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| author | Jeff Law <law@redhat.com> | 2015-09-26 01:38:29 -0600 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2015-09-26 01:38:29 -0600 |
| commit | ddec87d98d27536e70f3b7ddbe6a85cd0422cc86 (patch) | |
| tree | 891ec5a9c2990de99e7c43635be50e2e1262bfb4 | |
| parent | c4362b608bdaaa5b7b326bd60116040b38b0dbdd (diff) | |
| download | gcc-ddec87d98d27536e70f3b7ddbe6a85cd0422cc86.zip gcc-ddec87d98d27536e70f3b7ddbe6a85cd0422cc86.tar.gz gcc-ddec87d98d27536e70f3b7ddbe6a85cd0422cc86.tar.bz2 | |
[PATCH] Fix undefined behaviour in mips port
[PATCH] Fix undefined behaviour in mips port
* config/mips/mips.c (mips_compute_frame_info): Fix left shift
undefined behaviour.
From-SVN: r228164
| -rw-r--r-- | gcc/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/config/mips/mips.c | 2 |
2 files changed, 4 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 98c1bd9..6887b14 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,8 @@ 2015-09-26 Jeff Law <law@redhat.com> + * config/mips/mips.c (mips_compute_frame_info): Fix left shift + undefined behaviour. + * config/cris/cris.md (asrandb): Fix left shift undefined behaviour. (asrandw): Likewise. diff --git a/gcc/config/mips/mips.c b/gcc/config/mips/mips.c index 0e0ecf2..456db08 100644 --- a/gcc/config/mips/mips.c +++ b/gcc/config/mips/mips.c @@ -10572,7 +10572,7 @@ mips_compute_frame_info (void) if (mips_save_reg_p (regno)) { frame->num_fp += MAX_FPRS_PER_FMT; - frame->fmask |= ~(~0 << MAX_FPRS_PER_FMT) << (regno - FP_REG_FIRST); + frame->fmask |= ~(~0U << MAX_FPRS_PER_FMT) << (regno - FP_REG_FIRST); } /* Move above the FPR save area. */ |