Accept -march=i586, because gcc does (a synonym

for pentium).  Fixes
gcc.target/i386/20000720-1.c
gcc.target/i386/pr26826.c

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57528 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86.td b/lib/Target/X86/X86.td
index 779d0b4ce4c14b699093a37731f4218c36e5c929..f70c17592ce5539c444195b2accfd3ce066def97 100644 (file)
--- a/lib/Target/X86/X86.td
+++ b/lib/Target/X86/X86.td
@@ -59,6 +59,7 @@ class Proc<string Name, list<SubtargetFeature> Features>
 def : Proc<"generic",         []>;
 def : Proc<"i386",            []>;
 def : Proc<"i486",            []>;
+def : Proc<"i586",            []>;
 def : Proc<"pentium",         []>;
 def : Proc<"pentium-mmx",     [FeatureMMX]>;
 def : Proc<"i686",            []>;