libgcc-bsd.ver: Version symbol __cpu_indicator_init.
2012-06-11 Sriraman Tallam <tmsriram@google.com> * config/i386/libgcc-bsd.ver: Version symbol __cpu_indicator_init. * config/i386/libgcc-sol2.ver: Ditto. * config/i386/libgcc-glibc.ver: Ditto. * gcc.target/i386/builtin_target.c (vendor_signatures): New enum. (check_intel_cpu_model): New function. (check_amd_cpu_model): New function. (check_features): New function. (__get_cpuid_output): New function. (check_detailed): New function. (fn1): Rename to quick_check. (main): Update to call quick_check and call check_detailed. From-SVN: r188417
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Sriraman Tallam
Sriraman Tallam
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6 changed files with 243 additions and 4 deletions
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@ -1,3 +1,14 @@
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2012-06-11 Sriraman Tallam <tmsriram@google.com>
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* gcc.target/i386/builtin_target.c (vendor_signatures): New enum.
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(check_intel_cpu_model): New function.
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(check_amd_cpu_model): New function.
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(check_features): New function.
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(__get_cpuid_output): New function.
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(check_detailed): New function.
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(fn1): Rename to quick_check.
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(main): Update to call quick_check and call check_detailed.
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2012-06-11 Richard Henderson <rth@redhat.com>
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* lib/target-supports.exp
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@ -1,12 +1,228 @@
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/* This test checks if the __builtin_cpu_is and __builtin_cpu_supports calls
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are recognized. */
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are recognized. It also independently uses CPUID to get cpu type and
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features supported and checks if the builtins correctly identify the
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platform. The code to do the identification is adapted from
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libgcc/config/i386/cpuinfo.c. */
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/* { dg-do run } */
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#include <assert.h>
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#include "cpuid.h"
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int
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fn1 ()
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enum vendor_signatures
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{
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SIG_INTEL = 0x756e6547 /* Genu */,
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SIG_AMD = 0x68747541 /* Auth */
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};
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/* Check if the Intel CPU model and sub-model are identified. */
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static void
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check_intel_cpu_model (unsigned int family, unsigned int model,
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unsigned int brand_id)
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{
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/* Parse family and model only if brand ID is 0. */
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if (brand_id == 0)
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{
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switch (family)
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{
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case 0x5:
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/* Pentium. */
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break;
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case 0x6:
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switch (model)
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{
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case 0x1c:
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case 0x26:
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/* Atom. */
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assert (__builtin_cpu_is ("atom"));
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break;
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case 0x1a:
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case 0x1e:
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case 0x1f:
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case 0x2e:
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/* Nehalem. */
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assert (__builtin_cpu_is ("corei7"));
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assert (__builtin_cpu_is ("nehalem"));
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break;
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case 0x25:
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case 0x2c:
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case 0x2f:
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/* Westmere. */
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assert (__builtin_cpu_is ("corei7"));
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assert (__builtin_cpu_is ("westmere"));
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break;
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case 0x2a:
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/* Sandy Bridge. */
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assert (__builtin_cpu_is ("corei7"));
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assert (__builtin_cpu_is ("sandybridge"));
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break;
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case 0x17:
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case 0x1d:
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/* Penryn. */
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case 0x0f:
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/* Merom. */
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assert (__builtin_cpu_is ("core2"));
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break;
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default:
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break;
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}
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break;
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default:
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/* We have no idea. */
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break;
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}
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}
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}
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/* Check if the AMD CPU model and sub-model are identified. */
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static void
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check_amd_cpu_model (unsigned int family, unsigned int model)
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{
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switch (family)
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{
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/* AMD Family 10h. */
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case 0x10:
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switch (model)
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{
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case 0x2:
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/* Barcelona. */
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assert (__builtin_cpu_is ("amdfam10h"));
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assert (__builtin_cpu_is ("barcelona"));
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break;
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case 0x4:
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/* Shanghai. */
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assert (__builtin_cpu_is ("amdfam10h"));
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assert (__builtin_cpu_is ("shanghai"));
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break;
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case 0x8:
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/* Istanbul. */
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assert (__builtin_cpu_is ("amdfam10h"));
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assert (__builtin_cpu_is ("istanbul"));
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break;
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default:
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break;
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}
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break;
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/* AMD Family 15h. */
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case 0x15:
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assert (__builtin_cpu_is ("amdfam15h"));
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/* Bulldozer version 1. */
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if ( model <= 0xf)
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assert (__builtin_cpu_is ("bdver1"));
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/* Bulldozer version 2. */
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if (model >= 0x10 && model <= 0x1f)
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assert (__builtin_cpu_is ("bdver2"));
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break;
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default:
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break;
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}
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}
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/* Check if the ISA features are identified. */
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static void
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check_features (unsigned int ecx, unsigned int edx,
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int max_cpuid_level)
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{
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if (edx & bit_CMOV)
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assert (__builtin_cpu_supports ("cmov"));
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if (edx & bit_MMX)
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assert (__builtin_cpu_supports ("mmx"));
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if (edx & bit_SSE)
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assert (__builtin_cpu_supports ("sse"));
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if (edx & bit_SSE2)
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assert (__builtin_cpu_supports ("sse2"));
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if (ecx & bit_POPCNT)
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assert (__builtin_cpu_supports ("popcnt"));
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if (ecx & bit_SSE3)
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assert (__builtin_cpu_supports ("sse3"));
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if (ecx & bit_SSSE3)
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assert (__builtin_cpu_supports ("ssse3"));
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if (ecx & bit_SSE4_1)
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assert (__builtin_cpu_supports ("sse4.1"));
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if (ecx & bit_SSE4_2)
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assert (__builtin_cpu_supports ("sse4.2"));
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if (ecx & bit_AVX)
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assert (__builtin_cpu_supports ("avx"));
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/* Get advanced features at level 7 (eax = 7, ecx = 0). */
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if (max_cpuid_level >= 7)
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{
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unsigned int eax, ebx, ecx, edx;
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__cpuid_count (7, 0, eax, ebx, ecx, edx);
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if (ebx & bit_AVX2)
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assert (__builtin_cpu_supports ("avx2"));
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}
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}
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static int __attribute__ ((noinline))
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__get_cpuid_output (unsigned int __level,
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unsigned int *__eax, unsigned int *__ebx,
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unsigned int *__ecx, unsigned int *__edx)
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{
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return __get_cpuid (__level, __eax, __ebx, __ecx, __edx);
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}
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static int
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check_detailed ()
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{
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unsigned int eax, ebx, ecx, edx;
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int max_level;
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unsigned int vendor;
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unsigned int model, family, brand_id;
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unsigned int extended_model, extended_family;
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/* Assume cpuid insn present. Run in level 0 to get vendor id. */
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if (!__get_cpuid_output (0, &eax, &ebx, &ecx, &edx))
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return 0;
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vendor = ebx;
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max_level = eax;
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if (max_level < 1)
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return 0;
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if (!__get_cpuid_output (1, &eax, &ebx, &ecx, &edx))
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return 0;
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model = (eax >> 4) & 0x0f;
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family = (eax >> 8) & 0x0f;
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brand_id = ebx & 0xff;
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extended_model = (eax >> 12) & 0xf0;
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extended_family = (eax >> 20) & 0xff;
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if (vendor == SIG_INTEL)
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{
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assert (__builtin_cpu_is ("intel"));
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/* Adjust family and model for Intel CPUs. */
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if (family == 0x0f)
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{
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family += extended_family;
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model += extended_model;
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}
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else if (family == 0x06)
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model += extended_model;
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check_intel_cpu_model (family, model, brand_id);
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check_features (ecx, edx, max_level);
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}
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else if (vendor == SIG_AMD)
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{
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assert (__builtin_cpu_is ("amd"));
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/* Adjust model and family for AMD CPUS. */
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if (family == 0x0f)
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{
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family += extended_family;
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model += (extended_model << 4);
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}
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check_amd_cpu_model (family, model);
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check_features (ecx, edx, max_level);
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}
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return 0;
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}
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static int
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quick_check ()
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{
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/* Check CPU Features. */
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assert (__builtin_cpu_supports ("cmov") >= 0);
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@ -68,5 +284,7 @@ fn1 ()
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int main ()
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{
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__builtin_cpu_init ();
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return fn1 ();
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quick_check ();
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check_detailed ();
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return 0;
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}
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@ -1,3 +1,9 @@
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2012-06-11 Sriraman Tallam <tmsriram@google.com>
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* config/i386/libgcc-bsd.ver: Version symbol __cpu_indicator_init.
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* config/i386/libgcc-sol2.ver: Ditto.
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* config/i386/libgcc-glibc.ver: Ditto.
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2012-06-11 Roland McGrath <mcgrathr@google.com>
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* gthr-posix.h [neither FreeBSD nor Solaris] (__gthread_active_p):
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@ -109,4 +109,5 @@ GCC_4.6.0 {
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GCC_4.8.0 {
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__cpu_model
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__cpu_indicator_init
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}
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@ -150,6 +150,7 @@ GCC_4.3.0 {
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GCC_4.8.0 {
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__cpu_model
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__cpu_indicator_init
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}
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%else
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GCC_4.4.0 {
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@ -190,5 +191,6 @@ GCC_4.5.0 {
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GCC_4.8.0 {
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__cpu_model
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__cpu_indicator_init
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}
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%endif
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@ -109,4 +109,5 @@ GCC_4.5.0 {
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GCC_4.8.0 {
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__cpu_model
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__cpu_indicator_init
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}
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