From e13b3dfdeea77ac62a65c4afc710190ef413c9f8 Mon Sep 17 00:00:00 2001 From: Richard Sandiford Date: Fri, 2 May 2014 15:35:33 +0000 Subject: [PATCH] hwint.h (zext_hwi): Fix signed overflow for prec == 63. gcc/ * hwint.h (zext_hwi): Fix signed overflow for prec == 63. From-SVN: r210006 --- gcc/ChangeLog | 4 ++++ gcc/hwint.h | 2 +- 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 69342eb..738dee3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2014-05-02 Richard Sandiford + + * hwint.h (zext_hwi): Fix signed overflow for prec == 63. + 2014-05-02 Alan Lawrence * config/aarch64/aarch64.c (aarch64_expand_vec_perm_1): Tidy bit-flip diff --git a/gcc/hwint.h b/gcc/hwint.h index 229fb94..ac9c9a2 100644 --- a/gcc/hwint.h +++ b/gcc/hwint.h @@ -344,7 +344,7 @@ zext_hwi (unsigned HOST_WIDE_INT src, unsigned int prec) else { gcc_checking_assert (prec < HOST_BITS_PER_WIDE_INT); - return src & (((HOST_WIDE_INT) 1 << prec) - 1); + return src & (((unsigned HOST_WIDE_INT) 1 << prec) - 1); } } -- 2.7.4