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MIPS: math-emu: Add z argument macros

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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>
This commit is contained in:
Paul Burton
2016-04-21 14:04:51 +01:00
committed by Ralf Baechle
parent d728f6709b
commit e2d11e1a83
5 changed files with 20 additions and 9 deletions
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9
arch/mips/math-emu/dp_maddf.c
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@@ -36,16 +36,15 @@ static union ieee754dp _dp_maddf(union ieee754dp z, union ieee754dp x,
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 @@ static union ieee754dp _dp_maddf(union ieee754dp z, union ieee754dp x,
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754dp_nanxcpt(z);
case IEEE754_CLASS_DNORM:
DPDNORMx(zm, ze);
DPDNORMZ;
/* QNAN is handled separately below */
}