diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index a82cc353cfd..e47ced1bb70 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -3915,9 +3915,9 @@ ;; Possible store forwarding (partial memory) stall in alternatives 4, 6 and 7. (define_insn "*movdf_internal" [(set (match_operand:DF 0 "nonimmediate_operand" - "=Yf*f,m ,Yf*f,?r ,!o,?*r ,!o,!o,?r,?m,?r,?r,v,v,v,m,*x,*x,*x,m ,r ,v,r ,o ,r ,m") + "=Yf*f,m ,Yf*f,?r ,!o,?*r ,!o,!o,?r,?m,?r,?r,v,v,v,m,*x,*x,*x,m ,?r,?v,r ,o ,r ,m") (match_operand:DF 1 "general_operand" - "Yf*fm,Yf*f,G ,roF,r ,*roF,*r,F ,rm,rC,C ,F ,C,v,m,v,C ,*x,m ,*x,v,r ,roF,rF,rmF,rC"))] + "Yf*fm,Yf*f,G ,roF,r ,*roF,*r,F ,rm,rC,C ,F ,C,v,m,v,C ,*x,m ,*x, v, r,roF,rF,rmF,rC"))] "!(MEM_P (operands[0]) && MEM_P (operands[1])) && (lra_in_progress || reload_completed || !CONST_DOUBLE_P (operands[1]) diff --git a/gcc/testsuite/gcc.target/i386/pr110170-3.c b/gcc/testsuite/gcc.target/i386/pr110170-3.c new file mode 100644 index 00000000000..70daa89e9aa --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr110170-3.c @@ -0,0 +1,11 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -fno-if-conversion -fno-if-conversion2" } */ +/* { dg-final { scan-assembler-not {(?n)movq.*r} } } */ + +void __cond_swap(double* __x, double* __y) { + _Bool __r = (*__x < *__y); + double __tmp = __r ? *__x : *__y; + *__y = __r ? *__y : *__x; + *__x = __tmp; +} +