[X86][SSE] Float comparisons can sometimes be safely commuted

[oota-llvm.git] / lib / Target / X86 / X86Instr3DNow.td

diff --git a/lib/Target/X86/X86Instr3DNow.td b/lib/Target/X86/X86Instr3DNow.td
index dd4f6a5a85a40d693222f5234f1107e598b8379e..ba1aede3c1a0c60b0773ebad5e5c8cd673d52074 100644 (file)
--- a/lib/Target/X86/X86Instr3DNow.td
+++ b/lib/Target/X86/X86Instr3DNow.td
@@ -1,4 +1,4 @@
-//====- X86Instr3DNow.td - The 3DNow! Instruction Set ------*- tablegen -*-===//
+//===-- X86Instr3DNow.td - The 3DNow! Instruction Set ------*- tablegen -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -84,15 +84,16 @@ defm PI2FD    : I3DNow_conv_rm_int<0x0D, "pi2fd">;
 defm PMULHRW  : I3DNow_binop_rm_int<0xB7, "pmulhrw">;
 
 
-def FEMMS : I3DNow<0x0E, RawFrm, (outs), (ins), "femms", [(int_x86_mmx_femms)]>;
+def FEMMS : I3DNow<0x0E, RawFrm, (outs), (ins), "femms",
+                   [(int_x86_mmx_femms)]>;
 
-def PREFETCH  : I3DNow<0x0D, MRM0m, (outs), (ins i32mem:$addr),
-                       "prefetch $addr", []>;
+def PREFETCH : I3DNow<0x0D, MRM0m, (outs), (ins i8mem:$addr),
+                      "prefetch\t$addr",
+                      [(prefetch addr:$addr, (i32 0), imm, (i32 1))]>;
 
-// FIXME: Diassembler gets a bogus decode conflict.
-let isAsmParserOnly = 1 in
-def PREFETCHW : I3DNow<0x0D, MRM1m, (outs), (ins i16mem:$addr),
-                       "prefetchw $addr", []>;
+def PREFETCHW : I<0x0D, MRM1m, (outs), (ins i8mem:$addr), "prefetchw\t$addr",
+                  [(prefetch addr:$addr, (i32 1), (i32 3), (i32 1))]>, TB,
+                Requires<[HasPrefetchW]>;
 
 // "3DNowA" instructions
 defm PF2IW    : I3DNow_conv_rm_int<0x1C, "pf2iw", "a">;