For vec_concatv2di, m constraint in alternative 0 and 1 could result in egpr allocated on operand 2 under -mapxf. Should use jm instead.
Bootstrapped/regtested on x86-64-linux-gnu. Ok for trunk? gcc/ChangeLog: * config/i386/sse.md (vec_concatv2di): Replace constraint "m" with "jm" for alternative 0 and 1 of operand 2. --- gcc/config/i386/sse.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md index 6bffd749c6d..58672f46365 100644 --- a/gcc/config/i386/sse.md +++ b/gcc/config/i386/sse.md @@ -20638,7 +20638,7 @@ (define_insn "vec_concatv2di" (match_operand:DI 1 "register_operand" " 0, 0,x ,Yv,0,Yv,0,0,v") (match_operand:DI 2 "nonimmediate_operand" - " jrm,jrm,rm,rm,x,Yv,x,m,m")))] + " jrjm,jrjm,rm,rm,x,Yv,x,m,m")))] "TARGET_SSE" "@ pinsrq\t{$1, %2, %0|%0, %2, 1} -- 2.31.1