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| author | John Darrington <john@darrington.wattle.id.au> | 2019-07-09 19:11:27 +0000 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2019-07-09 13:11:27 -0600 |
| commit | 4faba5c3bc37c0bfceec6b254d76c5d0b3e2fe8b (patch) | |
| tree | 0f006e571ca7dd5b2e173aa6d0e651ef24ab61e4 /gcc | |
| parent | 99b1c316ec974a39bdd949f8559bb28861b69592 (diff) | |
| download | gcc-4faba5c3bc37c0bfceec6b254d76c5d0b3e2fe8b.zip gcc-4faba5c3bc37c0bfceec6b254d76c5d0b3e2fe8b.tar.gz gcc-4faba5c3bc37c0bfceec6b254d76c5d0b3e2fe8b.tar.bz2 | |
simplify-rtx.c (simplify_unary_operation_1): Use GET_MODE_PRECISION rather than GET_MODE_BITSIZE to better handle partial...
2019-07-09 John Darrington <john@darrington.wattle.id.au>
* simplify-rtx.c (simplify_unary_operation_1): Use GET_MODE_PRECISION
rather than GET_MODE_BITSIZE to better handle partial integer modes.
From-SVN: r273312
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/simplify-rtx.c | 8 |
2 files changed, 9 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3872b6d..2061c1b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2019-07-09 John Darrington <john@darrington.wattle.id.au> + + * simplify-rtx.c (simplify_unary_operation_1): Use GET_MODE_PRECISION + rather than GET_MODE_BITSIZE to better handle partial integer modes. + 2019-07-09 Michael Meissner <meissner@linux.ibm.com> * config/rs6000/rs6000-internal.h (create_TOC_reference): Delete. diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c index dd2acd4..4892c49 100644 --- a/gcc/simplify-rtx.c +++ b/gcc/simplify-rtx.c @@ -1504,12 +1504,12 @@ simplify_unary_operation_1 (enum rtx_code code, machine_mode mode, rtx op) && CONST_INT_P (XEXP (op, 1)) && XEXP (XEXP (op, 0), 1) == XEXP (op, 1) && (op_mode = as_a <scalar_int_mode> (GET_MODE (op)), - GET_MODE_BITSIZE (op_mode) > INTVAL (XEXP (op, 1)))) + GET_MODE_PRECISION (op_mode) > INTVAL (XEXP (op, 1)))) { scalar_int_mode tmode; - gcc_assert (GET_MODE_BITSIZE (int_mode) - > GET_MODE_BITSIZE (op_mode)); - if (int_mode_for_size (GET_MODE_BITSIZE (op_mode) + gcc_assert (GET_MODE_PRECISION (int_mode) + > GET_MODE_PRECISION (op_mode)); + if (int_mode_for_size (GET_MODE_PRECISION (op_mode) - INTVAL (XEXP (op, 1)), 1).exists (&tmode)) { rtx inner = |