[X86] Simplify the detection of pentium-mmx in Host.cpp.
Rather than looking at model numbers just check for the mmx feature flag. While there promote INTEL_PENTIUM_MMX to a CPU type instead of a subtype so that we don't have weird type with only one subtype.
llvm-svn: 317184
diff --git a/llvm/lib/Support/Host.cpp b/llvm/lib/Support/Host.cpp
index b1d5b44..e3daadd 100644
--- a/llvm/lib/Support/Host.cpp
+++ b/llvm/lib/Support/Host.cpp
@@ -344,6 +344,7 @@
INTEL_i386,
INTEL_i486,
INTEL_PENTIUM,
+ INTEL_PENTIUM_MMX,
INTEL_PENTIUM_PRO,
INTEL_PENTIUM_II,
INTEL_PENTIUM_III,
@@ -378,7 +379,6 @@
INTEL_COREI7_SKYLAKE,
INTEL_COREI7_SKYLAKE_AVX512,
// Entries below this are not in libgcc/compiler-rt.
- INTEL_PENTIUM_MMX,
INTEL_CORE2_65,
INTEL_CORE2_45,
AMDPENTIUM_K6,
@@ -603,26 +603,11 @@
}
break;
case 5:
- switch (Model) {
- case 1: // Pentium OverDrive processor for Pentium processor (60, 66),
- // Pentium processors (60, 66)
- case 2: // Pentium OverDrive processor for Pentium processor (75, 90,
- // 100, 120, 133), Pentium processors (75, 90, 100, 120, 133,
- // 150, 166, 200)
- case 3: // Pentium OverDrive processors for Intel486 processor-based
- // systems
- *Type = INTEL_PENTIUM;
- break;
- case 4: // Pentium OverDrive processor with MMX technology for Pentium
- // processor (75, 90, 100, 120, 133), Pentium processor with
- // MMX technology (166, 200)
- *Type = INTEL_PENTIUM;
- *Subtype = INTEL_PENTIUM_MMX;
- break;
- default:
- *Type = INTEL_PENTIUM;
+ if (Features & (1 << FEATURE_MMX)) {
+ *Type = INTEL_PENTIUM_MMX;
break;
}
+ *Type = INTEL_PENTIUM;
break;
case 6:
switch (Model) {
@@ -1118,9 +1103,9 @@
case INTEL_i486:
return "i486";
case INTEL_PENTIUM:
- if (Subtype == INTEL_PENTIUM_MMX)
- return "pentium-mmx";
return "pentium";
+ case INTEL_PENTIUM_MMX:
+ return "pentium-mmx";
case INTEL_PENTIUM_PRO:
return "pentiumpro";
case INTEL_PENTIUM_II: