Emulate MMX mmx_uavgv8qi3 with SSE. Only SSE register source operand is
allowed.
PR target/89021
* config/i386/mmx.md (*mmx_uavgv8qi3): Add SSE emulation.
---
gcc/config/i386/mmx.md | 15 +++++++++------
1 file changed, 9 insertions(+), 6 deletions(-)
diff --git a/gcc/config/i386/mmx.md b/gcc/config/i386/mmx.md
index 92252984482..7e2e3741255 100644
--- a/gcc/config/i386/mmx.md
+++ b/gcc/config/i386/mmx.md
@@ -1641,15 +1641,15 @@
"ix86_fixup_binary_operands_no_copy (PLUS, V8QImode, operands);")
(define_insn "*mmx_uavgv8qi3"
- [(set (match_operand:V8QI 0 "register_operand" "=y")
+ [(set (match_operand:V8QI 0 "register_operand" "=y,Yx,Yy")
(truncate:V8QI
(lshiftrt:V8HI
(plus:V8HI
(plus:V8HI
(zero_extend:V8HI
- (match_operand:V8QI 1 "nonimmediate_operand" "%0"))
+ (match_operand:V8QI 1 "nonimmediate_operand" "%0,0,Yy"))
(zero_extend:V8HI
- (match_operand:V8QI 2 "nonimmediate_operand" "ym")))
+ (match_operand:V8QI 2 "nonimmediate_operand" "ym,Yx,Yy")))
(const_vector:V8HI [(const_int 1) (const_int 1)
(const_int 1) (const_int 1)
(const_int 1) (const_int 1)
@@ -1660,19 +1660,22 @@
{
/* These two instructions have the same operation, but their encoding
is different. Prefer the one that is de facto standard. */
- if (TARGET_SSE || TARGET_3DNOW_A)
+ if (TARGET_MMX_WITH_SSE && TARGET_AVX)
+ return "vpavgb\t{%2, %1, %0|%0, %1, %2}";
+ else if (TARGET_SSE || TARGET_3DNOW_A)
return "pavgb\t{%2, %0|%0, %2}";
else
return "pavgusb\t{%2, %0|%0, %2}";
}
- [(set_attr "type" "mmxshft")
+ [(set_attr "isa" "*,noavx,avx")
+ (set_attr "type" "mmxshft,sseiadd,sseiadd")
(set (attr "prefix_extra")
(if_then_else
(not (ior (match_test "TARGET_SSE")
(match_test "TARGET_3DNOW_A")))
(const_string "1")
(const_string "*")))
- (set_attr "mode" "DI")])
+ (set_attr "mode" "DI,TI,TI")])
(define_expand "mmx_uavgv4hi3"
[(set (match_operand:V4HI 0 "register_operand")
--
2.20.1
