[26/43] i386: Emulate MMX umulv1siv1di3 with SSE2

Message ID 20190209132352.1828-27-hjl.tools@gmail.com
State Superseded
Headers show
Series
  • V2: Emulate MMX intrinsics with SSE
Related show

Commit Message

H.J. Lu Feb. 9, 2019, 1:23 p.m.
Emulate MMX umulv1siv1di3 with SSE2.  Only SSE register source operand
is allowed.

	PR target/89021
	* config/i386/mmx.md (*sse2_umulv1siv1di3): Add SSE2 emulation.
---
 gcc/config/i386/mmx.md | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

-- 
2.20.1

Patch

diff --git a/gcc/config/i386/mmx.md b/gcc/config/i386/mmx.md
index c52e5b2e393..f5e96ebe3f3 100644
--- a/gcc/config/i386/mmx.md
+++ b/gcc/config/i386/mmx.md
@@ -955,20 +955,24 @@ 
   "ix86_fixup_binary_operands_no_copy (MULT, V2SImode, operands);")
 
 (define_insn "*sse2_umulv1siv1di3"
-  [(set (match_operand:V1DI 0 "register_operand" "=y")
+  [(set (match_operand:V1DI 0 "register_operand" "=y,Yx,Yy")
         (mult:V1DI
 	  (zero_extend:V1DI
 	    (vec_select:V1SI
-	      (match_operand:V2SI 1 "nonimmediate_operand" "%0")
+	      (match_operand:V2SI 1 "nonimmediate_operand" "%0,0,Yy")
 	      (parallel [(const_int 0)])))
 	  (zero_extend:V1DI
 	    (vec_select:V1SI
-	      (match_operand:V2SI 2 "nonimmediate_operand" "ym")
+	      (match_operand:V2SI 2 "nonimmediate_operand" "ym,Yx,Yy")
 	      (parallel [(const_int 0)])))))]
   "TARGET_SSE2 && ix86_binary_operator_ok (MULT, V2SImode, operands)"
-  "pmuludq\t{%2, %0|%0, %2}"
-  [(set_attr "type" "mmxmul")
-   (set_attr "mode" "DI")])
+  "@
+   pmuludq\t{%2, %0|%0, %2}
+   pmuludq\t{%2, %0|%0, %2}
+   vpmuludq\t{%2, %1, %0|%0, %1, %2}"
+  [(set_attr "mmx_isa" "native,x64_noavx,x64_avx")
+   (set_attr "type" "mmxmul,ssemul,ssemul")
+   (set_attr "mode" "DI,TI,TI")])
 
 (define_expand "mmx_<code>v4hi3"
   [(set (match_operand:V4HI 0 "register_operand")