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Correctly determine CPU vendor.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25754 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jeff Cohen 2006-01-28 19:48:34 +00:00
parent 24200d63fd
commit 216d281d0a
1 changed files with 5 additions and 11 deletions
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16
lib/Target/X86/X86Subtarget.cpp
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@ -68,18 +68,12 @@ static const char *GetCurrentX86CPU() {
bool Em64T = EDX & (1 << 29);
union {
unsigned u[12];
char c[48];
unsigned u[3];
char c[12];
} text;
GetCpuIDAndInfo(0x80000002, text.u+0, text.u+1, text.u+2, text.u+3);
GetCpuIDAndInfo(0x80000003, text.u+4, text.u+5, text.u+6, text.u+7);
GetCpuIDAndInfo(0x80000004, text.u+8, text.u+9, text.u+10, text.u+11);
char *t = text.c;
while (*t == ' ')
t++;
if (memcmp(t, "Intel", 5) == 0) {
GetCpuIDAndInfo(0, &EAX, text.u+0, text.u+2, text.u+1);
if (memcmp(text.c, "GenuineIntel", 12) == 0) {
switch (Family) {
case 3:
return "i386";
@ -118,7 +112,7 @@ static const char *GetCurrentX86CPU() {
default:
return "generic";
}
} else if (memcmp(t, "AMD", 3) == 0) {
} else if (memcmp(text.c, "AuthenticAMD", 12) == 0) {
// FIXME: fill in remaining family/model combinations
switch (Family) {
case 15: