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| author | Anton Korobeynikov <asl@math.spbu.ru> | 2007-03-23 23:46:48 +0000 |
|---|---|---|
| committer | Anton Korobeynikov <asl@math.spbu.ru> | 2007-03-23 23:46:48 +0000 |
| commit | 8aae2d7e1ce024c96c2c0ca16c29629703c3c1c3 (patch) | |
| tree | d2aab94e107008095d115d38089b7b2df6c40fde /llvm/lib/Target/X86/X86Subtarget.cpp | |
| parent | 3ab6e72143c877dce13abd0b2d3095f8d80d29c5 (diff) | |
| download | bcm5719-llvm-8aae2d7e1ce024c96c2c0ca16c29629703c3c1c3.tar.gz bcm5719-llvm-8aae2d7e1ce024c96c2c0ca16c29629703c3c1c3.zip | |
Autodetect MMX & SSE stuff for AMD processors
llvm-svn: 35292
Diffstat (limited to 'llvm/lib/Target/X86/X86Subtarget.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86Subtarget.cpp | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/llvm/lib/Target/X86/X86Subtarget.cpp b/llvm/lib/Target/X86/X86Subtarget.cpp index 89f69d9feb3..cd6fb034e09 100644 --- a/llvm/lib/Target/X86/X86Subtarget.cpp +++ b/llvm/lib/Target/X86/X86Subtarget.cpp @@ -106,19 +106,20 @@ void X86Subtarget::AutoDetectSubtargetFeatures() { if (X86::GetCpuIDAndInfo(0, &EAX, text.u+0, text.u+2, text.u+1)) return; - - // FIXME: support for AMD family of processors. - if (memcmp(text.c, "GenuineIntel", 12) == 0) { - X86::GetCpuIDAndInfo(0x1, &EAX, &EBX, &ECX, &EDX); - if ((EDX >> 23) & 0x1) X86SSELevel = MMX; - if ((EDX >> 25) & 0x1) X86SSELevel = SSE1; - if ((EDX >> 26) & 0x1) X86SSELevel = SSE2; - if (ECX & 0x1) X86SSELevel = SSE3; + X86::GetCpuIDAndInfo(0x1, &EAX, &EBX, &ECX, &EDX); + + if ((EDX >> 23) & 0x1) X86SSELevel = MMX; + if ((EDX >> 25) & 0x1) X86SSELevel = SSE1; + if ((EDX >> 26) & 0x1) X86SSELevel = SSE2; + if (ECX & 0x1) X86SSELevel = SSE3; + if (memcmp(text.c, "GenuineIntel", 12) == 0) { X86::GetCpuIDAndInfo(0x80000001, &EAX, &EBX, &ECX, &EDX); HasX86_64 = (EDX >> 29) & 0x1; - } + } else if (memcmp(text.c, "AuthenticAMD", 12) == 0) { + // FIXME: Correctly check for 64-bit stuff + } } static const char *GetCurrentX86CPU() { @@ -203,10 +204,10 @@ static const char *GetCurrentX86CPU() { } case 15: switch (Model) { + case 1: return "opteron"; case 5: return "athlon-fx"; // also opteron default: return "athlon64"; } - default: return "generic"; } |
