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builtin_target.c (check_features): Check all supported __builtin_cpu_supports options.

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* gcc.target/i386/builtin_target.c (check_features): Check all
	supported __builtin_cpu_supports options.

From-SVN: r244375
This commit is contained in:
Uros Bizjak 2017-01-12 18:30:03 +01:00 committed by Uros Bizjak
parent a1f009a65f
commit fbed6f3695
4 changed files with 49 additions and 19 deletions
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12
gcc/config/i386/cpuid.h
View File

@ -47,28 +47,25 @@
#define bit_SSE (1 << 25)
#define bit_SSE2 (1 << 26)
/* Extended Features */
/* Extended Features (%eax == 0x80000001) */
/* %ecx */
#define bit_LAHF_LM (1 << 0)
#define bit_ABM (1 << 5)
#define bit_SSE4a (1 << 6)
#define bit_PRFCHW (1 << 8)
#define bit_XOP (1 << 11)
#define bit_AVX512VPOPCNTDQ (1 << 14)
#define bit_LWP (1 << 15)
#define bit_FMA4 (1 << 16)
#define bit_TBM (1 << 21)
#define bit_MWAITX (1 << 29)
/* %edx */
#define bit_AVX5124VNNIW (1 << 2)
#define bit_AVX5124FMAPS (1 << 3)
#define bit_MMXEXT (1 << 22)
#define bit_LM (1 << 29)
#define bit_3DNOWP (1 << 30)
#define bit_3DNOW (1 << 31)
/* %ebx. */
/* %ebx */
#define bit_CLZERO (1 << 0)
/* Extended Features (%eax == 7) */
@ -100,6 +97,11 @@
#define bit_AVX512VBMI (1 << 1)
#define bit_PKU (1 << 3)
#define bit_OSPKE (1 << 4)
#define bit_AVX512VPOPCNTDQ (1 << 14)
/* %edx */
#define bit_AVX5124VNNIW (1 << 2)
#define bit_AVX5124FMAPS (1 << 3)
/* XFEATURE_ENABLED_MASK register bits (%eax == 13, %ecx == 0) */
#define bit_BNDREGS (1 << 3)

5
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,8 @@
2017-01-12 Uros Bizjak <ubizjak@gmail.com>
* gcc.target/i386/builtin_target.c (check_features): Check all
supported __builtin_cpu_supports options.
2017-01-12 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
PR tree-optimization/78319

39
gcc/testsuite/gcc.target/i386/builtin_target.c
View File

@ -163,6 +163,9 @@ static void
check_features (unsigned int ecx, unsigned int edx,
int max_cpuid_level)
{
unsigned int eax, ebx;
unsigned int ext_level;
if (edx & bit_CMOV)
assert (__builtin_cpu_supports ("cmov"));
if (edx & bit_MMX)
@ -187,38 +190,58 @@ check_features (unsigned int ecx, unsigned int edx,
assert (__builtin_cpu_supports ("sse4.2"));
if (ecx & bit_AVX)
assert (__builtin_cpu_supports ("avx"));
if (ecx & bit_FMA)
assert (__builtin_cpu_supports ("fma"));
/* Get advanced features at level 7 (eax = 7, ecx = 0). */
if (max_cpuid_level >= 7)
{
unsigned int eax, ebx, ecx, edx;
__cpuid_count (7, 0, eax, ebx, ecx, edx);
if (ebx & bit_BMI)
assert (__builtin_cpu_supports ("bmi"));
if (ebx & bit_AVX2)
assert (__builtin_cpu_supports ("avx2"));
if (ebx & bit_BMI2)
assert (__builtin_cpu_supports ("bmi2"));
if (ebx & bit_AVX512F)
assert (__builtin_cpu_supports ("avx512f"));
if (ebx & bit_AVX512VL)
assert (__builtin_cpu_supports ("avx512vl"));
if (ebx & bit_AVX512BW)
assert (__builtin_cpu_supports ("avx512bw"));
if (ebx & bit_AVX512DQ)
assert (__builtin_cpu_supports ("avx512dq"));
if (ebx & bit_AVX512CD)
assert (__builtin_cpu_supports ("avx512cd"));
if (ebx & bit_AVX512PF)
assert (__builtin_cpu_supports ("avx512pf"));
if (ebx & bit_AVX512ER)
assert (__builtin_cpu_supports ("avx512er"));
if (ebx & bit_AVX512BW)
assert (__builtin_cpu_supports ("avx512bw"));
if (ebx & bit_AVX512DQ)
assert (__builtin_cpu_supports ("avx512dq"));
if (ecx & bit_AVX512IFMA)
if (ebx & bit_AVX512IFMA)
assert (__builtin_cpu_supports ("avx512ifma"));
if (ecx & bit_AVX512VBMI)
assert (__builtin_cpu_supports ("avx512vbmi"));
if (ecx & bit_AVX512VPOPCNTDQ)
assert (__builtin_cpu_supports ("avx512vpopcntdq"));
if (edx & bit_AVX5124VNNIW)
assert (__builtin_cpu_supports ("avx5124vnniw"));
if (edx & bit_AVX5124FMAPS)
assert (__builtin_cpu_supports ("avx5124fmaps"));
if (ecx & bit_AVX512VPOPCNTDQ)
assert (__builtin_cpu_supports ("avx512vpopcntdq"));
}
/* Check cpuid level of extended features. */
__cpuid (0x80000000, ext_level, ebx, ecx, edx);
if (ext_level >= 0x80000001)
{
__cpuid (0x80000001, eax, ebx, ecx, edx);
if (ecx & bit_SSE4a)
assert (__builtin_cpu_supports ("sse4a"));
if (ecx & bit_FMA4)
assert (__builtin_cpu_supports ("fma4"));
if (ecx & bit_XOP)
assert (__builtin_cpu_supports ("xop"));
}
}

12
libgcc/config/i386/cpuinfo.c
View File

@ -215,6 +215,9 @@ static void
get_available_features (unsigned int ecx, unsigned int edx,
int max_cpuid_level)
{
unsigned int eax, ebx;
unsigned int ext_level;
unsigned int features = 0;
if (edx & bit_CMOV)
@ -247,7 +250,6 @@ get_available_features (unsigned int ecx, unsigned int edx,
/* Get Advanced Features at level 7 (eax = 7, ecx = 0). */
if (max_cpuid_level >= 7)
{
unsigned int eax, ebx, ecx, edx;
__cpuid_count (7, 0, eax, ebx, ecx, edx);
if (ebx & bit_BMI)
features |= (1 << FEATURE_BMI);
@ -273,20 +275,18 @@ get_available_features (unsigned int ecx, unsigned int edx,
features |= (1 << FEATURE_AVX512IFMA);
if (ecx & bit_AVX512VBMI)
features |= (1 << FEATURE_AVX512VBMI);
if (ecx & bit_AVX512VPOPCNTDQ)
features |= (1 << FEATURE_AVX512VPOPCNTDQ);
if (edx & bit_AVX5124VNNIW)
features |= (1 << FEATURE_AVX5124VNNIW);
if (edx & bit_AVX5124FMAPS)
features |= (1 << FEATURE_AVX5124FMAPS);
if (ecx & bit_AVX512VPOPCNTDQ)
features |= (1 << FEATURE_AVX512VPOPCNTDQ);
}
unsigned int ext_level;
unsigned int eax, ebx;
/* Check cpuid level of extended features. */
__cpuid (0x80000000, ext_level, ebx, ecx, edx);
if (ext_level > 0x80000000)
if (ext_level >= 0x80000001)
{
__cpuid (0x80000001, eax, ebx, ecx, edx);