Emulate MMX movntq with SSE2 movntidi. Only register source operand is
allowed.
PR target/89021
* config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
---
gcc/config/i386/mmx.md | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)
diff --git a/gcc/config/i386/mmx.md b/gcc/config/i386/mmx.md
index 098e41e19c3..b06f0af984a 100644
--- a/gcc/config/i386/mmx.md
+++ b/gcc/config/i386/mmx.md
@@ -214,12 +214,16 @@
})
(define_insn "sse_movntq"
- [(set (match_operand:DI 0 "memory_operand" "=m")
- (unspec:DI [(match_operand:DI 1 "register_operand" "y")]
+ [(set (match_operand:DI 0 "memory_operand" "=m,m")
+ (unspec:DI [(match_operand:DI 1 "register_operand" "y,r")]
UNSPEC_MOVNTQ))]
- "TARGET_SSE || TARGET_3DNOW_A"
- "movntq\t{%1, %0|%0, %1}"
- [(set_attr "type" "mmxmov")
+ "(TARGET_MMX || TARGET_MMX_WITH_SSE)
+ && (TARGET_SSE || TARGET_3DNOW_A)"
+ "@
+ movntq\t{%1, %0|%0, %1}
+ movnti\t{%1, %0|%0, %1}"
+ [(set_attr "mmx_isa" "native,x64")
+ (set_attr "type" "mmxmov,ssemov")
(set_attr "mode" "DI")])
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
--
2.20.1
