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| author | Jakub Jelinek <jakub@redhat.com> | 2009-12-21 17:32:44 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2009-12-21 17:32:44 +0100 |
| commit | dcc1e1fab49e2b2d000b22f0053c0ffe53c44b14 (patch) | |
| tree | 72b4a917e97d1d4beed7033890296db23fc20002 /gcc/reload.c | |
| parent | 938a483f0d2d55bdb68b5f435750c22e5f6d0b95 (diff) | |
| download | gcc-dcc1e1fab49e2b2d000b22f0053c0ffe53c44b14.zip gcc-dcc1e1fab49e2b2d000b22f0053c0ffe53c44b14.tar.gz gcc-dcc1e1fab49e2b2d000b22f0053c0ffe53c44b14.tar.bz2 | |
re PR rtl-optimization/42429 (Miscompilation of 2fish on s390)
PR rtl-optimization/42429
* reload.c (find_reloads_subreg_address): When adjusting mode of
MEM, update also MEM_SIZE if it is set.
From-SVN: r155374
Diffstat (limited to 'gcc/reload.c')
| -rw-r--r-- | gcc/reload.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/reload.c b/gcc/reload.c index 97c6bac..4601b4a 100644 --- a/gcc/reload.c +++ b/gcc/reload.c @@ -6149,6 +6149,9 @@ find_reloads_subreg_address (rtx x, int force_replace, int opnum, PUT_MODE (tem, GET_MODE (x)); if (MEM_OFFSET (tem)) set_mem_offset (tem, plus_constant (MEM_OFFSET (tem), offset)); + if (MEM_SIZE (tem) + && INTVAL (MEM_SIZE (tem)) != (HOST_WIDE_INT) outer_size) + set_mem_size (tem, GEN_INT (outer_size)); /* If this was a paradoxical subreg that we replaced, the resulting memory must be sufficiently aligned to allow |