https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89343
Bug ID: 89343
Summary: Some MMX instructions aren't properly marked
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: hjl.tools at gmail dot com
CC: ubizjak at gmail dot com
Target Milestone: ---
Target: i386, x86-64
(define_insn "*vec_concatv2sf_sse4_1"
[(set (match_operand:V2SF 0 "register_operand"
"=Yr,*x, v,Yr,*x,v,v,*y ,*y")
(vec_concat:V2SF
(match_operand:SF 1 "nonimmediate_operand"
" 0, 0,Yv, 0,0, v,m, 0 , m")
(match_operand:SF 2 "nonimm_or_0_operand"
" Yr,*x,Yv, m,m, m,C,*ym, C")))]
"TARGET_SSE4_1 && !(MEM_P (operands[1]) && MEM_P (operands[2]))"
"@
unpcklps\t{%2, %0|%0, %2}
unpcklps\t{%2, %0|%0, %2}
vunpcklps\t{%2, %1, %0|%0, %1, %2}
insertps\t{$0x10, %2, %0|%0, %2, 0x10}
insertps\t{$0x10, %2, %0|%0, %2, 0x10}
vinsertps\t{$0x10, %2, %1, %0|%0, %1, %2, 0x10}
%vmovss\t{%1, %0|%0, %1}
punpckldq\t{%2, %0|%0, %2}
movd\t{%1, %0|%0, %1}"
[(set (attr "isa")
(cond [(eq_attr "alternative" "0,1,3,4")
(const_string "noavx")
(eq_attr "alternative" "2,5")
(const_string "avx")
]
(const_string "*")))
(define_insn "*vec_concatv2sf_sse"
[(set (match_operand:V2SF 0 "register_operand" "=x,x,*y,*y")
(vec_concat:V2SF
(match_operand:SF 1 "nonimmediate_operand" " 0,m, 0, m")
(match_operand:SF 2 "reg_or_0_operand" " x,C,*y, C")))]
"TARGET_SSE"
"@
unpcklps\t{%2, %0|%0, %2}
movss\t{%1, %0|%0, %1}
punpckldq\t{%2, %0|%0, %2}
movd\t{%1, %0|%0, %1}"
[(set_attr "type" "sselog,ssemov,mmxcvt,mmxmov")
(set_attr "mode" "V4SF,SF,DI,DI")])
The movd alternatives only require MMX.
