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| author | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-09-26 07:38:29 +0000 |
|---|---|---|
| committer | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-09-26 07:38:29 +0000 |
| commit | f86cb0d4d76a77ec1261f9d61d353313cb21e122 (patch) | |
| tree | 891ec5a9c2990de99e7c43635be50e2e1262bfb4 | |
| parent | 6759b0576ae1f474749cc901e0e3d5679f546251 (diff) | |
| download | gcc-f86cb0d4d76a77ec1261f9d61d353313cb21e122.tar.gz | |
[PATCH] Fix undefined behaviour in mips port
* config/mips/mips.c (mips_compute_frame_info): Fix left shift
undefined behaviour.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@228164 138bc75d-0d04-0410-961f-82ee72b054a4
| -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 98c1bd9c913..6887b14fde3 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 0e0ecf232d9..456db08d5f0 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. */ |