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From: qu <xianmiao@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc r12-1058] C-SKY: Fix FAIL of gcc.dg/torture/stackalign/builtin-return-2.c. Date: Wed, 26 May 2021 06:37:08 +0000 (GMT) [thread overview] Message-ID: <20210526063708.0F56738515F8@sourceware.org> (raw) https://gcc.gnu.org/g:155d3038c23002581eb29d59ea23e44b3758c6dc commit r12-1058-g155d3038c23002581eb29d59ea23e44b3758c6dc Author: Geng Qi <gengqi@linux.alibaba.com> Date: Fri Apr 30 21:02:37 2021 +0800 C-SKY: Fix FAIL of gcc.dg/torture/stackalign/builtin-return-2.c. gcc/ChangeLog: * config/csky/csky.md (untyped_call): Emit clobber for return registers to mark them used. Diff: --- gcc/config/csky/csky.md | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/gcc/config/csky/csky.md b/gcc/config/csky/csky.md index b980d4c8fcb..f91d851cb2c 100644 --- a/gcc/config/csky/csky.md +++ b/gcc/config/csky/csky.md @@ -3258,6 +3258,10 @@ emit_call_insn (gen_call (operands[0], const0_rtx)); + for (int i = 0; i < XVECLEN (operands[2], 0); i++) + emit_clobber (SET_SRC (XVECEXP (operands[2], 0, i))); + emit_insn (gen_blockage ()); + for (i = 0; i < XVECLEN (operands[2], 0); i++) { rtx set = XVECEXP (operands[2], 0, i);
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