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[Qemu-devel] [PATCH 0/4] arm: Avoid shifting left into sign bit
From: |
Peter Maydell |
Subject: |
[Qemu-devel] [PATCH 0/4] arm: Avoid shifting left into sign bit |
Date: |
Fri, 21 Feb 2014 13:06:44 +0000 |
Four simple patches which correct situations where we shift left
into the sign bit of a signed integer type, which is undefined
behaviour in C. These are by no means the only examples (even
restricted to ARM board code; try "grep '1 << 31'"), but I'm
vaguely aiming for "get 'make check' to not emit any clang
-fsanitize=undefined warnings".
Peter Maydell (4):
pxa2xx: Don't shift into sign bit
hw/arm/omap1.c: Avoid shifting left into sign bit
hw/ssi/xilinx_spips.c: Avoid shifting left into sign bit
hw/arm/musicpal: Avoid shifting left into sign bit
hw/arm/musicpal.c | 4 ++--
hw/arm/omap1.c | 24 ++++++++++++++----------
hw/arm/pxa2xx.c | 6 +++---
hw/arm/pxa2xx_gpio.c | 2 +-
hw/arm/pxa2xx_pic.c | 4 ++--
hw/ssi/xilinx_spips.c | 4 ++--
6 files changed, 24 insertions(+), 20 deletions(-)
--
1.8.5
- [Qemu-devel] [PATCH 0/4] arm: Avoid shifting left into sign bit,
Peter Maydell <=