[PATCH 23/40] i386: Emulate MMX mmx_uavgv4hi3 with SSE
H.J. Lu
hjl.tools@gmail.com
Mon Feb 11 22:56:00 GMT 2019
Emulate MMX mmx_uavgv4hi3 with SSE. Only SSE register source operand is
allowed.
PR target/89021
* config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
TARGET_MMX_WITH_SSE.
(*mmx_uavgv4hi3): Add SSE emulation.
---
gcc/config/i386/mmx.md | 22 ++++++++++++++--------
1 file changed, 14 insertions(+), 8 deletions(-)
diff --git a/gcc/config/i386/mmx.md b/gcc/config/i386/mmx.md
index 7fd29094836..5e4fd499658 100644
--- a/gcc/config/i386/mmx.md
+++ b/gcc/config/i386/mmx.md
@@ -1778,27 +1778,33 @@
(const_vector:V4SI [(const_int 1) (const_int 1)
(const_int 1) (const_int 1)]))
(const_int 1))))]
- "TARGET_SSE || TARGET_3DNOW_A"
+ "(TARGET_MMX || TARGET_MMX_WITH_SSE)
+ && (TARGET_SSE || TARGET_3DNOW_A)"
"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,x,Yv")
(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,Yv"))
(zero_extend:V4SI
- (match_operand:V4HI 2 "nonimmediate_operand" "ym")))
+ (match_operand:V4HI 2 "nonimmediate_operand" "ym,x,Yv")))
(const_vector:V4SI [(const_int 1) (const_int 1)
(const_int 1) (const_int 1)]))
(const_int 1))))]
- "(TARGET_SSE || TARGET_3DNOW_A)
+ "(TARGET_MMX || TARGET_MMX_WITH_SSE)
+ && (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
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