/* Subroutines for the gcc driver.
- Copyright (C) 2006-2012 Free Software Foundation, Inc.
+ Copyright (C) 2006, 2007, 2008, 2010 Free Software Foundation, Inc.
This file is part of GCC.
const char *host_detect_local_cpu (int argc, const char **argv);
-#ifdef __GNUC__
+#if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
#include "cpuid.h"
struct cache_desc
enum vendor_signatures
{
SIG_INTEL = 0x756e6547 /* Genu */,
- SIG_AMD = 0x68747541 /* Auth */
+ SIG_AMD = 0x68747541 /* Auth */,
+ SIG_CENTAUR = 0x746e6543 /* Cent */,
+ SIG_CYRIX = 0x69727943 /* Cyri */,
+ SIG_NSC = 0x646f6547 /* Geod */
};
enum processor_signatures
unsigned int has_lahf_lm = 0, has_sse4a = 0;
unsigned int has_longmode = 0, has_3dnowp = 0, has_3dnow = 0;
unsigned int has_movbe = 0, has_sse4_1 = 0, has_sse4_2 = 0;
- unsigned int has_popcnt = 0, has_aes = 0, has_avx = 0;
+ unsigned int has_popcnt = 0, has_aes = 0, has_avx = 0, has_avx2 = 0;
unsigned int has_pclmul = 0, has_abm = 0, has_lwp = 0;
unsigned int has_fma = 0, has_fma4 = 0, has_xop = 0;
- unsigned int has_bmi = 0, has_tbm = 0;
+ unsigned int has_bmi = 0, has_bmi2 = 0, has_tbm = 0, has_lzcnt = 0;
unsigned int has_rdrnd = 0, has_f16c = 0, has_fsgsbase = 0;
unsigned int has_osxsave = 0;
{
__cpuid_count (7, 0, eax, ebx, ecx, edx);
+ has_bmi = ebx & bit_BMI;
+ has_avx2 = ebx & bit_AVX2;
+ has_bmi2 = ebx & bit_BMI2;
has_fsgsbase = ebx & bit_FSGSBASE;
}
- /* Get XCR_XFEATURE_ENABLED_MASK register with xgetbv. */
-#define XCR_XFEATURE_ENABLED_MASK 0x0
-#define XSTATE_FP 0x1
-#define XSTATE_SSE 0x2
-#define XSTATE_YMM 0x4
- if (has_osxsave)
- asm (".byte 0x0f; .byte 0x01; .byte 0xd0"
- : "=a" (eax), "=d" (edx)
- : "c" (XCR_XFEATURE_ENABLED_MASK));
-
- /* Check if SSE and YMM states are supported. */
- if ((eax & (XSTATE_SSE | XSTATE_YMM)) == (XSTATE_SSE | XSTATE_YMM))
- {
- has_avx = 0;
- has_fma = 0;
- has_fma4 = 0;
- has_xop = 0;
- }
-
/* Check cpuid level of extended features. */
__cpuid (0x80000000, ext_level, ebx, ecx, edx);
has_fma4 = ecx & bit_FMA4;
has_xop = ecx & bit_XOP;
has_tbm = ecx & bit_TBM;
+ has_lzcnt = ecx & bit_LZCNT;
has_longmode = edx & bit_LM;
has_3dnowp = edx & bit_3DNOWP;
has_3dnow = edx & bit_3DNOW;
+ }
- __cpuid (0x7, eax, ebx, ecx, edx);
+ /* Get XCR_XFEATURE_ENABLED_MASK register with xgetbv. */
+#define XCR_XFEATURE_ENABLED_MASK 0x0
+#define XSTATE_FP 0x1
+#define XSTATE_SSE 0x2
+#define XSTATE_YMM 0x4
+ if (has_osxsave)
+ asm (".byte 0x0f; .byte 0x01; .byte 0xd0"
+ : "=a" (eax), "=d" (edx)
+ : "c" (XCR_XFEATURE_ENABLED_MASK));
- has_bmi = ebx & bit_BMI;
+ /* Check if SSE and YMM states are supported. */
+ if (!has_osxsave
+ || (eax & (XSTATE_SSE | XSTATE_YMM)) != (XSTATE_SSE | XSTATE_YMM))
+ {
+ has_avx = 0;
+ has_avx2 = 0;
+ has_fma = 0;
+ has_fma4 = 0;
+ has_f16c = 0;
+ has_xop = 0;
}
if (!arch)
{
- if (vendor == SIG_AMD)
+ if (vendor == SIG_AMD
+ || vendor == SIG_CENTAUR
+ || vendor == SIG_CYRIX
+ || vendor == SIG_NSC)
cache = detect_caches_amd (ext_level);
else if (vendor == SIG_INTEL)
{
if (name == SIG_GEODE)
processor = PROCESSOR_GEODE;
+ else if (has_bmi)
+ processor = PROCESSOR_BDVER2;
else if (has_xop)
processor = PROCESSOR_BDVER1;
else if (has_sse4a && has_ssse3)
else
processor = PROCESSOR_PENTIUM;
}
+ else if (vendor == SIG_CENTAUR)
+ {
+ if (arch)
+ {
+ switch (family)
+ {
+ case 6:
+ if (model > 9)
+ /* Use the default detection procedure. */
+ processor = PROCESSOR_GENERIC32;
+ else if (model == 9)
+ cpu = "c3-2";
+ else if (model >= 6)
+ cpu = "c3";
+ else
+ processor = PROCESSOR_GENERIC32;
+ break;
+ case 5:
+ if (has_3dnow)
+ cpu = "winchip2";
+ else if (has_mmx)
+ cpu = "winchip2-c6";
+ else
+ processor = PROCESSOR_GENERIC32;
+ break;
+ default:
+ /* We have no idea. */
+ processor = PROCESSOR_GENERIC32;
+ }
+ }
+ }
else
{
switch (family)
/* Atom. */
cpu = "atom";
break;
+ case 0x0f:
+ /* Merom. */
+ case 0x17:
+ case 0x1d:
+ /* Penryn. */
+ cpu = "core2";
+ break;
case 0x1a:
case 0x1e:
case 0x1f:
case 0x2e:
/* Nehalem. */
- cpu = "corei7";
- break;
case 0x25:
case 0x2c:
case 0x2f:
cpu = "corei7";
break;
case 0x2a:
+ case 0x2d:
/* Sandy Bridge. */
cpu = "corei7-avx";
break;
- case 0x17:
- case 0x1d:
- /* Penryn. */
- cpu = "core2";
- break;
- case 0x0f:
- /* Merom. */
- cpu = "core2";
+ case 0x3a:
+ case 0x3e:
+ /* Ivy Bridge. */
+ cpu = "core-avx-i";
break;
default:
if (arch)
case PROCESSOR_BDVER1:
cpu = "bdver1";
break;
+ case PROCESSOR_BDVER2:
+ cpu = "bdver2";
+ break;
case PROCESSOR_BTVER1:
cpu = "btver1";
break;
const char *fma4 = has_fma4 ? " -mfma4" : " -mno-fma4";
const char *xop = has_xop ? " -mxop" : " -mno-xop";
const char *bmi = has_bmi ? " -mbmi" : " -mno-bmi";
+ const char *bmi2 = has_bmi2 ? " -mbmi2" : " -mno-bmi2";
const char *tbm = has_tbm ? " -mtbm" : " -mno-tbm";
const char *avx = has_avx ? " -mavx" : " -mno-avx";
+ const char *avx2 = has_avx2 ? " -mavx2" : " -mno-avx2";
const char *sse4_2 = has_sse4_2 ? " -msse4.2" : " -mno-sse4.2";
const char *sse4_1 = has_sse4_1 ? " -msse4.1" : " -mno-sse4.1";
+ const char *lzcnt = has_lzcnt ? " -mlzcnt" : " -mno-lzcnt";
const char *rdrnd = has_rdrnd ? " -mrdrnd" : " -mno-rdrnd";
const char *f16c = has_f16c ? " -mf16c" : " -mno-f16c";
const char *fsgsbase = has_fsgsbase ? " -mfsgsbase" : " -mno-fsgsbase";
options = concat (options, cx16, sahf, movbe, ase, pclmul,
- popcnt, abm, lwp, fma, fma4, xop, bmi, tbm,
- avx, sse4_2, sse4_1, rdrnd, f16c, fsgsbase, NULL);
+ popcnt, abm, lwp, fma, fma4, xop, bmi, bmi2,
+ tbm, avx, avx2, sse4_2, sse4_1, lzcnt, rdrnd,
+ f16c, fsgsbase, NULL);
}
done: