[compiler-rt] r274870 - Added comments identifing code source
Alina Sbirlea via llvm-commits
llvm-commits at lists.llvm.org
Fri Jul 8 09:18:41 PDT 2016
Author: asbirlea
Date: Fri Jul 8 11:18:41 2016
New Revision: 274870
URL: http://llvm.org/viewvc/llvm-project?rev=274870&view=rev
Log:
Added comments identifing code source
Modified:
compiler-rt/trunk/lib/builtins/cpu_model.c
Modified: compiler-rt/trunk/lib/builtins/cpu_model.c
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/builtins/cpu_model.c?rev=274870&r1=274869&r2=274870&view=diff
==============================================================================
--- compiler-rt/trunk/lib/builtins/cpu_model.c (original)
+++ compiler-rt/trunk/lib/builtins/cpu_model.c Fri Jul 8 11:18:41 2016
@@ -119,6 +119,7 @@ enum ProcessorFeatures {
FEATURE_EM64T
};
+// The check below fori386 was copied from clang's cpuid.h.
static bool isCpuIdSupported() {
#if defined(i386) || defined(__i386__)
int __cpuid_supported;
@@ -144,6 +145,9 @@ static bool isCpuIdSupported() {
return 1;
}
+// This code is copied from lib/Support/Host.cpp.
+// Changes to either file should be mirrored in the other.
+
#if defined(i386) || defined(__i386__) || defined(__x86__) || \
defined(_M_IX86) || defined(__x86_64__) || defined(_M_AMD64) || \
defined(_M_X64)
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