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

[H.J. Lu]

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(-)

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")
-- 
2.20.1