[20/40] i386: Emulate MMX mmx_umulv4hi3_highpart with SSE

Message ID 20190211225553.32050-21-hjl.tools@gmail.com
State Superseded
Headers show
Series
  • V4: Emulate MMX intrinsics with SSE
Related show

Commit Message

H.J. Lu Feb. 11, 2019, 10:55 p.m.
Emulate MMX mmx_umulv4hi3_highpart with SSE.  Only SSE register source
operand is allowed.

	PR target/89021
	* config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
	TARGET_MMX and TARGET_MMX_WITH_SSE.
	(*mmx_umulv4hi3_highpart): Add SSE emulation.
---
 gcc/config/i386/mmx.md | 22 ++++++++++++++--------
 1 file changed, 14 insertions(+), 8 deletions(-)

-- 
2.20.1

Patch

diff --git a/gcc/config/i386/mmx.md b/gcc/config/i386/mmx.md
index d9ff70884bd..3c432f09e31 100644
--- a/gcc/config/i386/mmx.md
+++ b/gcc/config/i386/mmx.md
@@ -810,24 +810,30 @@ 
 	      (zero_extend:V4SI
 		(match_operand:V4HI 2 "nonimmediate_operand")))
 	    (const_int 16))))]
-  "TARGET_SSE || TARGET_3DNOW_A"
+  "(TARGET_MMX || TARGET_MMX_WITH_SSE)
+   && (TARGET_SSE || TARGET_3DNOW_A)"
   "ix86_fixup_binary_operands_no_copy (MULT, V4HImode, operands);")
 
 (define_insn "*mmx_umulv4hi3_highpart"
-  [(set (match_operand:V4HI 0 "register_operand" "=y")
+  [(set (match_operand:V4HI 0 "register_operand" "=y,x,Yv")
 	(truncate:V4HI
 	  (lshiftrt:V4SI
 	    (mult:V4SI
 	      (zero_extend:V4SI
-		(match_operand:V4HI 1 "nonimmediate_operand" "%0"))
+		(match_operand:V4HI 1 "nonimmediate_operand" "%0,0,Yv"))
 	      (zero_extend:V4SI
-		(match_operand:V4HI 2 "nonimmediate_operand" "ym")))
+		(match_operand:V4HI 2 "nonimmediate_operand" "ym,x,Yv")))
 	  (const_int 16))))]
-  "(TARGET_SSE || TARGET_3DNOW_A)
+  "(TARGET_MMX || TARGET_MMX_WITH_SSE)
+   && (TARGET_SSE || TARGET_3DNOW_A)
    && ix86_binary_operator_ok (MULT, V4HImode, operands)"
-  "pmulhuw\t{%2, %0|%0, %2}"
-  [(set_attr "type" "mmxmul")
-   (set_attr "mode" "DI")])
+  "@
+   pmulhuw\t{%2, %0|%0, %2}
+   pmulhuw\t{%2, %0|%0, %2}
+   vpmulhuw\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_pmaddwd"
   [(set (match_operand:V2SI 0 "register_operand")