[10/41] i386: Emulate MMX mmx_andnot<mode>3 with SSE

Message ID 20190216224032.4889-11-hjl.tools@gmail.com
State Superseded
Headers show
Series
  • V8: Emulate MMX intrinsics with SSE
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Commit Message

H.J. Lu Feb. 16, 2019, 10:40 p.m.
Emulate MMX mmx_andnot<mode>3 with SSE.  Only SSE register source operand
is allowed.

	PR target/89021
	* config/i386/mmx.md (mmx_andnot<mode>3): Also allow
	TARGET_MMX_WITH_SSE.  Add SSE support.
---
 gcc/config/i386/mmx.md | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

-- 
2.20.1

Patch

diff --git a/gcc/config/i386/mmx.md b/gcc/config/i386/mmx.md
index 33f6c2aa774..b3df46dd563 100644
--- a/gcc/config/i386/mmx.md
+++ b/gcc/config/i386/mmx.md
@@ -1049,14 +1049,18 @@ 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
 (define_insn "mmx_andnot<mode>3"
-  [(set (match_operand:MMXMODEI 0 "register_operand" "=y")
+  [(set (match_operand:MMXMODEI 0 "register_operand" "=y,x,Yv")
 	(and:MMXMODEI
-	  (not:MMXMODEI (match_operand:MMXMODEI 1 "register_operand" "0"))
-	  (match_operand:MMXMODEI 2 "nonimmediate_operand" "ym")))]
-  "TARGET_MMX"
-  "pandn\t{%2, %0|%0, %2}"
-  [(set_attr "type" "mmxadd")
-   (set_attr "mode" "DI")])
+	  (not:MMXMODEI (match_operand:MMXMODEI 1 "register_operand" "0,0,Yv"))
+	  (match_operand:MMXMODEI 2 "register_mmxmem_operand" "ym,x,Yv")))]
+  "TARGET_MMX || TARGET_MMX_WITH_SSE"
+  "@
+   pandn\t{%2, %0|%0, %2}
+   pandn\t{%2, %0|%0, %2}
+   vpandn\t{%2, %1, %0|%0, %1, %2}"
+  [(set_attr "mmx_isa" "native,x64_noavx,x64_avx")
+   (set_attr "type" "mmxadd,sselog,sselog")
+   (set_attr "mode" "DI,TI,TI")])
 
 (define_expand "mmx_<code><mode>3"
   [(set (match_operand:MMXMODEI 0 "register_operand")