| commit | bea3dcc9d5b1de69dc5b18ad8490716b924294a3 | |
| author | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Wed, 3 Jan 2018 21:25:10 +0000 (3 21:25 +0000) | ||
| committer | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Wed, 3 Jan 2018 21:25:10 +0000 (3 21:25 +0000) | ||
| tree | b9a574fdad7d1e20dfd6905d89379d0a719e9370 | treesnapshot (tar.gz zip) |
| parent | 41e610339807335dcb72c8f796167f7bb6ce7147 | commitdiff |
PR target/83641
* config/i386/i386.c (ix86_adjust_stack_and_probe_stack_clash): For
noreturn probe, use gen_pop instead of ix86_emit_restore_reg_using_pop,
only set RTX_FRAME_RELATED_P on both the push and pop if cfa_reg is sp
and add REG_CFA_ADJUST_CFA notes in that case to both insns.
PR target/83641
* config/i386/i386.c (ix86_adjust_stack_and_probe_stack_clash): Do not
explicitly probe *sp in a noreturn function if there were any callee
register saves or frame pointer is needed.
PR target/83641
* gcc.target/i386/stack-check-17.c: New test.
* gcc.target/i386/stack-check-12.c: Drop unnecessary asm.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@256191 138bc75d-0d04-0410-961f-82ee72b054a4
* config/i386/i386.c (ix86_adjust_stack_and_probe_stack_clash): For
noreturn probe, use gen_pop instead of ix86_emit_restore_reg_using_pop,
only set RTX_FRAME_RELATED_P on both the push and pop if cfa_reg is sp
and add REG_CFA_ADJUST_CFA notes in that case to both insns.
PR target/83641
* config/i386/i386.c (ix86_adjust_stack_and_probe_stack_clash): Do not
explicitly probe *sp in a noreturn function if there were any callee
register saves or frame pointer is needed.
PR target/83641
* gcc.target/i386/stack-check-17.c: New test.
* gcc.target/i386/stack-check-12.c: Drop unnecessary asm.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@256191 138bc75d-0d04-0410-961f-82ee72b054a4