MIPS: math-emu: Add z argument macros
Introduce macros for handling the "z" argument to maddf & msubf, making
its handling consistent with that of the "x" & "y" arguments rather than
open-coding equivalents.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: Maciej W. Rozycki <macro@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/13156/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/math-emu/dp_maddf.c b/arch/mips/math-emu/dp_maddf.c
index d5e0fb1..0e1d4d8 100644
--- a/arch/mips/math-emu/dp_maddf.c
+++ b/arch/mips/math-emu/dp_maddf.c
@@ -36,16 +36,15 @@
COMPXDP;
COMPYDP;
-
- u64 zm; int ze; int zs __maybe_unused; int zc;
+ COMPZDP;
EXPLODEXDP;
EXPLODEYDP;
- EXPLODEDP(z, zc, zs, ze, zm)
+ EXPLODEZDP;
FLUSHXDP;
FLUSHYDP;
- FLUSHDP(z, zc, zs, ze, zm);
+ FLUSHZDP;
ieee754_clearcx();
@@ -54,7 +53,7 @@
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754dp_nanxcpt(z);
case IEEE754_CLASS_DNORM:
- DPDNORMx(zm, ze);
+ DPDNORMZ;
/* QNAN is handled separately below */
}
diff --git a/arch/mips/math-emu/ieee754dp.h b/arch/mips/math-emu/ieee754dp.h
index e2babd9..9ba0230 100644
--- a/arch/mips/math-emu/ieee754dp.h
+++ b/arch/mips/math-emu/ieee754dp.h
@@ -60,6 +60,7 @@
while ((m >> DP_FBITS) == 0) { m <<= 1; e--; }
#define DPDNORMX DPDNORMx(xm, xe)
#define DPDNORMY DPDNORMx(ym, ye)
+#define DPDNORMZ DPDNORMx(zm, ze)
static inline union ieee754dp builddp(int s, int bx, u64 m)
{
diff --git a/arch/mips/math-emu/ieee754int.h b/arch/mips/math-emu/ieee754int.h
index ed7bb27..8bc2f69 100644
--- a/arch/mips/math-emu/ieee754int.h
+++ b/arch/mips/math-emu/ieee754int.h
@@ -55,6 +55,9 @@
#define COMPYSP \
unsigned ym; int ye; int ys; int yc
+#define COMPZSP \
+ unsigned zm; int ze; int zs; int zc
+
#define EXPLODESP(v, vc, vs, ve, vm) \
{ \
vs = SPSIGN(v); \
@@ -81,6 +84,7 @@
}
#define EXPLODEXSP EXPLODESP(x, xc, xs, xe, xm)
#define EXPLODEYSP EXPLODESP(y, yc, ys, ye, ym)
+#define EXPLODEZSP EXPLODESP(z, zc, zs, ze, zm)
#define COMPXDP \
@@ -89,6 +93,9 @@
#define COMPYDP \
u64 ym; int ye; int ys; int yc
+#define COMPZDP \
+ u64 zm; int ze; int zs; int zc
+
#define EXPLODEDP(v, vc, vs, ve, vm) \
{ \
vm = DPMANT(v); \
@@ -115,6 +122,7 @@
}
#define EXPLODEXDP EXPLODEDP(x, xc, xs, xe, xm)
#define EXPLODEYDP EXPLODEDP(y, yc, ys, ye, ym)
+#define EXPLODEZDP EXPLODEDP(z, zc, zs, ze, zm)
#define FLUSHDP(v, vc, vs, ve, vm) \
if (vc==IEEE754_CLASS_DNORM) { \
@@ -140,7 +148,9 @@
#define FLUSHXDP FLUSHDP(x, xc, xs, xe, xm)
#define FLUSHYDP FLUSHDP(y, yc, ys, ye, ym)
+#define FLUSHZDP FLUSHDP(z, zc, zs, ze, zm)
#define FLUSHXSP FLUSHSP(x, xc, xs, xe, xm)
#define FLUSHYSP FLUSHSP(y, yc, ys, ye, ym)
+#define FLUSHZSP FLUSHSP(z, zc, zs, ze, zm)
#endif /* __IEEE754INT_H */
diff --git a/arch/mips/math-emu/ieee754sp.h b/arch/mips/math-emu/ieee754sp.h
index 374a3f0..b24fdff 100644
--- a/arch/mips/math-emu/ieee754sp.h
+++ b/arch/mips/math-emu/ieee754sp.h
@@ -65,6 +65,7 @@
while ((m >> SP_FBITS) == 0) { m <<= 1; e--; }
#define SPDNORMX SPDNORMx(xm, xe)
#define SPDNORMY SPDNORMx(ym, ye)
+#define SPDNORMZ SPDNORMx(zm, ze)
static inline union ieee754sp buildsp(int s, int bx, unsigned m)
{
diff --git a/arch/mips/math-emu/sp_maddf.c b/arch/mips/math-emu/sp_maddf.c
index 93b7132..86e1d0b 100644
--- a/arch/mips/math-emu/sp_maddf.c
+++ b/arch/mips/math-emu/sp_maddf.c
@@ -36,15 +36,15 @@
COMPXSP;
COMPYSP;
- u32 zm; int ze; int zs __maybe_unused; int zc;
+ COMPZSP;
EXPLODEXSP;
EXPLODEYSP;
- EXPLODESP(z, zc, zs, ze, zm)
+ EXPLODEZSP;
FLUSHXSP;
FLUSHYSP;
- FLUSHSP(z, zc, zs, ze, zm);
+ FLUSHZSP;
ieee754_clearcx();
@@ -53,7 +53,7 @@
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754sp_nanxcpt(z);
case IEEE754_CLASS_DNORM:
- SPDNORMx(zm, ze);
+ SPDNORMZ;
/* QNAN is handled separately below */
}