diff options
| author | Bernd Schmidt <bernds@codesourcery.com> | 2014-11-04 15:25:45 +0000 |
|---|---|---|
| committer | Bernd Schmidt <bernds@gcc.gnu.org> | 2014-11-04 15:25:45 +0000 |
| commit | bf42f4fd591f016a02916a7ff624e5d57e8731fa (patch) | |
| tree | 93b619eab4f0d9fa2de2d6cef2a2c5b209e0785c /gcc | |
| parent | ed2b2162d0b3953789156bae4e1ece1a7991e305 (diff) | |
| download | gcc-bf42f4fd591f016a02916a7ff624e5d57e8731fa.zip gcc-bf42f4fd591f016a02916a7ff624e5d57e8731fa.tar.gz gcc-bf42f4fd591f016a02916a7ff624e5d57e8731fa.tar.bz2 | |
Fix up mode confusion in combine_simplify_rtx.
The surrounding code was already fixed back when BImode was added.
* combine.c (combine_simplify_rtx): In STORE_FLAG_VALUE == -1 case,
also verify that mode is equal to the mode of op0.
From-SVN: r217089
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/combine.c | 9 |
2 files changed, 8 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e5f0c46..c6d729f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,8 @@ 2014-11-04 Bernd Schmidt <bernds@codesourcery.com> + * combine.c (combine_simplify_rtx): In STORE_FLAG_VALUE == -1 case, + also verify that mode is equal to the mode of op0. + * bb-reorder.c (get_uncond_jump_length): Avoid using delete_insn, emit into a sequence instead. diff --git a/gcc/combine.c b/gcc/combine.c index 40f2875..e240cfb 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -5811,10 +5811,11 @@ combine_simplify_rtx (rtx x, machine_mode op0_mode, int in_dest, ; else if (STORE_FLAG_VALUE == -1 - && new_code == NE && GET_MODE_CLASS (mode) == MODE_INT - && op1 == const0_rtx - && (num_sign_bit_copies (op0, mode) - == GET_MODE_PRECISION (mode))) + && new_code == NE && GET_MODE_CLASS (mode) == MODE_INT + && op1 == const0_rtx + && mode == GET_MODE (op0) + && (num_sign_bit_copies (op0, mode) + == GET_MODE_PRECISION (mode))) return gen_lowpart (mode, expand_compound_operation (op0)); |