GCC build of HEAD failed for native with your patch on 2005-06-30T19:46:29Z.

[Geoffrey Keating]

"GCC regression checker" <geoffk@apple.com> writes:

I expect that this:

> With your recent patch, GCC HEAD does not compile on:
>  native

> build/genmodes -h > tmp-modes.h
> make[2]: *** [s-modes] Error 138

is due to this patch:

> +2005-06-30  Jakub Jelinek  <jakub@redhat.com>
> +
> +	* function.c (stack_protect_epilogue): Pass label to
> +	stack_protect_test, assume it emitted also the conditional
> +	branch.
> +	* doc/md.texi (stack_protect_test): Adjust documentation.
> +	* config/i386/i386.md (stack_protect_test): Add third argument,
> +	emit beq with operands[2].
> +	* config/rs6000/rs6000.h (FRAME_GROWS_DOWNWARD): Define to
> +	flag_stack_protect != 0.
> +	* config/rs6000/rs6000.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
> +	constants.
> +	(stack_protect_set, stack_protect_test): New expanders.
> +	(stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
> +	stack_protect_testdi): New insns.
> +	* config/rs6000/rs6000.c (rs6000_stack_protect_fail): New function.
> +	(TARGET_STACK_PROTECT_FAIL): Define.
> +	(rs6000_generate_compare): Handle UNSPEC_SP_TEST.
> +
> +	* config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Increment.
> +	(DWARF_FRAME_REGISTERS, DWARF_REG_TO_UNWIND_COLUMN): Adjust, so
> +	that addition of sfp doesn't change these.
> +	(FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
> +	REG_ALLOC_ORDER): Add sfp.
> +	(INT_REGNO_P): Include FRAME_POINTER_REGNUM.
> +	(FRAME_POINTER_REGNUM): Define to 113.
> +	(HARD_FRAME_POINTER_REGNUM): Define to 31.
> +	(REG_CLASS_CONTENTS, REGNO_REG_CLASS): Add sfp.
> +	(STARTING_FRAME_OFFSET): Set to 0 for FRAME_GROWS_DOWNWARD.
> +	(ELIMINABLE_REGS): Never eliminate to
> +	FRAME_POINTER_REGNUM, but HARD_FRAME_POINTER_REGNUM
> +	instead.  Add eliminations from FRAME_POINTER_REGNUM.
> +	(REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P):
> +	Include FRAME_POINTER_REGNUM.
> +	(REGISTER_NAMES): Add sfp.
> +	* config/rs6000/rs6000.c (rs6000_reg_names): Add sfp.
> +	(alt_reg_names): Likewise.
> +	(rs6000_stack_info): Handle FRAME_GROWS_DOWNWARD.
> +	(rs6000_emit_prologue): Use HARD_FRAME_POINTER_REGNUM
> +	instead of FRAME_POINTER_REGNUM.
> +	(rs6000_initial_elimination_offset): Never eliminate to
> +	FRAME_POINTER_REGNUM, but HARD_FRAME_POINTER_REGNUM
> +	instead.  Add elimination offsets from FRAME_POINTER_REGNUM.
> +
> +	* config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Only return non-zero
> +	if DEFAULT_ABI == ABI_V4.