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| author | Ulrich Weigand <uweigand@de.ibm.com> | 2014-11-13 14:13:53 +0000 |
|---|---|---|
| committer | Ulrich Weigand <uweigand@gcc.gnu.org> | 2014-11-13 14:13:53 +0000 |
| commit | 6fad471b8f1a62c385624bf4cecbd57c397bbe91 (patch) | |
| tree | 7102d4ae066e562a2a933a3a418af9a8bc29187f /gcc | |
| parent | d64ae6140f40859c0e73df7ca597cdf08eb31bd2 (diff) | |
| download | gcc-6fad471b8f1a62c385624bf4cecbd57c397bbe91.zip gcc-6fad471b8f1a62c385624bf4cecbd57c397bbe91.tar.gz gcc-6fad471b8f1a62c385624bf4cecbd57c397bbe91.tar.bz2 | |
optabs.c (prepare_operand): Gracefully fail if the mode of X does not match the operand mode expected by...
* optabs.c (prepare_operand): Gracefully fail if the mode of X
does not match the operand mode expected by the insn pattern.
From-SVN: r217501
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/optabs.c | 5 |
2 files changed, 9 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 0d2f4db..dca1d5a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2014-11-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + + * optabs.c (prepare_operand): Gracefully fail if the mode of X + does not match the operand mode expected by the insn pattern. + 2014-11-13 Richard Biener <rguenther@suse.de> * match.pd: Add tcc_comparison, inverted_tcc_comparison diff --git a/gcc/optabs.c b/gcc/optabs.c index 6278d7d..3376f2d 100644 --- a/gcc/optabs.c +++ b/gcc/optabs.c @@ -4308,9 +4308,12 @@ prepare_operand (enum insn_code icode, rtx x, int opnum, machine_mode mode, if (!insn_operand_matches (icode, opnum, x)) { + machine_mode op_mode = insn_data[(int) icode].operand[opnum].mode; if (reload_completed) return NULL_RTX; - x = copy_to_mode_reg (insn_data[(int) icode].operand[opnum].mode, x); + if (GET_MODE (x) != op_mode && GET_MODE (x) != VOIDmode) + return NULL_RTX; + x = copy_to_mode_reg (op_mode, x); } return x; |