[llvm-commits] CVS: llvm/lib/Target/X86/X86InstrSSE.td

Evan Cheng evan.cheng at apple.com
Fri Apr 14 00:43:25 PDT 2006



Changes in directory llvm/lib/Target/X86:

X86InstrSSE.td updated: 1.88 -> 1.89
---
Log message:

Misc. SSE2 intrinsics: clflush, lfench, mfence

---
Diffs of the changes:  (+11 -2)

 X86InstrSSE.td |   13 +++++++++++--
 1 files changed, 11 insertions(+), 2 deletions(-)


Index: llvm/lib/Target/X86/X86InstrSSE.td
diff -u llvm/lib/Target/X86/X86InstrSSE.td:1.88 llvm/lib/Target/X86/X86InstrSSE.td:1.89
--- llvm/lib/Target/X86/X86InstrSSE.td:1.88	Thu Apr 13 20:39:53 2006
+++ llvm/lib/Target/X86/X86InstrSSE.td	Fri Apr 14 02:43:12 2006
@@ -2002,12 +2002,21 @@
                     [(int_x86_sse2_movnt_i addr:$dst, R32:$src)]>, 
                   TB, Requires<[HasSSE2]>;
 
-// Store fence
+// Flush cache
+def CLFLUSH : I<0xAE, MRM7m, (ops i8mem:$src),
+               "clflush $src", [(int_x86_sse2_clflush addr:$src)]>,
+              TB, Requires<[HasSSE2]>;
+
+// Load, store, and memory fence
 def SFENCE : I<0xAE, MRM7m, (ops),
                "sfence", [(int_x86_sse_sfence)]>, TB, Requires<[HasSSE1]>;
+def LFENCE : I<0xAE, MRM5m, (ops),
+               "lfence", [(int_x86_sse2_lfence)]>, TB, Requires<[HasSSE2]>;
+def MFENCE : I<0xAE, MRM6m, (ops),
+               "mfence", [(int_x86_sse2_mfence)]>, TB, Requires<[HasSSE2]>;
 
 // MXCSR register
-def LDMXCSR : I<0xAE, MRM2m, (ops i32mem:$src),
+def LDMXCSR : I<0xAE, MRM5m, (ops i32mem:$src),
                 "ldmxcsr $src",
                 [(int_x86_sse_ldmxcsr addr:$src)]>, TB, Requires<[HasSSE1]>;
 def STMXCSR : I<0xAE, MRM3m, (ops i32mem:$dst),






More information about the llvm-commits mailing list