From: Nathan Froyd Date: Tue, 5 Apr 2011 18:36:15 +0000 (+0000) Subject: fix compilation on AUTO_INC_DEC targets X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3fb7c0552c37364112b0d777a22983ab4f66a4f7;p=gcc.git fix compilation on AUTO_INC_DEC targets fix compilation on AUTO_INC_DEC targets * combine.c (combine_instructions) [AUTO_INC_DEC]: Declare links as an rtx. (try_combine) [AUTO_INC_DEC]: Declare a local link rtx. From-SVN: r171995 --- diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d38c54986e9..b7ae95a83aa 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2011-04-05 Nathan Froyd + + * combine.c (combine_instructions) [AUTO_INC_DEC]: Declare links + as an rtx. + (try_combine) [AUTO_INC_DEC]: Declare a local link rtx. + 2011-04-05 Steven Bosscher PR middle-end/48441 diff --git a/gcc/combine.c b/gcc/combine.c index 30b7fdd041d..3e4a38c0a46 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -1139,6 +1139,8 @@ combine_instructions (rtx f, unsigned int nregs) FOR_BB_INSNS (this_basic_block, insn) if (INSN_P (insn) && BLOCK_FOR_INSN (insn)) { + rtx links; + subst_low_luid = DF_INSN_LUID (insn); subst_insn = insn; @@ -2911,15 +2913,18 @@ try_combine (rtx i3, rtx i2, rtx i1, rtx i0, int *new_direct_jump_p) /* It's not the exception. */ #endif #ifdef AUTO_INC_DEC - for (link = REG_NOTES (i3); link; link = XEXP (link, 1)) - if (REG_NOTE_KIND (link) == REG_INC - && (reg_overlap_mentioned_p (XEXP (link, 0), PATTERN (i2)) - || (i1 != 0 - && reg_overlap_mentioned_p (XEXP (link, 0), PATTERN (i1))))) - { - undo_all (); - return 0; - } + { + rtx link; + for (link = REG_NOTES (i3); link; link = XEXP (link, 1)) + if (REG_NOTE_KIND (link) == REG_INC + && (reg_overlap_mentioned_p (XEXP (link, 0), PATTERN (i2)) + || (i1 != 0 + && reg_overlap_mentioned_p (XEXP (link, 0), PATTERN (i1))))) + { + undo_all (); + return 0; + } + } #endif /* See if the SETs in I1 or I2 need to be kept around in the merged