https://gcc.gnu.org/bugzilla/show_bug.cgi?id=17958
Martin Sebor <msebor at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed|2007-07-02 21:30:35 |2016-1-27 CC| |msebor at gcc dot gnu.org Known to fail| |4.8.3, 4.9.3, 5.3.0, 6.0 --- Comment #3 from Martin Sebor <msebor at gcc dot gnu.org> --- It doesn't look like the patch referenced in comment #2 was ever committed and the 32-bit code still emits a call to __divdi3, not just on powerpc but also on x86_64. This affects all still supported GCC versions. $ cat ~/tmp/t.c && /build/gcc-trunk/gcc/xgcc -B /build/gcc-trunk/gcc -O2 -S -Wall -Wextra -Wpedantic -m32 -o/dev/stdout ~/tmp/t.c long long div10(long long n) { return n / 10; } .file "t.c" .machine power4 .globl __divdi3 .section ".text" .align 2 .p2align 4,,15 .globl div10 .type div10, @function div10: stwu 1,-16(1) li 5,0 mflr 0 li 6,10 stw 0,20(1) bl __divdi3 lwz 0,20(1) addi 1,1,16 mtlr 0 blr .size div10,.-div10 .ident "GCC: (GNU) 6.0.0 20160125 (experimental)" .section .note.GNU-stack,"",@progbits