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softfloat-specialize: Perform comparison pass with qemu

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Ensures code and formatting are similar
This commit is contained in:
Lioncash 2018-03-21 13:27:58 -04:00
parent ba874ef639
commit 1c4c5a9403
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GPG key ID: 4E3C3CC1031BA9C7
1 changed files with 23 additions and 16 deletions
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39
qemu/fpu/softfloat-specialize.h
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@ -114,7 +114,8 @@ float32 float32_default_nan(float_status *status)
#if defined(TARGET_SPARC) || defined(TARGET_M68K)
return const_float32(0x7FFFFFFF);
#elif defined(TARGET_PPC) || defined(TARGET_ARM) || defined(TARGET_ALPHA) || \
defined(TARGET_XTENSA)
defined(TARGET_XTENSA) || defined(TARGET_S390X) || \
defined(TARGET_TRICORE) || defined(TARGET_RISCV)
return const_float32(0x7FC00000);
#elif defined(TARGET_HPPA)
return const_float32(0x7FA00000);
@ -138,7 +139,8 @@ float64 float64_default_nan(float_status *status)
{
#if defined(TARGET_SPARC) || defined(TARGET_M68K)
return const_float64(LIT64(0x7FFFFFFFFFFFFFFF));
#elif defined(TARGET_PPC) || defined(TARGET_ARM) || defined(TARGET_ALPHA)
#elif defined(TARGET_PPC) || defined(TARGET_ARM) || defined(TARGET_ALPHA) || \
defined(TARGET_S390X) || defined(TARGET_RISCV)
return const_float64(LIT64(0x7FF8000000000000));
#elif defined(TARGET_HPPA)
return const_float64(LIT64(0x7FF4000000000000));
@ -161,7 +163,6 @@ float64 float64_default_nan(float_status *status)
floatx80 floatx80_default_nan(float_status *status)
{
floatx80 r;
#if defined(TARGET_M68K)
r.low = LIT64(0xFFFFFFFFFFFFFFFF);
r.high = 0x7FFF;
@ -203,7 +204,7 @@ float128 float128_default_nan(float_status *status)
r.high = LIT64(0x7FFF7FFFFFFFFFFF);
} else {
r.low = LIT64(0x0000000000000000);
#if defined(TARGET_S390X) || defined(TARGET_PPC)
#if defined(TARGET_S390X) || defined(TARGET_PPC) || defined(TARGET_RISCV)
r.high = LIT64(0x7FFF800000000000);
#else
r.high = LIT64(0xFFFF800000000000);
@ -289,7 +290,6 @@ float16 float16_maybe_silence_nan(float16 a_, float_status *status)
return make_float16(a);
}
}
return a_;
}
@ -416,7 +416,7 @@ static commonNaNT float32ToCommonNaN(float32 a, float_status *status)
}
z.sign = float32_val(a) >> 31;
z.low = 0;
z.high = ((uint64_t) float32_val(a)) << 41;
z.high = ((uint64_t)float32_val(a)) << 41;
return z;
}
@ -435,7 +435,7 @@ static float32 commonNaNToFloat32(commonNaNT a, float_status *status)
if (mantissa) {
return make_float32(
(((uint32_t) a.sign) << 31) | 0x7F800000 | (a.high >> 41));
(((uint32_t)a.sign) << 31) | 0x7F800000 | (a.high >> 41));
} else {
return float32_default_nan(status);
}
@ -482,7 +482,7 @@ static int pickNaN(flag aIsQNaN, flag aIsSNaN, flag bIsQNaN, flag bIsSNaN,
}
#elif defined(TARGET_MIPS) || defined(TARGET_HPPA)
static int pickNaN(flag aIsQNaN, flag aIsSNaN, flag bIsQNaN, flag bIsSNaN,
flag aIsLargerSignificand)
flag aIsLargerSignificand)
{
/* According to MIPS specifications, if one of the two operands is
* a sNaN, a new qNaN has to be generated. This is done in
@ -548,7 +548,7 @@ static int pickNaN(flag aIsQNaN, flag aIsSNaN, flag bIsQNaN, flag bIsSNaN,
}
#else
static int pickNaN(flag aIsQNaN, flag aIsSNaN, flag bIsQNaN, flag bIsSNaN,
flag aIsLargerSignificand)
flag aIsLargerSignificand)
{
/* This implements x87 NaN propagation rules:
* SNaN + QNaN => return the QNaN
@ -585,7 +585,8 @@ static int pickNaN(flag aIsQNaN, flag aIsSNaN, flag bIsQNaN, flag bIsSNaN,
*----------------------------------------------------------------------------*/
#if defined(TARGET_ARM)
static int pickNaNMulAdd(flag aIsQNaN, flag aIsSNaN, flag bIsQNaN, flag bIsSNaN,
flag cIsQNaN, flag cIsSNaN, flag infzero, float_status *status)
flag cIsQNaN, flag cIsSNaN, flag infzero,
float_status *status)
{
/* For ARM, the (inf,zero,qnan) case sets InvalidOp and returns
* the default NaN
@ -614,7 +615,8 @@ static int pickNaNMulAdd(flag aIsQNaN, flag aIsSNaN, flag bIsQNaN, flag bIsSNaN,
}
#elif defined(TARGET_MIPS)
static int pickNaNMulAdd(flag aIsQNaN, flag aIsSNaN, flag bIsQNaN, flag bIsSNaN,
flag cIsQNaN, flag cIsSNaN, flag infzero, float_status *status)
flag cIsQNaN, flag cIsSNaN, flag infzero,
float_status *status)
{
/* For MIPS, the (inf,zero,qnan) case sets InvalidOp and returns
* the default NaN
@ -658,7 +660,8 @@ static int pickNaNMulAdd(flag aIsQNaN, flag aIsSNaN, flag bIsQNaN, flag bIsSNaN,
}
#elif defined(TARGET_PPC)
static int pickNaNMulAdd(flag aIsQNaN, flag aIsSNaN, flag bIsQNaN, flag bIsSNaN,
flag cIsQNaN, flag cIsSNaN, flag infzero, float_status *status)
flag cIsQNaN, flag cIsSNaN, flag infzero,
float_status *status)
{
/* For PPC, the (inf,zero,qnan) case sets InvalidOp, but we prefer
* to return an input NaN if we have one (ie c) rather than generating
@ -685,7 +688,8 @@ static int pickNaNMulAdd(flag aIsQNaN, flag aIsSNaN, flag bIsQNaN, flag bIsSNaN,
* This is unlikely to actually match any real implementation.
*/
static int pickNaNMulAdd(flag aIsQNaN, flag aIsSNaN, flag bIsQNaN, flag bIsSNaN,
flag cIsQNaN, flag cIsSNaN, flag infzero, float_status *status)
flag cIsQNaN, flag cIsSNaN, flag infzero,
float_status *status)
{
if (aIsSNaN || aIsQNaN) {
return 0;
@ -916,6 +920,7 @@ int floatx80_is_quiet_nan(floatx80 a, float_status *status)
{
if (status->snan_bit_is_one) {
uint64_t aLow;
aLow = a.low & ~0x4000000000000000ULL;
return ((a.high & 0x7FFF) == 0x7FFF)
&& (aLow << 1)
@ -939,6 +944,7 @@ int floatx80_is_signaling_nan(floatx80 a, float_status *status)
&& ((a.low << 1) >= 0x8000000000000000ULL);
} else {
uint64_t aLow;
aLow = a.low & ~LIT64(0x4000000000000000);
return ((a.high & 0x7FFF) == 0x7FFF)
&& (uint64_t)(aLow << 1)
@ -1007,7 +1013,7 @@ static floatx80 commonNaNToFloatx80(commonNaNT a, float_status *status)
if (a.high >> 1) {
z.low = LIT64(0x8000000000000000) | a.high >> 1;
z.high = (((uint16_t) a.sign) << 15) | 0x7FFF;
z.high = (((uint16_t)a.sign) << 15) | 0x7FFF;
} else {
z = floatx80_default_nan(status);
}
@ -1148,7 +1154,7 @@ static float128 commonNaNToFloat128(commonNaNT a, float_status *status)
}
shift128Right(a.high, a.low, 16, &z.high, &z.low);
z.high |= (((uint64_t) a.sign) << 63) | LIT64(0x7FFF000000000000);
z.high |= (((uint64_t)a.sign) << 63) | LIT64(0x7FFF000000000000);
return z;
}
@ -1158,7 +1164,8 @@ static float128 commonNaNToFloat128(commonNaNT a, float_status *status)
| `b' is a signaling NaN, the invalid exception is raised.
*----------------------------------------------------------------------------*/
static float128 propagateFloat128NaN(float128 a, float128 b, float_status *status)
static float128 propagateFloat128NaN(float128 a, float128 b,
float_status *status)
{
flag aIsQuietNaN, aIsSignalingNaN, bIsQuietNaN, bIsSignalingNaN;
flag aIsLargerSignificand;