[23/43] i386: Emulate MMX mmx_uavgv4hi3 with SSE

Message ID 20190209132352.1828-24-hjl.tools@gmail.com
State New
Headers show
Series
  • V2: Emulate MMX intrinsics with SSE
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Commit Message

H.J. Lu Feb. 9, 2019, 1:23 p.m.
Emulate MMX mmx_uavgv4hi3 with SSE.  Only SSE register source operand is
allowed.

	PR target/89021
	* config/i386/mmx.md (*mmx_uavgv4hi3): Add SSE 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 17776c66d90..e345b2b8875 100644
--- a/gcc/config/i386/mmx.md
+++ b/gcc/config/i386/mmx.md
@@ -1732,23 +1732,27 @@ 
   "ix86_fixup_binary_operands_no_copy (PLUS, V4HImode, operands);")
 
 (define_insn "*mmx_uavgv4hi3"
-  [(set (match_operand:V4HI 0 "register_operand" "=y")
+  [(set (match_operand:V4HI 0 "register_operand" "=y,Yx,Yy")
 	(truncate:V4HI
 	  (lshiftrt:V4SI
 	    (plus:V4SI
 	      (plus:V4SI
 		(zero_extend:V4SI
-		  (match_operand:V4HI 1 "nonimmediate_operand" "%0"))
+		  (match_operand:V4HI 1 "nonimmediate_operand" "%0,0,Yy"))
 		(zero_extend:V4SI
-		  (match_operand:V4HI 2 "nonimmediate_operand" "ym")))
+		  (match_operand:V4HI 2 "nonimmediate_operand" "ym,Yx,Yy")))
 	      (const_vector:V4SI [(const_int 1) (const_int 1)
 				  (const_int 1) (const_int 1)]))
 	    (const_int 1))))]
   "(TARGET_SSE || TARGET_3DNOW_A)
    && ix86_binary_operator_ok (PLUS, V4HImode, operands)"
-  "pavgw\t{%2, %0|%0, %2}"
-  [(set_attr "type" "mmxshft")
-   (set_attr "mode" "DI")])
+  "@
+   pavgw\t{%2, %0|%0, %2}
+   pavgw\t{%2, %0|%0, %2}
+   vpavgw\t{%2, %1, %0|%0, %1, %2}"
+  [(set_attr "mmx_isa" "native,x64_noavx,x64_avx")
+   (set_attr "type" "mmxshft,sseiadd,sseiadd")
+   (set_attr "mode" "DI,TI,TI")])
 
 (define_insn "mmx_psadbw"
   [(set (match_operand:V1DI 0 "register_operand" "=y")