diff options
Diffstat (limited to 'gcc')
| -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. |