Mercurial > hg > graal-compiler
diff src/cpu/x86/vm/assembler_x86.hpp @ 2415:09f96c3ff1ad
7032388: guarantee(VM_Version::supports_cmov()) failed: illegal instruction on i586 after 6919934
Summary: 6919934 added some unguarded cmov instructions which hit a guarantee on older hardware.
Reviewed-by: never, iveresov, kvn, phh
| author | twisti |
|---|---|
| date | Thu, 31 Mar 2011 00:27:08 -0700 |
| parents | b40d4fa697bf |
| children | 479b4b4b6950 92add02409c9 |
line wrap: on
line diff
--- a/src/cpu/x86/vm/assembler_x86.hpp Wed Mar 30 18:55:04 2011 -0700 +++ b/src/cpu/x86/vm/assembler_x86.hpp Thu Mar 31 00:27:08 2011 -0700 @@ -2244,10 +2244,13 @@ // Data - void cmov(Condition cc, Register dst, Register src) { LP64_ONLY(cmovq(cc, dst, src)) NOT_LP64(cmovl(cc, dst, src)); } - - void cmovptr(Condition cc, Register dst, Address src) { LP64_ONLY(cmovq(cc, dst, src)) NOT_LP64(cmovl(cc, dst, src)); } - void cmovptr(Condition cc, Register dst, Register src) { LP64_ONLY(cmovq(cc, dst, src)) NOT_LP64(cmovl(cc, dst, src)); } + void cmov32( Condition cc, Register dst, Address src); + void cmov32( Condition cc, Register dst, Register src); + + void cmov( Condition cc, Register dst, Register src) { cmovptr(cc, dst, src); } + + void cmovptr(Condition cc, Register dst, Address src) { LP64_ONLY(cmovq(cc, dst, src)) NOT_LP64(cmov32(cc, dst, src)); } + void cmovptr(Condition cc, Register dst, Register src) { LP64_ONLY(cmovq(cc, dst, src)) NOT_LP64(cmov32(cc, dst, src)); } void movoop(Register dst, jobject obj); void movoop(Address dst, jobject obj);