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| author | Roger Sayle <roger@eyesopen.com> | 2006-06-12 02:10:24 +0000 |
|---|---|---|
| committer | Roger Sayle <sayle@gcc.gnu.org> | 2006-06-12 02:10:24 +0000 |
| commit | 4119019bd756f9c97cbb0a0133371cf0cdd7f436 (patch) | |
| tree | 36cefbde6ef807e5ec40c30f0895a96486d5e1be /gcc | |
| parent | 0972012c8a44748910e97ce6346de845237e2533 (diff) | |
| download | gcc-4119019bd756f9c97cbb0a0133371cf0cdd7f436.zip gcc-4119019bd756f9c97cbb0a0133371cf0cdd7f436.tar.gz gcc-4119019bd756f9c97cbb0a0133371cf0cdd7f436.tar.bz2 | |
re PR target/27858 (ICE in spill_failure, at reload1.c:1911while bootstrapping 4.2 on alpha)
PR target/27858
Revert incorrect fix for PR target/27158
2006-05-08 Roger Sayle <roger@eyesopen.com>
* reload.c (find_reloads_toplev): Only return the simplified SUBREG
of a reg_equiv_constant if the result is a legitimate constant.
From-SVN: r114559
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/reload.c | 6 |
2 files changed, 10 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 0e14efc..41d4405 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,13 @@ 2006-06-11 Roger Sayle <roger@eyesopen.com> + PR target/27858 + Revert incorrect fix for PR target/27158 + 2006-05-08 Roger Sayle <roger@eyesopen.com> + * reload.c (find_reloads_toplev): Only return the simplified SUBREG + of a reg_equiv_constant if the result is a legitimate constant. + +2006-06-11 Roger Sayle <roger@eyesopen.com> + PR target/27158 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to extract a CONST_VECTOR element and interpret it as an integer. diff --git a/gcc/reload.c b/gcc/reload.c index 6ce1871..616a737 100644 --- a/gcc/reload.c +++ b/gcc/reload.c @@ -4572,8 +4572,7 @@ find_reloads_toplev (rtx x, int opnum, enum reload_type type, && reg_renumber[regno] < 0 && reg_equiv_constant[regno] != 0 && (tem = gen_lowpart_common (GET_MODE (x), - reg_equiv_constant[regno])) != 0 - && LEGITIMATE_CONSTANT_P (tem)) + reg_equiv_constant[regno])) != 0) return tem; if (regno >= FIRST_PSEUDO_REGISTER @@ -4584,8 +4583,7 @@ find_reloads_toplev (rtx x, int opnum, enum reload_type type, simplify_gen_subreg (GET_MODE (x), reg_equiv_constant[regno], GET_MODE (SUBREG_REG (x)), SUBREG_BYTE (x)); gcc_assert (tem); - if (LEGITIMATE_CONSTANT_P (tem)) - return tem; + return tem; } /* If the subreg contains a reg that will be converted to a mem, |