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Diffstat (limited to 'lib/Target/X86/X86Subtarget.cpp')
-rw-r--r--lib/Target/X86/X86Subtarget.cpp21
1 files changed, 11 insertions, 10 deletions
diff --git a/lib/Target/X86/X86Subtarget.cpp b/lib/Target/X86/X86Subtarget.cpp
index 89f69d9feb..cd6fb034e0 100644
--- a/lib/Target/X86/X86Subtarget.cpp
+++ b/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";
}