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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
This commit is contained in:
Jakub Jelinek 2009-05-31 11:36:17 +02:00 committed by Jakub Jelinek
parent e90e03ce50
commit b304194493
2 changed files with 10 additions and 0 deletions
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6
gcc/ChangeLog
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@ -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.

4
gcc/config/i386/i386.c
View File

@ -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