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Re: patch to fix PR80818
- From: Andreas Schwab <schwab at linux-m68k dot org>
- To: Vladimir Makarov <vmakarov at redhat dot com>
- Cc: "gcc-patches\@gcc.gnu.org" <gcc-patches at gcc dot gnu dot org>
- Date: Sun, 03 Dec 2017 00:22:55 +0100
- Subject: Re: patch to fix PR80818
- Authentication-results: sourceware.org; auth=none
- References: <c5cb9cb6-be94-2472-563c-e3234c7bfb70@redhat.com>
On Nov 29 2017, Vladimir Makarov <vmakarov@redhat.com> wrote:
> +2017-11-29 Vladimir Makarov <vmakarov@redhat.com>
> +
> + PR rtl-optimization/80818
> + * lra.c (collect_non_operand_hard_regs): New arg insn. Pass it
> + recursively. Use insn code for clobber.
> + (lra_set_insn_recog_data): Pass the new arg to
> + collect_non_operand_hard_regs.
> + (add_regs_to_insn_regno_info): Pass insn instead of uid. Use insn
> + code for clobber.
> + (lra_update_insn_regno_info): Pass insn to
> + add_regs_to_insn_regno_info.
> +
This causes many regressions on powerpc, for example:
FAIL: gcc.c-torture/compile/pr70240.c -Os (test for excess errors)
Excess errors:
/tmp/cc9usHrI.s:101: Error: address register in load range
/tmp/cc9usHrI.s:143: Error: address register in load range
/tmp/cc9usHrI.s:182: Error: address register in load range
/tmp/cc9usHrI.s:278: Error: address register in load range
/tmp/cc9usHrI.s:296: Error: address register in load range
/tmp/cc9usHrI.s:307: Error: address register in load range
/tmp/cc9usHrI.s:316: Error: address register in load range
Andreas.
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Andreas Schwab, schwab@linux-m68k.org
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