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| author | Jakub Jelinek <jakub@redhat.com> | 2009-05-31 11:36:17 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2009-05-31 11:36:17 +0200 |
| commit | b304194493625d75256821be5d2df6a84aaf6cda (patch) | |
| tree | 76a15a7310e27e6e605e020b7c59514294aa9cb2 | |
| parent | e90e03ce50e7037d75dd366c81485e882e092ec0 (diff) | |
| download | gcc-b304194493625d75256821be5d2df6a84aaf6cda.zip gcc-b304194493625d75256821be5d2df6a84aaf6cda.tar.gz gcc-b304194493625d75256821be5d2df6a84aaf6cda.tar.bz2 | |
re PR middle-end/40304 (Revision 147995 breaks stack unwind)
PR middle-end/40304
* config/i386/i386.c (pro_epilogue_adjust_stack): Mark insns
frame related even if !set_cfa && style < 0.
From-SVN: r148011
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 4 |
2 files changed, 10 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6c28aeb..ef129f5 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2009-05-31 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/40304 + * config/i386/i386.c (pro_epilogue_adjust_stack): Mark insns + frame related even if !set_cfa && style < 0. + 2009-05-30 Kai Tietz <kai.tietz@onevision.com> * config/i386/mingw-tls.c: New file. diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index bf7fa0c..c6b388f 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -8026,6 +8026,8 @@ pro_epilogue_adjust_stack (rtx dest, rtx src, rtx offset, gcc_assert (style); r11 = gen_rtx_REG (DImode, R11_REG); insn = emit_insn (gen_rtx_SET (DImode, r11, offset)); + if (style < 0) + RTX_FRAME_RELATED_P (insn) = 1; insn = emit_insn (gen_pro_epilogue_adjust_stack_rex64_2 (dest, src, r11, offset)); } @@ -8043,6 +8045,8 @@ pro_epilogue_adjust_stack (rtx dest, rtx src, rtx offset, add_reg_note (insn, REG_CFA_ADJUST_CFA, r); RTX_FRAME_RELATED_P (insn) = 1; } + else if (style < 0) + RTX_FRAME_RELATED_P (insn) = 1; } /* Find an available register to be used as dynamic realign argument |