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| author | Richard Sandiford <richard.sandiford@linaro.org> | 2017-09-21 11:06:48 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2017-09-21 11:06:48 +0000 |
| commit | 2e89be4857edfbbcfcca261079c868d70341feb1 (patch) | |
| tree | ee231ccdf565d1f70e11d3f988284a4572f8f0ff | |
| parent | 4a77e8874709d7848e4216c59089ccce756f228e (diff) | |
| download | gcc-2e89be4857edfbbcfcca261079c868d70341feb1.zip gcc-2e89be4857edfbbcfcca261079c868d70341feb1.tar.gz gcc-2e89be4857edfbbcfcca261079c868d70341feb1.tar.bz2 | |
Fix unguarded uses of tree_to_uhwi
This patch uses tree_fits_uhwi_p to protect a previously unguarded
use of tree_to_uhwi. Previously we would ICE for variable-sized types.
2017-09-20 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
gcc/
* tree.c (find_atomic_core_type): Check tree_fits_uhwi_p before
calling tree_to_uhwi.
Co-Authored-By: Alan Hayward <alan.hayward@arm.com>
Co-Authored-By: David Sherwood <david.sherwood@arm.com>
From-SVN: r253057
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/tree.c | 5 |
2 files changed, 9 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6f2f3d7..a8d78c7 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -2,6 +2,13 @@ Alan Hayward <alan.hayward@arm.com> David Sherwood <david.sherwood@arm.com> + * tree.c (find_atomic_core_type): Check tree_fits_uhwi_p before + calling tree_to_uhwi. + +2017-09-21 Richard Sandiford <richard.sandiford@linaro.org> + Alan Hayward <alan.hayward@arm.com> + David Sherwood <david.sherwood@arm.com> + * tree-ssa-ccp.c (get_value_for_expr): Use a positive test for INTEGER_CST rather than a negative test for ADDR_EXPR. @@ -5821,11 +5821,10 @@ find_atomic_core_type (tree type) tree base_atomic_type; /* Only handle complete types. */ - if (TYPE_SIZE (type) == NULL_TREE) + if (!tree_fits_uhwi_p (TYPE_SIZE (type))) return NULL_TREE; - HOST_WIDE_INT type_size = tree_to_uhwi (TYPE_SIZE (type)); - switch (type_size) + switch (tree_to_uhwi (TYPE_SIZE (type))) { case 8: base_atomic_type = atomicQI_type_node; |