[Bug inline-asm/59155] New: ICE: in reg_overlap_mentioned_p, at rtlanal.c:1473
glisse at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Sat Nov 16 20:10:00 GMT 2013
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59155
Bug ID: 59155
Summary: ICE: in reg_overlap_mentioned_p, at rtlanal.c:1473
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: inline-asm
Assignee: unassigned at gcc dot gnu.org
Reporter: glisse at gcc dot gnu.org
Target: x86_64-unknown-linux-gnu
double f(double x){
asm volatile("":"+X"(x));
return x;
}
double g(double x,double y){
return f(f(x)+f(y));
}
compiled with -O2:
a.c: In function 'g':
a.c:7:1: internal compiler error: in reg_overlap_mentioned_p, at rtlanal.c:1473
}
^
0x967015 reg_overlap_mentioned_p(rtx_def const*, rtx_def const*)
/data/repos/gcc/pristine/gcc/rtlanal.c:1473
0x7cde02 match_asm_constraints_1
/data/repos/gcc/pristine/gcc/function.c:7164
0x7cdfda rest_of_match_asm_constraints
/data/repos/gcc/pristine/gcc/function.c:7207
0x7cdfda execute
/data/repos/gcc/pristine/gcc/function.c:7239
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