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24 lines
883 B
C
24 lines
883 B
C
$NetBSD$
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--- gcc/config/i386/driver-i386.c.orig Sun May 9 14:53:00 2010
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+++ gcc/config/i386/driver-i386.c
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@@ -436,7 +436,8 @@ const char *host_detect_local_cpu (int argc, const cha
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has_ssse3 = ecx & bit_SSSE3;
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has_sse4_1 = ecx & bit_SSE4_1;
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has_sse4_2 = ecx & bit_SSE4_2;
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- has_avx = ecx & bit_AVX;
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+ /* Don't check XCR0[2] - I think that can be 'lazy enabled' by the OS */
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+ has_avx = (ecx & bit_AVX) && (ecx & bit_OSXSAVE);
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has_cmpxchg16b = ecx & bit_CMPXCHG16B;
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has_movbe = ecx & bit_MOVBE;
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has_popcnt = ecx & bit_POPCNT;
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@@ -494,7 +495,7 @@ const char *host_detect_local_cpu (int argc, const cha
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processor = PROCESSOR_AMDFAM10;
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else if (has_sse2 || has_longmode)
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processor = PROCESSOR_K8;
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- else if (has_3dnowp)
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+ else if (has_3dnowp && family == 6)
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processor = PROCESSOR_ATHLON;
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else if (has_mmx)
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processor = PROCESSOR_K6;
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