diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2009-04-30 00:16:19 (GMT) |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2009-05-14 12:50:29 (GMT) |
| commit | 0b54352600b820a6d25f151cbd8975ed9b2aeb09 (patch) | |
| tree | a98536daeb5afab2eda0c8ba31cf5ac4da2eebaa /arch | |
| parent | 5c5dd1d29120affb127955277bfba9f60e27a3fe (diff) | |
| download | linux-0b54352600b820a6d25f151cbd8975ed9b2aeb09.tar.xz | |
MIPS: Fix sign-extension bug in 32-bit kernel on 32-bit hardware.
Probably nobody does arithmetic on cp0 register values so this has never
bitten.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/include/asm/mipsregs.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h index 0ef30c8..32ef8be 100644 --- a/arch/mips/include/asm/mipsregs.h +++ b/arch/mips/include/asm/mipsregs.h @@ -728,8 +728,8 @@ do { \ ".set\tmips64\n\t" \ "dmfc0\t%M0, " #source "\n\t" \ "dsll\t%L0, %M0, 32\n\t" \ - "dsrl\t%M0, %M0, 32\n\t" \ - "dsrl\t%L0, %L0, 32\n\t" \ + "dsra\t%M0, %M0, 32\n\t" \ + "dsra\t%L0, %L0, 32\n\t" \ ".set\tmips0" \ : "=r" (__val)); \ else \ @@ -737,8 +737,8 @@ do { \ ".set\tmips64\n\t" \ "dmfc0\t%M0, " #source ", " #sel "\n\t" \ "dsll\t%L0, %M0, 32\n\t" \ - "dsrl\t%M0, %M0, 32\n\t" \ - "dsrl\t%L0, %L0, 32\n\t" \ + "dsra\t%M0, %M0, 32\n\t" \ + "dsra\t%L0, %L0, 32\n\t" \ ".set\tmips0" \ : "=r" (__val)); \ local_irq_restore(__flags); \ |