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| author | Jeff Law <law@redhat.com> | 2015-09-26 01:42:32 -0600 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2015-09-26 01:42:32 -0600 |
| commit | a0a65802bf1336dcaf72b060bc8a8decf228945a (patch) | |
| tree | 8e0e32825c96450c054224193f16fcb08eb615a4 /gcc | |
| parent | ddec87d98d27536e70f3b7ddbe6a85cd0422cc86 (diff) | |
| download | gcc-a0a65802bf1336dcaf72b060bc8a8decf228945a.zip gcc-a0a65802bf1336dcaf72b060bc8a8decf228945a.tar.gz gcc-a0a65802bf1336dcaf72b060bc8a8decf228945a.tar.bz2 | |
[PATCH] Fix undefined behaviour in SH port
[PATCH] Fix undefined behaviour in SH port
* config/sh/sh.h (CONST_OK_FOR_J16): Fix left shift undefined
behaviour
From-SVN: r228165
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/config/sh/sh.h | 2 |
2 files changed, 4 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6887b14..28c6bf7 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,8 @@ 2015-09-26 Jeff Law <law@redhat.com> + * config/sh/sh.h (CONST_OK_FOR_J16): Fix left shift undefined + behaviour + * config/mips/mips.c (mips_compute_frame_info): Fix left shift undefined behaviour. diff --git a/gcc/config/sh/sh.h b/gcc/config/sh/sh.h index 7aa489d..b18cc1f 100644 --- a/gcc/config/sh/sh.h +++ b/gcc/config/sh/sh.h @@ -1176,7 +1176,7 @@ extern enum reg_class regno_reg_class[FIRST_PSEUDO_REGISTER]; #define CONST_OK_FOR_J16(VALUE) \ ((HOST_BITS_PER_WIDE_INT >= 64 && (VALUE) == (HOST_WIDE_INT) 0xffffffff) \ - || (HOST_BITS_PER_WIDE_INT >= 64 && (VALUE) == (HOST_WIDE_INT) -1 << 32)) + || (HOST_BITS_PER_WIDE_INT >= 64 && (VALUE) == (HOST_WIDE_INT) (HOST_WIDE_INT_M1U << 32))) #define CONST_OK_FOR_K08(VALUE) (((HOST_WIDE_INT)(VALUE))>= 0 \ && ((HOST_WIDE_INT)(VALUE)) <= 255) |