diff options
Diffstat (limited to 'gcc/simplify-rtx.c')
| -rw-r--r-- | gcc/simplify-rtx.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c index 3c5da5e9aeb..c773900c405 100644 --- a/gcc/simplify-rtx.c +++ b/gcc/simplify-rtx.c @@ -640,6 +640,9 @@ simplify_unary_operation_1 (enum rtx_code code, enum machine_mode mode, rtx op) break; case FLOAT_TRUNCATE: + if (DECIMAL_FLOAT_MODE_P (mode)) + break; + /* (float_truncate:SF (float_extend:DF foo:SF)) = foo:SF. */ if (GET_CODE (op) == FLOAT_EXTEND && GET_MODE (XEXP (op, 0)) == mode) @@ -693,6 +696,9 @@ simplify_unary_operation_1 (enum rtx_code code, enum machine_mode mode, rtx op) break; case FLOAT_EXTEND: + if (DECIMAL_FLOAT_MODE_P (mode)) + break; + /* (float_extend (float_extend x)) is (float_extend x) (float_extend (float x)) is (float x) assuming that double @@ -4284,6 +4290,7 @@ simplify_immed_subreg (enum machine_mode outermode, rtx op, break; case MODE_FLOAT: + case MODE_DECIMAL_FLOAT: { REAL_VALUE_TYPE r; long tmp[max_bitsize / 32]; |
