Recent gcc snapshots fail with the following testcase: > cat bug.c double log(double x); void f() { unsigned char a = log(0); }
> gcc -march=athlon-xp -mfpmath=sse bug.c bug.c: In function 'f': bug.c:2: error: unrecognizable insn: (insn 11 10 12 3 (set (reg:SI 61) (fix:SI (reg:DF 58 [ D.1820 ]))) -1 (nil) (nil)) bug.c:2: internal compiler error: in extract_insn, at recog.c:2108 -- Summary: ICE with -march=athlon-xp -mfpmath=sse Product: gcc Version: 4.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: wouter dot vermaelen at pi dot be http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30757