Re: [PATCH 1/5] target/hppa: Fix unaligned double word accesses for hppa64

2024-03-02 Thread Helge Deller
On 3/3/24 03:10, Richard Henderson wrote: On 3/2/24 12:35, del...@kernel.org wrote: From: Guenter Roeck Unaligned 64-bit accesses were found in Linux to clobber carry bits, resulting in bad results if an arithmetic operation involving a carry bit was executed after an unaligned 64-bit operatio

Re: [PATCH 1/5] target/hppa: Fix unaligned double word accesses for hppa64

2024-03-02 Thread Richard Henderson
On 3/2/24 12:35, del...@kernel.org wrote: From: Guenter Roeck Unaligned 64-bit accesses were found in Linux to clobber carry bits, resulting in bad results if an arithmetic operation involving a carry bit was executed after an unaligned 64-bit operation. hppa 2.0 defines additional carry bits

[PATCH 1/5] target/hppa: Fix unaligned double word accesses for hppa64

2024-03-02 Thread deller
From: Guenter Roeck Unaligned 64-bit accesses were found in Linux to clobber carry bits, resulting in bad results if an arithmetic operation involving a carry bit was executed after an unaligned 64-bit operation. hppa 2.0 defines additional carry bits in PSW register bits 32..39. When restoring