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| author | Jan Hubicka <jh@suse.cz> | 2003-04-18 01:31:41 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2003-04-17 23:31:41 +0000 |
| commit | 04c5580f371b08c0cccb05a520b69097512e3f62 (patch) | |
| tree | 0bb84f63ed128b54b740a46b5532d57a1116b085 /gcc/emit-rtl.c | |
| parent | c409ea0d30ef28e68ff6b4fcb699ba013ee947f1 (diff) | |
| download | gcc-04c5580f371b08c0cccb05a520b69097512e3f62.zip gcc-04c5580f371b08c0cccb05a520b69097512e3f62.tar.gz gcc-04c5580f371b08c0cccb05a520b69097512e3f62.tar.bz2 | |
emit-rtl.c (subreg_hard_regno): Check that register is representable.
* emit-rtl.c (subreg_hard_regno): Check that register is representable.
* reload.c (reload_inner_reg_of_subreg): When register is not
representable, reload the whole thing.
(find_reloads): Likewsie.
* rtlanal.c (subreg_representable_p): New function.
* profile.c (compute_branch_probabilities): Cleanup sanity checking;
allow negative probabilities for edges from the call to exit.
(branch_prob): Do not add fake edges for functions that may return twice
From-SVN: r65757
Diffstat (limited to 'gcc/emit-rtl.c')
| -rw-r--r-- | gcc/emit-rtl.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index 058100c..7048aee 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -1081,7 +1081,11 @@ subreg_hard_regno (x, check_mode) abort (); if (check_mode && ! HARD_REGNO_MODE_OK (base_regno, GET_MODE (reg))) abort (); - +#ifdef ENABLE_CHECKING + if (!subreg_offset_representable_p (REGNO (reg), GET_MODE (reg), + SUBREG_BYTE (x), mode)) + abort (); +#endif /* Catch non-congruent offsets too. */ byte_offset = SUBREG_BYTE (x); if ((byte_offset % GET_MODE_SIZE (mode)) != 0) |