Teach Clang to reject 32-bit only CPUs when compiling in 64-bit mode.
Add 64-bit preprocessor macro tests.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140688 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index b8a242b..acf54b7 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -1378,8 +1378,65 @@
.Case("geode", CK_Geode)
.Default(CK_Generic);
- // FIXME: When in 64-bit mode, reject 32-bit only CPUs.
- return CPU != CK_Generic;
+ // Perform any per-CPU checks necessary to determine if this CPU is
+ // acceptable.
+ // FIXME: This results in terrible diagnostics. Clang just says the CPU is
+ // invalid without explaining *why*.
+ switch (CPU) {
+ case CK_Generic:
+ // No processor selected!
+ return false;
+
+ case CK_i386:
+ case CK_i486:
+ case CK_WinChipC6:
+ case CK_WinChip2:
+ case CK_C3:
+ case CK_i586:
+ case CK_Pentium:
+ case CK_PentiumMMX:
+ case CK_i686:
+ case CK_PentiumPro:
+ case CK_Pentium2:
+ case CK_Pentium3:
+ case CK_Pentium3M:
+ case CK_PentiumM:
+ case CK_Yonah:
+ case CK_C3_2:
+ case CK_Pentium4:
+ case CK_Pentium4M:
+ case CK_Prescott:
+ case CK_K6:
+ case CK_K6_2:
+ case CK_K6_3:
+ case CK_Athlon:
+ case CK_AthlonThunderbird:
+ case CK_Athlon4:
+ case CK_AthlonXP:
+ case CK_AthlonMP:
+ case CK_Geode:
+ // Only accept certain architectures when compiling in 32-bit mode.
+ if (PointerWidth != 32)
+ return false;
+
+ // Fallthrough
+ case CK_Nocona:
+ case CK_Core2:
+ case CK_Penryn:
+ case CK_Atom:
+ case CK_Corei7:
+ case CK_Corei7AVX:
+ case CK_CoreAVXi:
+ case CK_Athlon64:
+ case CK_Athlon64SSE3:
+ case CK_AthlonFX:
+ case CK_K8:
+ case CK_K8SSE3:
+ case CK_Opteron:
+ case CK_OpteronSSE3:
+ case CK_x86_64:
+ return true;
+ }
}
};