diff options
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/combine.c | 6 | ||||
| -rw-r--r-- | gcc/simplify-rtx.c | 2 |
3 files changed, 13 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9f8b613..8dc545e 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2001-01-24 DJ Delorie <dj@redhat.com> + + * combine.c (combine_simplify_rtx): If the modes are all VOIDmode, + check the original operand's mode also. + * simplify-rtx.c (simplify_ternary_operation): Ditto. + 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk> * c-parse.in (cast_expr): Move compound literals from here ... diff --git a/gcc/combine.c b/gcc/combine.c index 6028f6a..8d7c9cc 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -3654,7 +3654,11 @@ combine_simplify_rtx (x, op0_mode, last, in_dest) { enum machine_mode cmp_mode = GET_MODE (XEXP (x, 0)); if (cmp_mode == VOIDmode) - cmp_mode = GET_MODE (XEXP (x, 1)); + { + cmp_mode = GET_MODE (XEXP (x, 1)); + if (cmp_mode == VOIDmode) + cmp_mode = op0_mode; + } temp = simplify_relational_operation (code, cmp_mode, XEXP (x, 0), XEXP (x, 1)); } diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c index 9b0f798..82bb8e4 100644 --- a/gcc/simplify-rtx.c +++ b/gcc/simplify-rtx.c @@ -2057,6 +2057,8 @@ simplify_ternary_operation (code, mode, op0_mode, op0, op1, op2) enum machine_mode cmp_mode = (GET_MODE (XEXP (op0, 0)) == VOIDmode ? GET_MODE (XEXP (op0, 1)) : GET_MODE (XEXP (op0, 0))); + if (cmp_mode == VOIDmode) + cmp_mode = op0_mode; rtx temp = simplify_relational_operation (GET_CODE (op0), cmp_mode, XEXP (op0, 0), XEXP (op0, 1)); |