Etienne Lorrain <[EMAIL PROTECTED]> writes: > powerpc-eabi-gcc -Wall -W -O2 -g -fno-strict-aliasing -ffunction-sections > -fdata-sections -fno-schedule-insns -std=gnu99 -fcall-used-cr2 > -fcall-used-cr3 -fcall-used-cr4 -Xassembler -mregnames ... *.c > > ../net/src/net_dbg.c:668: error: Attempt to delete prologue/epilogue insn: > (insn 238 237 239 22 ../net/src/net_dbg.c:668 (set (reg:SI 12 12) > (mem:SI (plus:SI (reg/f:SI 1 1) > (const_int 12 [0xc])) [0 S4 A8])) -1 (nil) > (nil)) > ../net/src/net_dbg.c:668: internal compiler error: in propagate_one_insn, at > flow.c:1699 > Please submit a full bug report, > with preprocessed source if appropriate. > See <URL:http://gcc.gnu.org/bugs.html> for instructions.
Looks like the code in rs6000_stack_info in config/rs6000/rs6000.c does not consider the possibility of the -fcall-used option. It checks regs_ever_live without checking call_used_regs. I don't have a solution to suggest, other than patching the compiler. Ian
