From a7375a04fdd80fad105fc4394e2df1400f9547c2 Mon Sep 17 00:00:00 2001
From: Ralf Baechle <ralf@linux-mips.org>
Date: Wed, 16 Apr 2014 01:31:11 +0200
Subject: [PATCH] MIPS: math-emu: Get rid of typedefs.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/math-emu/cp1emu.c    |  66 ++++++-------
 arch/mips/math-emu/dp_add.c    |   2 +-
 arch/mips/math-emu/dp_cmp.c    |   2 +-
 arch/mips/math-emu/dp_div.c    |   2 +-
 arch/mips/math-emu/dp_fint.c   |   4 +-
 arch/mips/math-emu/dp_flong.c  |   4 +-
 arch/mips/math-emu/dp_frexp.c  |   2 +-
 arch/mips/math-emu/dp_fsp.c    |   2 +-
 arch/mips/math-emu/dp_logb.c   |   2 +-
 arch/mips/math-emu/dp_modf.c   |   2 +-
 arch/mips/math-emu/dp_mul.c    |   2 +-
 arch/mips/math-emu/dp_scalb.c  |   4 +-
 arch/mips/math-emu/dp_simple.c |  10 +-
 arch/mips/math-emu/dp_sqrt.c   |   4 +-
 arch/mips/math-emu/dp_sub.c    |   2 +-
 arch/mips/math-emu/dp_tint.c   |   6 +-
 arch/mips/math-emu/dp_tlong.c  |   6 +-
 arch/mips/math-emu/ieee754.h   | 166 ++++++++++++++++-----------------
 arch/mips/math-emu/ieee754d.c  |   4 +-
 arch/mips/math-emu/ieee754dp.c |  14 +--
 arch/mips/math-emu/ieee754dp.h |  18 ++--
 arch/mips/math-emu/ieee754m.c  |  12 +--
 arch/mips/math-emu/ieee754sp.c |  14 +--
 arch/mips/math-emu/ieee754sp.h |  18 ++--
 arch/mips/math-emu/sp_add.c    |   2 +-
 arch/mips/math-emu/sp_cmp.c    |   2 +-
 arch/mips/math-emu/sp_div.c    |   2 +-
 arch/mips/math-emu/sp_fdp.c    |   4 +-
 arch/mips/math-emu/sp_fint.c   |   4 +-
 arch/mips/math-emu/sp_flong.c  |   4 +-
 arch/mips/math-emu/sp_frexp.c  |   2 +-
 arch/mips/math-emu/sp_logb.c   |   2 +-
 arch/mips/math-emu/sp_modf.c   |   2 +-
 arch/mips/math-emu/sp_mul.c    |   2 +-
 arch/mips/math-emu/sp_scalb.c  |   4 +-
 arch/mips/math-emu/sp_simple.c |  10 +-
 arch/mips/math-emu/sp_sqrt.c   |   2 +-
 arch/mips/math-emu/sp_sub.c    |   2 +-
 arch/mips/math-emu/sp_tint.c   |   6 +-
 arch/mips/math-emu/sp_tlong.c  |   6 +-
 40 files changed, 212 insertions(+), 212 deletions(-)

diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c
index 7b3c9acae689..d670e3973bf1 100644
--- a/arch/mips/math-emu/cp1emu.c
+++ b/arch/mips/math-emu/cp1emu.c
@@ -1349,8 +1349,8 @@ static const unsigned char cmptab[8] = {
  */
 
 #define DEF3OP(name, p, f1, f2, f3) \
-static ieee754##p fpemu_##p##_##name(ieee754##p r, ieee754##p s, \
-    ieee754##p t) \
+static union ieee754##p fpemu_##p##_##name(union ieee754##p r, union ieee754##p s, \
+    union ieee754##p t) \
 { \
 	struct _ieee754_csr ieee754_csr_save; \
 	s = f1(s, t); \
@@ -1364,22 +1364,22 @@ static ieee754##p fpemu_##p##_##name(ieee754##p r, ieee754##p s, \
 	return s; \
 }
 
-static ieee754dp fpemu_dp_recip(ieee754dp d)
+static union ieee754dp fpemu_dp_recip(union ieee754dp d)
 {
 	return ieee754dp_div(ieee754dp_one(0), d);
 }
 
-static ieee754dp fpemu_dp_rsqrt(ieee754dp d)
+static union ieee754dp fpemu_dp_rsqrt(union ieee754dp d)
 {
 	return ieee754dp_div(ieee754dp_one(0), ieee754dp_sqrt(d));
 }
 
-static ieee754sp fpemu_sp_recip(ieee754sp s)
+static union ieee754sp fpemu_sp_recip(union ieee754sp s)
 {
 	return ieee754sp_div(ieee754sp_one(0), s);
 }
 
-static ieee754sp fpemu_sp_rsqrt(ieee754sp s)
+static union ieee754sp fpemu_sp_rsqrt(union ieee754sp s)
 {
 	return ieee754sp_div(ieee754sp_one(0), ieee754sp_sqrt(s));
 }
@@ -1403,8 +1403,8 @@ static int fpux_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
 	switch (MIPSInst_FMA_FFMT(ir)) {
 	case s_fmt:{		/* 0 */
 
-		ieee754sp(*handler) (ieee754sp, ieee754sp, ieee754sp);
-		ieee754sp fd, fr, fs, ft;
+		union ieee754sp(*handler) (union ieee754sp, union ieee754sp, union ieee754sp);
+		union ieee754sp fd, fr, fs, ft;
 		u32 __user *va;
 		u32 val;
 
@@ -1492,8 +1492,8 @@ static int fpux_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
 	}
 
 	case d_fmt:{		/* 1 */
-		ieee754dp(*handler) (ieee754dp, ieee754dp, ieee754dp);
-		ieee754dp fd, fr, fs, ft;
+		union ieee754dp(*handler) (union ieee754dp, union ieee754dp, union ieee754dp);
+		union ieee754dp fd, fr, fs, ft;
 		u64 __user *va;
 		u64 val;
 
@@ -1588,8 +1588,8 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
 	unsigned rcsr = 0;	/* resulting csr */
 	unsigned cond;
 	union {
-		ieee754dp d;
-		ieee754sp s;
+		union ieee754dp d;
+		union ieee754sp s;
 		int w;
 #ifdef __mips64
 		s64 l;
@@ -1600,8 +1600,8 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
 	switch (rfmt = (MIPSInst_FFMT(ir) & 0xf)) {
 	case s_fmt:{		/* 0 */
 		union {
-			ieee754sp(*b) (ieee754sp, ieee754sp);
-			ieee754sp(*u) (ieee754sp);
+			union ieee754sp(*b) (union ieee754sp, union ieee754sp);
+			union ieee754sp(*u) (union ieee754sp);
 		} handler;
 
 		switch (MIPSInst_FUNC(ir)) {
@@ -1666,7 +1666,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
 			/* binary op on handler */
 		      scopbop:
 			{
-				ieee754sp fs, ft;
+				union ieee754sp fs, ft;
 
 				SPFROMREG(fs, MIPSInst_FS(ir));
 				SPFROMREG(ft, MIPSInst_FT(ir));
@@ -1676,7 +1676,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
 			}
 		      scopuop:
 			{
-				ieee754sp fs;
+				union ieee754sp fs;
 
 				SPFROMREG(fs, MIPSInst_FS(ir));
 				rv.s = (*handler.u) (fs);
@@ -1699,7 +1699,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
 		case fcvts_op:
 			return SIGILL;	/* not defined */
 		case fcvtd_op:{
-			ieee754sp fs;
+			union ieee754sp fs;
 
 			SPFROMREG(fs, MIPSInst_FS(ir));
 			rv.d = ieee754dp_fsp(fs);
@@ -1707,7 +1707,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
 			goto copcsr;
 		}
 		case fcvtw_op:{
-			ieee754sp fs;
+			union ieee754sp fs;
 
 			SPFROMREG(fs, MIPSInst_FS(ir));
 			rv.w = ieee754sp_tint(fs);
@@ -1721,7 +1721,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
 		case fceil_op:
 		case ffloor_op:{
 			unsigned int oldrm = ieee754_csr.rm;
-			ieee754sp fs;
+			union ieee754sp fs;
 
 			SPFROMREG(fs, MIPSInst_FS(ir));
 			ieee754_csr.rm = ieee_rm[modeindex(MIPSInst_FUNC(ir))];
@@ -1734,7 +1734,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
 
 #if defined(__mips64)
 		case fcvtl_op:{
-			ieee754sp fs;
+			union ieee754sp fs;
 
 			SPFROMREG(fs, MIPSInst_FS(ir));
 			rv.l = ieee754sp_tlong(fs);
@@ -1747,7 +1747,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
 		case fceill_op:
 		case ffloorl_op:{
 			unsigned int oldrm = ieee754_csr.rm;
-			ieee754sp fs;
+			union ieee754sp fs;
 
 			SPFROMREG(fs, MIPSInst_FS(ir));
 			ieee754_csr.rm = ieee_rm[modeindex(MIPSInst_FUNC(ir))];
@@ -1761,7 +1761,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
 		default:
 			if (MIPSInst_FUNC(ir) >= fcmp_op) {
 				unsigned cmpop = MIPSInst_FUNC(ir) - fcmp_op;
-				ieee754sp fs, ft;
+				union ieee754sp fs, ft;
 
 				SPFROMREG(fs, MIPSInst_FS(ir));
 				SPFROMREG(ft, MIPSInst_FT(ir));
@@ -1785,8 +1785,8 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
 
 	case d_fmt:{
 		union {
-			ieee754dp(*b) (ieee754dp, ieee754dp);
-			ieee754dp(*u) (ieee754dp);
+			union ieee754dp(*b) (union ieee754dp, union ieee754dp);
+			union ieee754dp(*u) (union ieee754dp);
 		} handler;
 
 		switch (MIPSInst_FUNC(ir)) {
@@ -1852,7 +1852,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
 
 			/* binary op on handler */
 		      dcopbop:{
-				ieee754dp fs, ft;
+				union ieee754dp fs, ft;
 
 				DPFROMREG(fs, MIPSInst_FS(ir));
 				DPFROMREG(ft, MIPSInst_FT(ir));
@@ -1861,7 +1861,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
 				goto copcsr;
 			}
 		      dcopuop:{
-				ieee754dp fs;
+				union ieee754dp fs;
 
 				DPFROMREG(fs, MIPSInst_FS(ir));
 				rv.d = (*handler.u) (fs);
@@ -1870,7 +1870,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
 
 			/* unary conv ops */
 		case fcvts_op:{
-			ieee754dp fs;
+			union ieee754dp fs;
 
 			DPFROMREG(fs, MIPSInst_FS(ir));
 			rv.s = ieee754sp_fdp(fs);
@@ -1881,7 +1881,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
 			return SIGILL;	/* not defined */
 
 		case fcvtw_op:{
-			ieee754dp fs;
+			union ieee754dp fs;
 
 			DPFROMREG(fs, MIPSInst_FS(ir));
 			rv.w = ieee754dp_tint(fs);	/* wrong */
@@ -1895,7 +1895,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
 		case fceil_op:
 		case ffloor_op:{
 			unsigned int oldrm = ieee754_csr.rm;
-			ieee754dp fs;
+			union ieee754dp fs;
 
 			DPFROMREG(fs, MIPSInst_FS(ir));
 			ieee754_csr.rm = ieee_rm[modeindex(MIPSInst_FUNC(ir))];
@@ -1908,7 +1908,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
 
 #if defined(__mips64)
 		case fcvtl_op:{
-			ieee754dp fs;
+			union ieee754dp fs;
 
 			DPFROMREG(fs, MIPSInst_FS(ir));
 			rv.l = ieee754dp_tlong(fs);
@@ -1921,7 +1921,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
 		case fceill_op:
 		case ffloorl_op:{
 			unsigned int oldrm = ieee754_csr.rm;
-			ieee754dp fs;
+			union ieee754dp fs;
 
 			DPFROMREG(fs, MIPSInst_FS(ir));
 			ieee754_csr.rm = ieee_rm[modeindex(MIPSInst_FUNC(ir))];
@@ -1935,7 +1935,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
 		default:
 			if (MIPSInst_FUNC(ir) >= fcmp_op) {
 				unsigned cmpop = MIPSInst_FUNC(ir) - fcmp_op;
-				ieee754dp fs, ft;
+				union ieee754dp fs, ft;
 
 				DPFROMREG(fs, MIPSInst_FS(ir));
 				DPFROMREG(ft, MIPSInst_FT(ir));
@@ -1960,7 +1960,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
 	}
 
 	case w_fmt:{
-		ieee754sp fs;
+		union ieee754sp fs;
 
 		switch (MIPSInst_FUNC(ir)) {
 		case fcvts_op:
diff --git a/arch/mips/math-emu/dp_add.c b/arch/mips/math-emu/dp_add.c
index c57c8adc42c4..b5aac129e9f1 100644
--- a/arch/mips/math-emu/dp_add.c
+++ b/arch/mips/math-emu/dp_add.c
@@ -27,7 +27,7 @@
 
 #include "ieee754dp.h"
 
-ieee754dp ieee754dp_add(ieee754dp x, ieee754dp y)
+union ieee754dp ieee754dp_add(union ieee754dp x, union ieee754dp y)
 {
 	COMPXDP;
 	COMPYDP;
diff --git a/arch/mips/math-emu/dp_cmp.c b/arch/mips/math-emu/dp_cmp.c
index 0f32486b0ed9..a3b4984d2e83 100644
--- a/arch/mips/math-emu/dp_cmp.c
+++ b/arch/mips/math-emu/dp_cmp.c
@@ -26,7 +26,7 @@
 
 #include "ieee754dp.h"
 
-int ieee754dp_cmp(ieee754dp x, ieee754dp y, int cmp, int sig)
+int ieee754dp_cmp(union ieee754dp x, union ieee754dp y, int cmp, int sig)
 {
 	COMPXDP;
 	COMPYDP;
diff --git a/arch/mips/math-emu/dp_div.c b/arch/mips/math-emu/dp_div.c
index a1bce1b7c09c..30cc7fa3ce37 100644
--- a/arch/mips/math-emu/dp_div.c
+++ b/arch/mips/math-emu/dp_div.c
@@ -26,7 +26,7 @@
 
 #include "ieee754dp.h"
 
-ieee754dp ieee754dp_div(ieee754dp x, ieee754dp y)
+union ieee754dp ieee754dp_div(union ieee754dp x, union ieee754dp y)
 {
 	COMPXDP;
 	COMPYDP;
diff --git a/arch/mips/math-emu/dp_fint.c b/arch/mips/math-emu/dp_fint.c
index 88571288c9e0..60ed6ec7ddc7 100644
--- a/arch/mips/math-emu/dp_fint.c
+++ b/arch/mips/math-emu/dp_fint.c
@@ -26,7 +26,7 @@
 
 #include "ieee754dp.h"
 
-ieee754dp ieee754dp_fint(int x)
+union ieee754dp ieee754dp_fint(int x)
 {
 	u64 xm;
 	int xe;
@@ -70,7 +70,7 @@ ieee754dp ieee754dp_fint(int x)
 #endif
 }
 
-ieee754dp ieee754dp_funs(unsigned int u)
+union ieee754dp ieee754dp_funs(unsigned int u)
 {
 	if ((int) u < 0)
 		return ieee754dp_add(ieee754dp_1e31(),
diff --git a/arch/mips/math-emu/dp_flong.c b/arch/mips/math-emu/dp_flong.c
index 14fc01ec742d..2418f9d03055 100644
--- a/arch/mips/math-emu/dp_flong.c
+++ b/arch/mips/math-emu/dp_flong.c
@@ -26,7 +26,7 @@
 
 #include "ieee754dp.h"
 
-ieee754dp ieee754dp_flong(s64 x)
+union ieee754dp ieee754dp_flong(s64 x)
 {
 	u64 xm;
 	int xe;
@@ -68,7 +68,7 @@ ieee754dp ieee754dp_flong(s64 x)
 	DPNORMRET1(xs, xe, xm, "dp_flong", x);
 }
 
-ieee754dp ieee754dp_fulong(u64 u)
+union ieee754dp ieee754dp_fulong(u64 u)
 {
 	if ((s64) u < 0)
 		return ieee754dp_add(ieee754dp_1e63(),
diff --git a/arch/mips/math-emu/dp_frexp.c b/arch/mips/math-emu/dp_frexp.c
index cb15a5eaecbb..6ab7df958362 100644
--- a/arch/mips/math-emu/dp_frexp.c
+++ b/arch/mips/math-emu/dp_frexp.c
@@ -28,7 +28,7 @@
 
 /* close to ieeep754dp_logb
 */
-ieee754dp ieee754dp_frexp(ieee754dp x, int *eptr)
+union ieee754dp ieee754dp_frexp(union ieee754dp x, int *eptr)
 {
 	COMPXDP;
 	CLEARCX;
diff --git a/arch/mips/math-emu/dp_fsp.c b/arch/mips/math-emu/dp_fsp.c
index daed6834dc15..d69cb1ad3f60 100644
--- a/arch/mips/math-emu/dp_fsp.c
+++ b/arch/mips/math-emu/dp_fsp.c
@@ -26,7 +26,7 @@
 
 #include "ieee754dp.h"
 
-ieee754dp ieee754dp_fsp(ieee754sp x)
+union ieee754dp ieee754dp_fsp(union ieee754sp x)
 {
 	COMPXSP;
 
diff --git a/arch/mips/math-emu/dp_logb.c b/arch/mips/math-emu/dp_logb.c
index 151127e59f5c..80116e2f331f 100644
--- a/arch/mips/math-emu/dp_logb.c
+++ b/arch/mips/math-emu/dp_logb.c
@@ -26,7 +26,7 @@
 
 #include "ieee754dp.h"
 
-ieee754dp ieee754dp_logb(ieee754dp x)
+union ieee754dp ieee754dp_logb(union ieee754dp x)
 {
 	COMPXDP;
 
diff --git a/arch/mips/math-emu/dp_modf.c b/arch/mips/math-emu/dp_modf.c
index b01f9cf6d402..cbc1386cdfca 100644
--- a/arch/mips/math-emu/dp_modf.c
+++ b/arch/mips/math-emu/dp_modf.c
@@ -28,7 +28,7 @@
 
 /* modf function is always exact for a finite number
 */
-ieee754dp ieee754dp_modf(ieee754dp x, ieee754dp *ip)
+union ieee754dp ieee754dp_modf(union ieee754dp x, union ieee754dp *ip)
 {
 	COMPXDP;
 
diff --git a/arch/mips/math-emu/dp_mul.c b/arch/mips/math-emu/dp_mul.c
index 09175f461920..c4cad69c377e 100644
--- a/arch/mips/math-emu/dp_mul.c
+++ b/arch/mips/math-emu/dp_mul.c
@@ -26,7 +26,7 @@
 
 #include "ieee754dp.h"
 
-ieee754dp ieee754dp_mul(ieee754dp x, ieee754dp y)
+union ieee754dp ieee754dp_mul(union ieee754dp x, union ieee754dp y)
 {
 	COMPXDP;
 	COMPYDP;
diff --git a/arch/mips/math-emu/dp_scalb.c b/arch/mips/math-emu/dp_scalb.c
index 6f5df438dda8..4f8b65622942 100644
--- a/arch/mips/math-emu/dp_scalb.c
+++ b/arch/mips/math-emu/dp_scalb.c
@@ -26,7 +26,7 @@
 
 #include "ieee754dp.h"
 
-ieee754dp ieee754dp_scalb(ieee754dp x, int n)
+union ieee754dp ieee754dp_scalb(union ieee754dp x, int n)
 {
 	COMPXDP;
 
@@ -51,7 +51,7 @@ ieee754dp ieee754dp_scalb(ieee754dp x, int n)
 }
 
 
-ieee754dp ieee754dp_ldexp(ieee754dp x, int n)
+union ieee754dp ieee754dp_ldexp(union ieee754dp x, int n)
 {
 	return ieee754dp_scalb(x, n);
 }
diff --git a/arch/mips/math-emu/dp_simple.c b/arch/mips/math-emu/dp_simple.c
index 79ce2673a714..b341cc83eeb0 100644
--- a/arch/mips/math-emu/dp_simple.c
+++ b/arch/mips/math-emu/dp_simple.c
@@ -26,12 +26,12 @@
 
 #include "ieee754dp.h"
 
-int ieee754dp_finite(ieee754dp x)
+int ieee754dp_finite(union ieee754dp x)
 {
 	return DPBEXP(x) != DP_EMAX + 1 + DP_EBIAS;
 }
 
-ieee754dp ieee754dp_copysign(ieee754dp x, ieee754dp y)
+union ieee754dp ieee754dp_copysign(union ieee754dp x, union ieee754dp y)
 {
 	CLEARCX;
 	DPSIGN(x) = DPSIGN(y);
@@ -39,7 +39,7 @@ ieee754dp ieee754dp_copysign(ieee754dp x, ieee754dp y)
 }
 
 
-ieee754dp ieee754dp_neg(ieee754dp x)
+union ieee754dp ieee754dp_neg(union ieee754dp x)
 {
 	COMPXDP;
 
@@ -55,7 +55,7 @@ ieee754dp ieee754dp_neg(ieee754dp x)
 	DPSIGN(x) ^= 1;
 
 	if (xc == IEEE754_CLASS_SNAN) {
-		ieee754dp y = ieee754dp_indef();
+		union ieee754dp y = ieee754dp_indef();
 		SETCX(IEEE754_INVALID_OPERATION);
 		DPSIGN(y) = DPSIGN(x);
 		return ieee754dp_nanxcpt(y, "neg");
@@ -65,7 +65,7 @@ ieee754dp ieee754dp_neg(ieee754dp x)
 }
 
 
-ieee754dp ieee754dp_abs(ieee754dp x)
+union ieee754dp ieee754dp_abs(union ieee754dp x)
 {
 	COMPXDP;
 
diff --git a/arch/mips/math-emu/dp_sqrt.c b/arch/mips/math-emu/dp_sqrt.c
index b874d60a942b..cee9f3c2700d 100644
--- a/arch/mips/math-emu/dp_sqrt.c
+++ b/arch/mips/math-emu/dp_sqrt.c
@@ -34,10 +34,10 @@ static const unsigned table[] = {
 	1742, 661, 130
 };
 
-ieee754dp ieee754dp_sqrt(ieee754dp x)
+union ieee754dp ieee754dp_sqrt(union ieee754dp x)
 {
 	struct _ieee754_csr oldcsr;
-	ieee754dp y, z, t;
+	union ieee754dp y, z, t;
 	unsigned scalx, yh;
 	COMPXDP;
 
diff --git a/arch/mips/math-emu/dp_sub.c b/arch/mips/math-emu/dp_sub.c
index 91e0a4b5cbc7..1e8f19ae6cd5 100644
--- a/arch/mips/math-emu/dp_sub.c
+++ b/arch/mips/math-emu/dp_sub.c
@@ -26,7 +26,7 @@
 
 #include "ieee754dp.h"
 
-ieee754dp ieee754dp_sub(ieee754dp x, ieee754dp y)
+union ieee754dp ieee754dp_sub(union ieee754dp x, union ieee754dp y)
 {
 	COMPXDP;
 	COMPYDP;
diff --git a/arch/mips/math-emu/dp_tint.c b/arch/mips/math-emu/dp_tint.c
index 0ebe8598b94a..2a00805fdbeb 100644
--- a/arch/mips/math-emu/dp_tint.c
+++ b/arch/mips/math-emu/dp_tint.c
@@ -27,7 +27,7 @@
 #include <linux/kernel.h>
 #include "ieee754dp.h"
 
-int ieee754dp_tint(ieee754dp x)
+int ieee754dp_tint(union ieee754dp x)
 {
 	COMPXDP;
 
@@ -109,9 +109,9 @@ int ieee754dp_tint(ieee754dp x)
 }
 
 
-unsigned int ieee754dp_tuns(ieee754dp x)
+unsigned int ieee754dp_tuns(union ieee754dp x)
 {
-	ieee754dp hb = ieee754dp_1e31();
+	union ieee754dp hb = ieee754dp_1e31();
 
 	/* what if x < 0 ?? */
 	if (ieee754dp_lt(x, hb))
diff --git a/arch/mips/math-emu/dp_tlong.c b/arch/mips/math-emu/dp_tlong.c
index 133ce2ba0012..3366399eebe8 100644
--- a/arch/mips/math-emu/dp_tlong.c
+++ b/arch/mips/math-emu/dp_tlong.c
@@ -26,7 +26,7 @@
 
 #include "ieee754dp.h"
 
-s64 ieee754dp_tlong(ieee754dp x)
+s64 ieee754dp_tlong(union ieee754dp x)
 {
 	COMPXDP;
 
@@ -112,9 +112,9 @@ s64 ieee754dp_tlong(ieee754dp x)
 }
 
 
-u64 ieee754dp_tulong(ieee754dp x)
+u64 ieee754dp_tulong(union ieee754dp x)
 {
-	ieee754dp hb = ieee754dp_1e63();
+	union ieee754dp hb = ieee754dp_1e63();
 
 	/* what if x < 0 ?? */
 	if (ieee754dp_lt(x, hb))
diff --git a/arch/mips/math-emu/ieee754.h b/arch/mips/math-emu/ieee754.h
index 9e8c26e850fe..05705fa785c3 100644
--- a/arch/mips/math-emu/ieee754.h
+++ b/arch/mips/math-emu/ieee754.h
@@ -46,7 +46,7 @@ struct ieee754dp_const {
 	;))))
 };
 
-typedef union _ieee754dp {
+union ieee754dp {
 	struct ieee754dp_const oparts;
 	struct {
 		__BITFIELD_FIELD(unsigned int sign:1,
@@ -56,7 +56,7 @@ typedef union _ieee754dp {
 	} parts;
 	double d;
 	u64 bits;
-} ieee754dp;
+};
 
 struct ieee754sp_const {
 	__BITFIELD_FIELD(unsigned sign:1,
@@ -65,106 +65,106 @@ struct ieee754sp_const {
 	;)))
 };
 
-typedef union _ieee754sp {
+union ieee754sp {
 	struct ieee754sp_const parts;
 	float f;
 	u32 bits;
-} ieee754sp;
+};
 
 /*
  * single precision (often aka float)
 */
-int ieee754sp_finite(ieee754sp x);
-int ieee754sp_class(ieee754sp x);
+int ieee754sp_finite(union ieee754sp x);
+int ieee754sp_class(union ieee754sp x);
 
-ieee754sp ieee754sp_abs(ieee754sp x);
-ieee754sp ieee754sp_neg(ieee754sp x);
-ieee754sp ieee754sp_scalb(ieee754sp x, int);
-ieee754sp ieee754sp_logb(ieee754sp x);
+union ieee754sp ieee754sp_abs(union ieee754sp x);
+union ieee754sp ieee754sp_neg(union ieee754sp x);
+union ieee754sp ieee754sp_scalb(union ieee754sp x, int);
+union ieee754sp ieee754sp_logb(union ieee754sp x);
 
 /* x with sign of y */
-ieee754sp ieee754sp_copysign(ieee754sp x, ieee754sp y);
+union ieee754sp ieee754sp_copysign(union ieee754sp x, union ieee754sp y);
 
-ieee754sp ieee754sp_add(ieee754sp x, ieee754sp y);
-ieee754sp ieee754sp_sub(ieee754sp x, ieee754sp y);
-ieee754sp ieee754sp_mul(ieee754sp x, ieee754sp y);
-ieee754sp ieee754sp_div(ieee754sp x, ieee754sp y);
+union ieee754sp ieee754sp_add(union ieee754sp x, union ieee754sp y);
+union ieee754sp ieee754sp_sub(union ieee754sp x, union ieee754sp y);
+union ieee754sp ieee754sp_mul(union ieee754sp x, union ieee754sp y);
+union ieee754sp ieee754sp_div(union ieee754sp x, union ieee754sp y);
 
-ieee754sp ieee754sp_fint(int x);
-ieee754sp ieee754sp_funs(unsigned x);
-ieee754sp ieee754sp_flong(s64 x);
-ieee754sp ieee754sp_fulong(u64 x);
-ieee754sp ieee754sp_fdp(ieee754dp x);
+union ieee754sp ieee754sp_fint(int x);
+union ieee754sp ieee754sp_funs(unsigned x);
+union ieee754sp ieee754sp_flong(s64 x);
+union ieee754sp ieee754sp_fulong(u64 x);
+union ieee754sp ieee754sp_fdp(union ieee754dp x);
 
-int ieee754sp_tint(ieee754sp x);
-unsigned int ieee754sp_tuns(ieee754sp x);
-s64 ieee754sp_tlong(ieee754sp x);
-u64 ieee754sp_tulong(ieee754sp x);
+int ieee754sp_tint(union ieee754sp x);
+unsigned int ieee754sp_tuns(union ieee754sp x);
+s64 ieee754sp_tlong(union ieee754sp x);
+u64 ieee754sp_tulong(union ieee754sp x);
 
-int ieee754sp_cmp(ieee754sp x, ieee754sp y, int cop, int sig);
+int ieee754sp_cmp(union ieee754sp x, union ieee754sp y, int cop, int sig);
 /*
  * basic sp math
  */
-ieee754sp ieee754sp_modf(ieee754sp x, ieee754sp * ip);
-ieee754sp ieee754sp_frexp(ieee754sp x, int *exp);
-ieee754sp ieee754sp_ldexp(ieee754sp x, int exp);
+union ieee754sp ieee754sp_modf(union ieee754sp x, union ieee754sp * ip);
+union ieee754sp ieee754sp_frexp(union ieee754sp x, int *exp);
+union ieee754sp ieee754sp_ldexp(union ieee754sp x, int exp);
 
-ieee754sp ieee754sp_ceil(ieee754sp x);
-ieee754sp ieee754sp_floor(ieee754sp x);
-ieee754sp ieee754sp_trunc(ieee754sp x);
+union ieee754sp ieee754sp_ceil(union ieee754sp x);
+union ieee754sp ieee754sp_floor(union ieee754sp x);
+union ieee754sp ieee754sp_trunc(union ieee754sp x);
 
-ieee754sp ieee754sp_sqrt(ieee754sp x);
+union ieee754sp ieee754sp_sqrt(union ieee754sp x);
 
 /*
  * double precision (often aka double)
 */
-int ieee754dp_finite(ieee754dp x);
-int ieee754dp_class(ieee754dp x);
+int ieee754dp_finite(union ieee754dp x);
+int ieee754dp_class(union ieee754dp x);
 
 /* x with sign of y */
-ieee754dp ieee754dp_copysign(ieee754dp x, ieee754dp y);
+union ieee754dp ieee754dp_copysign(union ieee754dp x, union ieee754dp y);
 
-ieee754dp ieee754dp_add(ieee754dp x, ieee754dp y);
-ieee754dp ieee754dp_sub(ieee754dp x, ieee754dp y);
-ieee754dp ieee754dp_mul(ieee754dp x, ieee754dp y);
-ieee754dp ieee754dp_div(ieee754dp x, ieee754dp y);
+union ieee754dp ieee754dp_add(union ieee754dp x, union ieee754dp y);
+union ieee754dp ieee754dp_sub(union ieee754dp x, union ieee754dp y);
+union ieee754dp ieee754dp_mul(union ieee754dp x, union ieee754dp y);
+union ieee754dp ieee754dp_div(union ieee754dp x, union ieee754dp y);
 
-ieee754dp ieee754dp_abs(ieee754dp x);
-ieee754dp ieee754dp_neg(ieee754dp x);
-ieee754dp ieee754dp_scalb(ieee754dp x, int);
+union ieee754dp ieee754dp_abs(union ieee754dp x);
+union ieee754dp ieee754dp_neg(union ieee754dp x);
+union ieee754dp ieee754dp_scalb(union ieee754dp x, int);
 
 /* return exponent as integer in floating point format
  */
-ieee754dp ieee754dp_logb(ieee754dp x);
+union ieee754dp ieee754dp_logb(union ieee754dp x);
 
-ieee754dp ieee754dp_fint(int x);
-ieee754dp ieee754dp_funs(unsigned x);
-ieee754dp ieee754dp_flong(s64 x);
-ieee754dp ieee754dp_fulong(u64 x);
-ieee754dp ieee754dp_fsp(ieee754sp x);
+union ieee754dp ieee754dp_fint(int x);
+union ieee754dp ieee754dp_funs(unsigned x);
+union ieee754dp ieee754dp_flong(s64 x);
+union ieee754dp ieee754dp_fulong(u64 x);
+union ieee754dp ieee754dp_fsp(union ieee754sp x);
 
-ieee754dp ieee754dp_ceil(ieee754dp x);
-ieee754dp ieee754dp_floor(ieee754dp x);
-ieee754dp ieee754dp_trunc(ieee754dp x);
+union ieee754dp ieee754dp_ceil(union ieee754dp x);
+union ieee754dp ieee754dp_floor(union ieee754dp x);
+union ieee754dp ieee754dp_trunc(union ieee754dp x);
 
-int ieee754dp_tint(ieee754dp x);
-unsigned int ieee754dp_tuns(ieee754dp x);
-s64 ieee754dp_tlong(ieee754dp x);
-u64 ieee754dp_tulong(ieee754dp x);
+int ieee754dp_tint(union ieee754dp x);
+unsigned int ieee754dp_tuns(union ieee754dp x);
+s64 ieee754dp_tlong(union ieee754dp x);
+u64 ieee754dp_tulong(union ieee754dp x);
 
-int ieee754dp_cmp(ieee754dp x, ieee754dp y, int cop, int sig);
+int ieee754dp_cmp(union ieee754dp x, union ieee754dp y, int cop, int sig);
 /*
  * basic sp math
  */
-ieee754dp ieee754dp_modf(ieee754dp x, ieee754dp * ip);
-ieee754dp ieee754dp_frexp(ieee754dp x, int *exp);
-ieee754dp ieee754dp_ldexp(ieee754dp x, int exp);
+union ieee754dp ieee754dp_modf(union ieee754dp x, union ieee754dp * ip);
+union ieee754dp ieee754dp_frexp(union ieee754dp x, int *exp);
+union ieee754dp ieee754dp_ldexp(union ieee754dp x, int exp);
 
-ieee754dp ieee754dp_ceil(ieee754dp x);
-ieee754dp ieee754dp_floor(ieee754dp x);
-ieee754dp ieee754dp_trunc(ieee754dp x);
+union ieee754dp ieee754dp_ceil(union ieee754dp x);
+union ieee754dp ieee754dp_floor(union ieee754dp x);
+union ieee754dp ieee754dp_trunc(union ieee754dp x);
 
-ieee754dp ieee754dp_sqrt(ieee754dp x);
+union ieee754dp ieee754dp_sqrt(union ieee754dp x);
 
 
 
@@ -204,65 +204,65 @@ ieee754dp ieee754dp_sqrt(ieee754dp x);
 
 /* "normal" comparisons
 */
-static inline int ieee754sp_eq(ieee754sp x, ieee754sp y)
+static inline int ieee754sp_eq(union ieee754sp x, union ieee754sp y)
 {
 	return ieee754sp_cmp(x, y, IEEE754_CEQ, 0);
 }
 
-static inline int ieee754sp_ne(ieee754sp x, ieee754sp y)
+static inline int ieee754sp_ne(union ieee754sp x, union ieee754sp y)
 {
 	return ieee754sp_cmp(x, y,
 			     IEEE754_CLT | IEEE754_CGT | IEEE754_CUN, 0);
 }
 
-static inline int ieee754sp_lt(ieee754sp x, ieee754sp y)
+static inline int ieee754sp_lt(union ieee754sp x, union ieee754sp y)
 {
 	return ieee754sp_cmp(x, y, IEEE754_CLT, 0);
 }
 
-static inline int ieee754sp_le(ieee754sp x, ieee754sp y)
+static inline int ieee754sp_le(union ieee754sp x, union ieee754sp y)
 {
 	return ieee754sp_cmp(x, y, IEEE754_CLT | IEEE754_CEQ, 0);
 }
 
-static inline int ieee754sp_gt(ieee754sp x, ieee754sp y)
+static inline int ieee754sp_gt(union ieee754sp x, union ieee754sp y)
 {
 	return ieee754sp_cmp(x, y, IEEE754_CGT, 0);
 }
 
 
-static inline int ieee754sp_ge(ieee754sp x, ieee754sp y)
+static inline int ieee754sp_ge(union ieee754sp x, union ieee754sp y)
 {
 	return ieee754sp_cmp(x, y, IEEE754_CGT | IEEE754_CEQ, 0);
 }
 
-static inline int ieee754dp_eq(ieee754dp x, ieee754dp y)
+static inline int ieee754dp_eq(union ieee754dp x, union ieee754dp y)
 {
 	return ieee754dp_cmp(x, y, IEEE754_CEQ, 0);
 }
 
-static inline int ieee754dp_ne(ieee754dp x, ieee754dp y)
+static inline int ieee754dp_ne(union ieee754dp x, union ieee754dp y)
 {
 	return ieee754dp_cmp(x, y,
 			     IEEE754_CLT | IEEE754_CGT | IEEE754_CUN, 0);
 }
 
-static inline int ieee754dp_lt(ieee754dp x, ieee754dp y)
+static inline int ieee754dp_lt(union ieee754dp x, union ieee754dp y)
 {
 	return ieee754dp_cmp(x, y, IEEE754_CLT, 0);
 }
 
-static inline int ieee754dp_le(ieee754dp x, ieee754dp y)
+static inline int ieee754dp_le(union ieee754dp x, union ieee754dp y)
 {
 	return ieee754dp_cmp(x, y, IEEE754_CLT | IEEE754_CEQ, 0);
 }
 
-static inline int ieee754dp_gt(ieee754dp x, ieee754dp y)
+static inline int ieee754dp_gt(union ieee754dp x, union ieee754dp y)
 {
 	return ieee754dp_cmp(x, y, IEEE754_CGT, 0);
 }
 
-static inline int ieee754dp_ge(ieee754dp x, ieee754dp y)
+static inline int ieee754dp_ge(union ieee754dp x, union ieee754dp y)
 {
 	return ieee754dp_cmp(x, y, IEEE754_CGT | IEEE754_CEQ, 0);
 }
@@ -271,8 +271,8 @@ static inline int ieee754dp_ge(ieee754dp x, ieee754dp y)
 /*
  * Like strtod
  */
-ieee754dp ieee754dp_fstr(const char *s, char **endp);
-char *ieee754dp_tstr(ieee754dp x, int prec, int fmt, int af);
+union ieee754dp ieee754dp_fstr(const char *s, char **endp);
+char *ieee754dp_tstr(union ieee754dp x, int prec, int fmt, int af);
 
 
 /*
@@ -338,8 +338,8 @@ static inline int ieee754_sxtest(unsigned n)
 }
 
 /* debugging */
-ieee754sp ieee754sp_dump(char *s, ieee754sp x);
-ieee754dp ieee754dp_dump(char *s, ieee754dp x);
+union ieee754sp ieee754sp_dump(char *s, union ieee754sp x);
+union ieee754dp ieee754dp_dump(char *s, union ieee754dp x);
 
 #define IEEE754_SPCVAL_PZERO	0
 #define IEEE754_SPCVAL_NZERO	1
@@ -361,8 +361,8 @@ ieee754dp ieee754dp_dump(char *s, ieee754dp x);
 
 extern const struct ieee754dp_const __ieee754dp_spcvals[];
 extern const struct ieee754sp_const __ieee754sp_spcvals[];
-#define ieee754dp_spcvals ((const ieee754dp *)__ieee754dp_spcvals)
-#define ieee754sp_spcvals ((const ieee754sp *)__ieee754sp_spcvals)
+#define ieee754dp_spcvals ((const union ieee754dp *)__ieee754dp_spcvals)
+#define ieee754sp_spcvals ((const union ieee754sp *)__ieee754sp_spcvals)
 
 /*
  * Return infinity with given sign
@@ -404,8 +404,8 @@ struct ieee754xctx {
 	const char *op;		/* operation name */
 	int rt;			/* result type */
 	union {
-		ieee754sp sp;	/* single precision */
-		ieee754dp dp;	/* double precision */
+		union ieee754sp sp;	/* single precision */
+		union ieee754dp dp;	/* double precision */
 #ifdef IEEE854_XP
 		ieee754xp xp;	/* extended precision */
 #endif
diff --git a/arch/mips/math-emu/ieee754d.c b/arch/mips/math-emu/ieee754d.c
index 9599bdd32585..627932839d57 100644
--- a/arch/mips/math-emu/ieee754d.c
+++ b/arch/mips/math-emu/ieee754d.c
@@ -56,7 +56,7 @@
 #define DPBEXP(dp)	(dp.parts.bexp)
 #define DPMANT(dp)	(dp.parts.mant)
 
-ieee754dp ieee754dp_dump(char *m, ieee754dp x)
+union ieee754dp ieee754dp_dump(char *m, union ieee754dp x)
 {
 	int i;
 
@@ -96,7 +96,7 @@ ieee754dp ieee754dp_dump(char *m, ieee754dp x)
 	return x;
 }
 
-ieee754sp ieee754sp_dump(char *m, ieee754sp x)
+union ieee754sp ieee754sp_dump(char *m, union ieee754sp x)
 {
 	int i;
 
diff --git a/arch/mips/math-emu/ieee754dp.c b/arch/mips/math-emu/ieee754dp.c
index df59d16bd4fd..3692362b8072 100644
--- a/arch/mips/math-emu/ieee754dp.c
+++ b/arch/mips/math-emu/ieee754dp.c
@@ -27,26 +27,26 @@
 
 #include "ieee754dp.h"
 
-int ieee754dp_class(ieee754dp x)
+int ieee754dp_class(union ieee754dp x)
 {
 	COMPXDP;
 	EXPLODEXDP;
 	return xc;
 }
 
-int ieee754dp_isnan(ieee754dp x)
+int ieee754dp_isnan(union ieee754dp x)
 {
 	return ieee754dp_class(x) >= IEEE754_CLASS_SNAN;
 }
 
-int ieee754dp_issnan(ieee754dp x)
+int ieee754dp_issnan(union ieee754dp x)
 {
 	assert(ieee754dp_isnan(x));
 	return ((DPMANT(x) & DP_MBIT(DP_MBITS-1)) == DP_MBIT(DP_MBITS-1));
 }
 
 
-ieee754dp __cold ieee754dp_xcpt(ieee754dp r, const char *op, ...)
+union ieee754dp __cold ieee754dp_xcpt(union ieee754dp r, const char *op, ...)
 {
 	struct ieee754xctx ax;
 	if (!TSTX())
@@ -61,7 +61,7 @@ ieee754dp __cold ieee754dp_xcpt(ieee754dp r, const char *op, ...)
 	return ax.rv.dp;
 }
 
-ieee754dp __cold ieee754dp_nanxcpt(ieee754dp r, const char *op, ...)
+union ieee754dp __cold ieee754dp_nanxcpt(union ieee754dp r, const char *op, ...)
 {
 	struct ieee754xctx ax;
 
@@ -88,7 +88,7 @@ ieee754dp __cold ieee754dp_nanxcpt(ieee754dp r, const char *op, ...)
 	return ax.rv.dp;
 }
 
-ieee754dp ieee754dp_bestnan(ieee754dp x, ieee754dp y)
+union ieee754dp ieee754dp_bestnan(union ieee754dp x, union ieee754dp y)
 {
 	assert(ieee754dp_isnan(x));
 	assert(ieee754dp_isnan(y));
@@ -131,7 +131,7 @@ static u64 get_rounding(int sn, u64 xm)
  * xe is an unbiased exponent
  * xm is 3bit extended precision value.
  */
-ieee754dp ieee754dp_format(int sn, int xe, u64 xm)
+union ieee754dp ieee754dp_format(int sn, int xe, u64 xm)
 {
 	assert(xm);		/* we don't gen exact zeros (probably should) */
 
diff --git a/arch/mips/math-emu/ieee754dp.h b/arch/mips/math-emu/ieee754dp.h
index ce2af5b04b48..ad2568fa0b05 100644
--- a/arch/mips/math-emu/ieee754dp.h
+++ b/arch/mips/math-emu/ieee754dp.h
@@ -46,9 +46,9 @@
 #define DPDNORMX	DPDNORMx(xm, xe)
 #define DPDNORMY	DPDNORMx(ym, ye)
 
-static inline ieee754dp builddp(int s, int bx, u64 m)
+static inline union ieee754dp builddp(int s, int bx, u64 m)
 {
-	ieee754dp r;
+	union ieee754dp r;
 
 	assert((s) == 0 || (s) == 1);
 	assert((bx) >= DP_EMIN - 1 + DP_EBIAS
@@ -61,19 +61,19 @@ static inline ieee754dp builddp(int s, int bx, u64 m)
 	return r;
 }
 
-extern int ieee754dp_isnan(ieee754dp);
-extern int ieee754dp_issnan(ieee754dp);
+extern int ieee754dp_isnan(union ieee754dp);
+extern int ieee754dp_issnan(union ieee754dp);
 extern int __cold ieee754si_xcpt(int, const char *, ...);
 extern s64 __cold ieee754di_xcpt(s64, const char *, ...);
-extern ieee754dp __cold ieee754dp_xcpt(ieee754dp, const char *, ...);
-extern ieee754dp __cold ieee754dp_nanxcpt(ieee754dp, const char *, ...);
-extern ieee754dp ieee754dp_bestnan(ieee754dp, ieee754dp);
-extern ieee754dp ieee754dp_format(int, int, u64);
+extern union ieee754dp __cold ieee754dp_xcpt(union ieee754dp, const char *, ...);
+extern union ieee754dp __cold ieee754dp_nanxcpt(union ieee754dp, const char *, ...);
+extern union ieee754dp ieee754dp_bestnan(union ieee754dp, union ieee754dp);
+extern union ieee754dp ieee754dp_format(int, int, u64);
 
 
 #define DPNORMRET2(s, e, m, name, a0, a1) \
 { \
-    ieee754dp V = ieee754dp_format(s, e, m); \
+    union ieee754dp V = ieee754dp_format(s, e, m); \
     if(TSTX()) \
       return ieee754dp_xcpt(V, name, a0, a1); \
     else \
diff --git a/arch/mips/math-emu/ieee754m.c b/arch/mips/math-emu/ieee754m.c
index 24190f3c9dd6..06224064333b 100644
--- a/arch/mips/math-emu/ieee754m.c
+++ b/arch/mips/math-emu/ieee754m.c
@@ -26,9 +26,9 @@
 
 #include "ieee754.h"
 
-ieee754dp ieee754dp_floor(ieee754dp x)
+union ieee754dp ieee754dp_floor(union ieee754dp x)
 {
-	ieee754dp i;
+	union ieee754dp i;
 
 	if (ieee754dp_lt(ieee754dp_modf(x, &i), ieee754dp_zero(0)))
 		return ieee754dp_sub(i, ieee754dp_one(0));
@@ -36,9 +36,9 @@ ieee754dp ieee754dp_floor(ieee754dp x)
 		return i;
 }
 
-ieee754dp ieee754dp_ceil(ieee754dp x)
+union ieee754dp ieee754dp_ceil(union ieee754dp x)
 {
-	ieee754dp i;
+	union ieee754dp i;
 
 	if (ieee754dp_gt(ieee754dp_modf(x, &i), ieee754dp_zero(0)))
 		return ieee754dp_add(i, ieee754dp_one(0));
@@ -46,9 +46,9 @@ ieee754dp ieee754dp_ceil(ieee754dp x)
 		return i;
 }
 
-ieee754dp ieee754dp_trunc(ieee754dp x)
+union ieee754dp ieee754dp_trunc(union ieee754dp x)
 {
-	ieee754dp i;
+	union ieee754dp i;
 
 	(void) ieee754dp_modf(x, &i);
 	return i;
diff --git a/arch/mips/math-emu/ieee754sp.c b/arch/mips/math-emu/ieee754sp.c
index dd3ecd62e469..ac84d19e7c87 100644
--- a/arch/mips/math-emu/ieee754sp.c
+++ b/arch/mips/math-emu/ieee754sp.c
@@ -27,26 +27,26 @@
 
 #include "ieee754sp.h"
 
-int ieee754sp_class(ieee754sp x)
+int ieee754sp_class(union ieee754sp x)
 {
 	COMPXSP;
 	EXPLODEXSP;
 	return xc;
 }
 
-int ieee754sp_isnan(ieee754sp x)
+int ieee754sp_isnan(union ieee754sp x)
 {
 	return ieee754sp_class(x) >= IEEE754_CLASS_SNAN;
 }
 
-int ieee754sp_issnan(ieee754sp x)
+int ieee754sp_issnan(union ieee754sp x)
 {
 	assert(ieee754sp_isnan(x));
 	return (SPMANT(x) & SP_MBIT(SP_MBITS-1));
 }
 
 
-ieee754sp __cold ieee754sp_xcpt(ieee754sp r, const char *op, ...)
+union ieee754sp __cold ieee754sp_xcpt(union ieee754sp r, const char *op, ...)
 {
 	struct ieee754xctx ax;
 
@@ -62,7 +62,7 @@ ieee754sp __cold ieee754sp_xcpt(ieee754sp r, const char *op, ...)
 	return ax.rv.sp;
 }
 
-ieee754sp __cold ieee754sp_nanxcpt(ieee754sp r, const char *op, ...)
+union ieee754sp __cold ieee754sp_nanxcpt(union ieee754sp r, const char *op, ...)
 {
 	struct ieee754xctx ax;
 
@@ -89,7 +89,7 @@ ieee754sp __cold ieee754sp_nanxcpt(ieee754sp r, const char *op, ...)
 	return ax.rv.sp;
 }
 
-ieee754sp ieee754sp_bestnan(ieee754sp x, ieee754sp y)
+union ieee754sp ieee754sp_bestnan(union ieee754sp x, union ieee754sp y)
 {
 	assert(ieee754sp_isnan(x));
 	assert(ieee754sp_isnan(y));
@@ -132,7 +132,7 @@ static unsigned get_rounding(int sn, unsigned xm)
  * xe is an unbiased exponent
  * xm is 3bit extended precision value.
  */
-ieee754sp ieee754sp_format(int sn, int xe, unsigned xm)
+union ieee754sp ieee754sp_format(int sn, int xe, unsigned xm)
 {
 	assert(xm);		/* we don't gen exact zeros (probably should) */
 
diff --git a/arch/mips/math-emu/ieee754sp.h b/arch/mips/math-emu/ieee754sp.h
index e3933bed0be4..5836fa1e69d8 100644
--- a/arch/mips/math-emu/ieee754sp.h
+++ b/arch/mips/math-emu/ieee754sp.h
@@ -51,9 +51,9 @@
 #define SPDNORMX	SPDNORMx(xm, xe)
 #define SPDNORMY	SPDNORMx(ym, ye)
 
-static inline ieee754sp buildsp(int s, int bx, unsigned m)
+static inline union ieee754sp buildsp(int s, int bx, unsigned m)
 {
-	ieee754sp r;
+	union ieee754sp r;
 
 	assert((s) == 0 || (s) == 1);
 	assert((bx) >= SP_EMIN - 1 + SP_EBIAS
@@ -67,19 +67,19 @@ static inline ieee754sp buildsp(int s, int bx, unsigned m)
 	return r;
 }
 
-extern int ieee754sp_isnan(ieee754sp);
-extern int ieee754sp_issnan(ieee754sp);
+extern int ieee754sp_isnan(union ieee754sp);
+extern int ieee754sp_issnan(union ieee754sp);
 extern int __cold ieee754si_xcpt(int, const char *, ...);
 extern s64 __cold ieee754di_xcpt(s64, const char *, ...);
-extern ieee754sp __cold ieee754sp_xcpt(ieee754sp, const char *, ...);
-extern ieee754sp __cold ieee754sp_nanxcpt(ieee754sp, const char *, ...);
-extern ieee754sp ieee754sp_bestnan(ieee754sp, ieee754sp);
-extern ieee754sp ieee754sp_format(int, int, unsigned);
+extern union ieee754sp __cold ieee754sp_xcpt(union ieee754sp, const char *, ...);
+extern union ieee754sp __cold ieee754sp_nanxcpt(union ieee754sp, const char *, ...);
+extern union ieee754sp ieee754sp_bestnan(union ieee754sp, union ieee754sp);
+extern union ieee754sp ieee754sp_format(int, int, unsigned);
 
 
 #define SPNORMRET2(s, e, m, name, a0, a1) \
 { \
-    ieee754sp V = ieee754sp_format(s, e, m); \
+    union ieee754sp V = ieee754sp_format(s, e, m); \
     if(TSTX()) \
       return ieee754sp_xcpt(V, name, a0, a1); \
     else \
diff --git a/arch/mips/math-emu/sp_add.c b/arch/mips/math-emu/sp_add.c
index c446e64637e2..4938d8f1d4bc 100644
--- a/arch/mips/math-emu/sp_add.c
+++ b/arch/mips/math-emu/sp_add.c
@@ -26,7 +26,7 @@
 
 #include "ieee754sp.h"
 
-ieee754sp ieee754sp_add(ieee754sp x, ieee754sp y)
+union ieee754sp ieee754sp_add(union ieee754sp x, union ieee754sp y)
 {
 	COMPXSP;
 	COMPYSP;
diff --git a/arch/mips/math-emu/sp_cmp.c b/arch/mips/math-emu/sp_cmp.c
index 716cf37e2465..b98d68617cfe 100644
--- a/arch/mips/math-emu/sp_cmp.c
+++ b/arch/mips/math-emu/sp_cmp.c
@@ -26,7 +26,7 @@
 
 #include "ieee754sp.h"
 
-int ieee754sp_cmp(ieee754sp x, ieee754sp y, int cmp, int sig)
+int ieee754sp_cmp(union ieee754sp x, union ieee754sp y, int cmp, int sig)
 {
 	COMPXSP;
 	COMPYSP;
diff --git a/arch/mips/math-emu/sp_div.c b/arch/mips/math-emu/sp_div.c
index d7747928c954..1f62865ffcbd 100644
--- a/arch/mips/math-emu/sp_div.c
+++ b/arch/mips/math-emu/sp_div.c
@@ -26,7 +26,7 @@
 
 #include "ieee754sp.h"
 
-ieee754sp ieee754sp_div(ieee754sp x, ieee754sp y)
+union ieee754sp ieee754sp_div(union ieee754sp x, union ieee754sp y)
 {
 	COMPXSP;
 	COMPYSP;
diff --git a/arch/mips/math-emu/sp_fdp.c b/arch/mips/math-emu/sp_fdp.c
index e1515aae0166..cbefb88a14ef 100644
--- a/arch/mips/math-emu/sp_fdp.c
+++ b/arch/mips/math-emu/sp_fdp.c
@@ -26,10 +26,10 @@
 
 #include "ieee754sp.h"
 
-ieee754sp ieee754sp_fdp(ieee754dp x)
+union ieee754sp ieee754sp_fdp(union ieee754dp x)
 {
 	COMPXDP;
-	ieee754sp nan;
+	union ieee754sp nan;
 
 	EXPLODEXDP;
 
diff --git a/arch/mips/math-emu/sp_fint.c b/arch/mips/math-emu/sp_fint.c
index 9694d6c016cb..7ba2b40348c4 100644
--- a/arch/mips/math-emu/sp_fint.c
+++ b/arch/mips/math-emu/sp_fint.c
@@ -26,7 +26,7 @@
 
 #include "ieee754sp.h"
 
-ieee754sp ieee754sp_fint(int x)
+union ieee754sp ieee754sp_fint(int x)
 {
 	unsigned xm;
 	int xe;
@@ -70,7 +70,7 @@ ieee754sp ieee754sp_fint(int x)
 }
 
 
-ieee754sp ieee754sp_funs(unsigned int u)
+union ieee754sp ieee754sp_funs(unsigned int u)
 {
 	if ((int) u < 0)
 		return ieee754sp_add(ieee754sp_1e31(),
diff --git a/arch/mips/math-emu/sp_flong.c b/arch/mips/math-emu/sp_flong.c
index 16a651f29865..c457a9f8a148 100644
--- a/arch/mips/math-emu/sp_flong.c
+++ b/arch/mips/math-emu/sp_flong.c
@@ -26,7 +26,7 @@
 
 #include "ieee754sp.h"
 
-ieee754sp ieee754sp_flong(s64 x)
+union ieee754sp ieee754sp_flong(s64 x)
 {
 	u64 xm;		/* <--- need 64-bit mantissa temp */
 	int xe;
@@ -69,7 +69,7 @@ ieee754sp ieee754sp_flong(s64 x)
 }
 
 
-ieee754sp ieee754sp_fulong(u64 u)
+union ieee754sp ieee754sp_fulong(u64 u)
 {
 	if ((s64) u < 0)
 		return ieee754sp_add(ieee754sp_1e63(),
diff --git a/arch/mips/math-emu/sp_frexp.c b/arch/mips/math-emu/sp_frexp.c
index 5bc993c30044..668252bca513 100644
--- a/arch/mips/math-emu/sp_frexp.c
+++ b/arch/mips/math-emu/sp_frexp.c
@@ -28,7 +28,7 @@
 
 /* close to ieeep754sp_logb
 */
-ieee754sp ieee754sp_frexp(ieee754sp x, int *eptr)
+union ieee754sp ieee754sp_frexp(union ieee754sp x, int *eptr)
 {
 	COMPXSP;
 	CLEARCX;
diff --git a/arch/mips/math-emu/sp_logb.c b/arch/mips/math-emu/sp_logb.c
index 9c14e0c75bd2..4dfe5386e89d 100644
--- a/arch/mips/math-emu/sp_logb.c
+++ b/arch/mips/math-emu/sp_logb.c
@@ -26,7 +26,7 @@
 
 #include "ieee754sp.h"
 
-ieee754sp ieee754sp_logb(ieee754sp x)
+union ieee754sp ieee754sp_logb(union ieee754sp x)
 {
 	COMPXSP;
 
diff --git a/arch/mips/math-emu/sp_modf.c b/arch/mips/math-emu/sp_modf.c
index 25a0fbaa0556..30d53ec1f7eb 100644
--- a/arch/mips/math-emu/sp_modf.c
+++ b/arch/mips/math-emu/sp_modf.c
@@ -28,7 +28,7 @@
 
 /* modf function is always exact for a finite number
 */
-ieee754sp ieee754sp_modf(ieee754sp x, ieee754sp *ip)
+union ieee754sp ieee754sp_modf(union ieee754sp x, union ieee754sp *ip)
 {
 	COMPXSP;
 
diff --git a/arch/mips/math-emu/sp_mul.c b/arch/mips/math-emu/sp_mul.c
index fa4675cf2aad..c628f3c495dc 100644
--- a/arch/mips/math-emu/sp_mul.c
+++ b/arch/mips/math-emu/sp_mul.c
@@ -26,7 +26,7 @@
 
 #include "ieee754sp.h"
 
-ieee754sp ieee754sp_mul(ieee754sp x, ieee754sp y)
+union ieee754sp ieee754sp_mul(union ieee754sp x, union ieee754sp y)
 {
 	COMPXSP;
 	COMPYSP;
diff --git a/arch/mips/math-emu/sp_scalb.c b/arch/mips/math-emu/sp_scalb.c
index dd76196984c8..9831d428af6f 100644
--- a/arch/mips/math-emu/sp_scalb.c
+++ b/arch/mips/math-emu/sp_scalb.c
@@ -26,7 +26,7 @@
 
 #include "ieee754sp.h"
 
-ieee754sp ieee754sp_scalb(ieee754sp x, int n)
+union ieee754sp ieee754sp_scalb(union ieee754sp x, int n)
 {
 	COMPXSP;
 
@@ -51,7 +51,7 @@ ieee754sp ieee754sp_scalb(ieee754sp x, int n)
 }
 
 
-ieee754sp ieee754sp_ldexp(ieee754sp x, int n)
+union ieee754sp ieee754sp_ldexp(union ieee754sp x, int n)
 {
 	return ieee754sp_scalb(x, n);
 }
diff --git a/arch/mips/math-emu/sp_simple.c b/arch/mips/math-emu/sp_simple.c
index ae4fcfafd853..633c7a54cf1e 100644
--- a/arch/mips/math-emu/sp_simple.c
+++ b/arch/mips/math-emu/sp_simple.c
@@ -26,12 +26,12 @@
 
 #include "ieee754sp.h"
 
-int ieee754sp_finite(ieee754sp x)
+int ieee754sp_finite(union ieee754sp x)
 {
 	return SPBEXP(x) != SP_EMAX + 1 + SP_EBIAS;
 }
 
-ieee754sp ieee754sp_copysign(ieee754sp x, ieee754sp y)
+union ieee754sp ieee754sp_copysign(union ieee754sp x, union ieee754sp y)
 {
 	CLEARCX;
 	SPSIGN(x) = SPSIGN(y);
@@ -39,7 +39,7 @@ ieee754sp ieee754sp_copysign(ieee754sp x, ieee754sp y)
 }
 
 
-ieee754sp ieee754sp_neg(ieee754sp x)
+union ieee754sp ieee754sp_neg(union ieee754sp x)
 {
 	COMPXSP;
 
@@ -55,7 +55,7 @@ ieee754sp ieee754sp_neg(ieee754sp x)
 	SPSIGN(x) ^= 1;
 
 	if (xc == IEEE754_CLASS_SNAN) {
-		ieee754sp y = ieee754sp_indef();
+		union ieee754sp y = ieee754sp_indef();
 		SETCX(IEEE754_INVALID_OPERATION);
 		SPSIGN(y) = SPSIGN(x);
 		return ieee754sp_nanxcpt(y, "neg");
@@ -65,7 +65,7 @@ ieee754sp ieee754sp_neg(ieee754sp x)
 }
 
 
-ieee754sp ieee754sp_abs(ieee754sp x)
+union ieee754sp ieee754sp_abs(union ieee754sp x)
 {
 	COMPXSP;
 
diff --git a/arch/mips/math-emu/sp_sqrt.c b/arch/mips/math-emu/sp_sqrt.c
index fed20175f5fb..4c60d91961f4 100644
--- a/arch/mips/math-emu/sp_sqrt.c
+++ b/arch/mips/math-emu/sp_sqrt.c
@@ -26,7 +26,7 @@
 
 #include "ieee754sp.h"
 
-ieee754sp ieee754sp_sqrt(ieee754sp x)
+union ieee754sp ieee754sp_sqrt(union ieee754sp x)
 {
 	int ix, s, q, m, t, i;
 	unsigned int r;
diff --git a/arch/mips/math-emu/sp_sub.c b/arch/mips/math-emu/sp_sub.c
index e595c6f3d0bb..ed67acfb114f 100644
--- a/arch/mips/math-emu/sp_sub.c
+++ b/arch/mips/math-emu/sp_sub.c
@@ -26,7 +26,7 @@
 
 #include "ieee754sp.h"
 
-ieee754sp ieee754sp_sub(ieee754sp x, ieee754sp y)
+union ieee754sp ieee754sp_sub(union ieee754sp x, union ieee754sp y)
 {
 	COMPXSP;
 	COMPYSP;
diff --git a/arch/mips/math-emu/sp_tint.c b/arch/mips/math-emu/sp_tint.c
index 0fe9acc7716e..37cb096ee931 100644
--- a/arch/mips/math-emu/sp_tint.c
+++ b/arch/mips/math-emu/sp_tint.c
@@ -27,7 +27,7 @@
 #include <linux/kernel.h>
 #include "ieee754sp.h"
 
-int ieee754sp_tint(ieee754sp x)
+int ieee754sp_tint(union ieee754sp x)
 {
 	COMPXSP;
 
@@ -113,9 +113,9 @@ int ieee754sp_tint(ieee754sp x)
 }
 
 
-unsigned int ieee754sp_tuns(ieee754sp x)
+unsigned int ieee754sp_tuns(union ieee754sp x)
 {
-	ieee754sp hb = ieee754sp_1e31();
+	union ieee754sp hb = ieee754sp_1e31();
 
 	/* what if x < 0 ?? */
 	if (ieee754sp_lt(x, hb))
diff --git a/arch/mips/math-emu/sp_tlong.c b/arch/mips/math-emu/sp_tlong.c
index d0ca6e22be29..da412d38d5ef 100644
--- a/arch/mips/math-emu/sp_tlong.c
+++ b/arch/mips/math-emu/sp_tlong.c
@@ -26,7 +26,7 @@
 
 #include "ieee754sp.h"
 
-s64 ieee754sp_tlong(ieee754sp x)
+s64 ieee754sp_tlong(union ieee754sp x)
 {
 	COMPXDP;		/* <-- need 64-bit mantissa tmp */
 
@@ -108,9 +108,9 @@ s64 ieee754sp_tlong(ieee754sp x)
 }
 
 
-u64 ieee754sp_tulong(ieee754sp x)
+u64 ieee754sp_tulong(union ieee754sp x)
 {
-	ieee754sp hb = ieee754sp_1e63();
+	union ieee754sp hb = ieee754sp_1e63();
 
 	/* what if x < 0 ?? */
 	if (ieee754sp_lt(x, hb))
-- 
2.39.5