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| author | Jeffrey A Law <law@cygnus.com> | 1998-05-29 00:50:16 +0000 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1998-05-28 18:50:16 -0600 |
| commit | d3903c22d54559908a790f1aa257a20c783aea91 (patch) | |
| tree | 2b4baed9c1988440f8c4b3cd91c6a5e0413e63d2 | |
| parent | 1541dfa56c7e44b8d2f817c2ceb76bfef5a68054 (diff) | |
| download | gcc-d3903c22d54559908a790f1aa257a20c783aea91.zip gcc-d3903c22d54559908a790f1aa257a20c783aea91.tar.gz gcc-d3903c22d54559908a790f1aa257a20c783aea91.tar.bz2 | |
gcse.c (pre_delete): Fix code to determine the mode of the reaching pseudo register.
* gcse.c (pre_delete): Fix code to determine the mode of
the reaching pseudo register.
From-SVN: r20134
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/gcse.c | 12 |
2 files changed, 12 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b29b6c0..85dad03 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Fri May 29 01:48:25 1998 Jeffrey A Law (law@cygnus.com) + + * gcse.c (pre_delete): Fix code to determine the mode of + the reaching pseudo register. + Fri May 29 01:07:28 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE> * Makefile.in (GEN): Add gencheck @@ -4548,15 +4548,17 @@ pre_delete () if (TEST_BIT (ppin, indx)) { - /* Create a pseudo-reg to store the result of reaching - expressions into. */ - if (expr->reaching_reg == NULL) - expr->reaching_reg = gen_reg_rtx (GET_MODE (expr->expr)); - set = single_set (insn); if (! set) abort (); + /* Create a pseudo-reg to store the result of reaching + expressions into. Get the mode for the new pseudo + from the mode of the original destination pseudo. */ + if (expr->reaching_reg == NULL) + expr->reaching_reg + = gen_reg_rtx (GET_MODE (SET_DEST (set))); + /* In theory this should never fail since we're creating a reg->reg copy. |