[09/46] i386: Emulate MMX smulv4hi3_highpart with SSE

Message ID 20190201211809.963-10-hjl.tools@gmail.com
State New
Headers show
Series
  • Implement MMX intrinsics with SSE
Related show

Commit Message

H.J. Lu Feb. 1, 2019, 9:17 p.m.
Emulate MMX mulv4hi3 with SSE.  Only SSE register source operand is
allowed.

	PR target/89021
	* config/i386/mmx.md (mmx_smulv4hi3_highpart): Check
	TARGET_MMX_INSNS instead of TARGET_MMX.
	(*mmx_smulv4hi3_highpart): Check TARGET_MMX_INSNS instead of
	TARGET_MMX.  Add SSE support.
---
 gcc/config/i386/mmx.md | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

-- 
2.20.1

Patch

diff --git a/gcc/config/i386/mmx.md b/gcc/config/i386/mmx.md
index d3f300a901c..5ba8b46fc73 100644
--- a/gcc/config/i386/mmx.md
+++ b/gcc/config/i386/mmx.md
@@ -780,23 +780,27 @@ 
 	      (sign_extend:V4SI
 		(match_operand:V4HI 2 "nonimmediate_operand")))
 	    (const_int 16))))]
-  "TARGET_MMX"
+  "TARGET_MMX_INSNS"
   "ix86_fixup_binary_operands_no_copy (MULT, V4HImode, operands);")
 
 (define_insn "*mmx_smulv4hi3_highpart"
-  [(set (match_operand:V4HI 0 "register_operand" "=y")
+  [(set (match_operand:V4HI 0 "register_operand" "=y,Yx,Yy")
 	(truncate:V4HI
 	  (lshiftrt:V4SI
 	    (mult:V4SI
 	      (sign_extend:V4SI
-		(match_operand:V4HI 1 "nonimmediate_operand" "%0"))
+		(match_operand:V4HI 1 "nonimmediate_operand" "%0,0,Yy"))
 	      (sign_extend:V4SI
-		(match_operand:V4HI 2 "nonimmediate_operand" "ym")))
+		(match_operand:V4HI 2 "nonimmediate_operand" "ym,Yx,Yy")))
 	    (const_int 16))))]
-  "TARGET_MMX && ix86_binary_operator_ok (MULT, V4HImode, operands)"
-  "pmulhw\t{%2, %0|%0, %2}"
-  [(set_attr "type" "mmxmul")
-   (set_attr "mode" "DI")])
+  "TARGET_MMX_INSNS && ix86_binary_operator_ok (MULT, V4HImode, operands)"
+  "@
+   pmulhw\t{%2, %0|%0, %2}
+   pmulhw\t{%2, %0|%0, %2}
+   vpmulhw\t{%2, %1, %0|%0, %1, %2}"
+  [(set_attr "isa" "*,noavx,avx")
+   (set_attr "type" "mmxmul,ssemul,ssemul")
+   (set_attr "mode" "DI,TI,TI")])
 
 (define_expand "mmx_umulv4hi3_highpart"
   [(set (match_operand:V4HI 0 "register_operand")