Re: [PATCH] x86: Don't align destination for a single instruction

2025-09-15 Thread H.J. Lu
On Sun, Sep 14, 2025 at 11:00 PM Uros Bizjak wrote: > > On Mon, Sep 15, 2025 at 7:57 AM Uros Bizjak wrote: > > > > On Sun, Sep 14, 2025 at 9:14 PM H.J. Lu wrote: > > > > > > If a single instruction can store or move the whole block of memory, use > > > vector instruction and don't align destinat

Re: [PATCH] x86: Don't align destination for a single instruction

2025-09-14 Thread Uros Bizjak
On Sun, Sep 14, 2025 at 9:14 PM H.J. Lu wrote: > > If a single instruction can store or move the whole block of memory, use > vector instruction and don't align destination. > > gcc/ > > PR target/121934 > * config/i386/i386-expand.cc (ix86_expand_set_or_cpymem): If a > sin

Re: [PATCH] x86: Don't align destination for a single instruction

2025-09-14 Thread Uros Bizjak
On Mon, Sep 15, 2025 at 7:57 AM Uros Bizjak wrote: > > On Sun, Sep 14, 2025 at 9:14 PM H.J. Lu wrote: > > > > If a single instruction can store or move the whole block of memory, use > > vector instruction and don't align destination. > > > > gcc/ > > > > PR target/121934 > > * co

[PATCH] x86: Don't align destination for a single instruction

2025-09-14 Thread H.J. Lu
If a single instruction can store or move the whole block of memory, use vector instruction and don't align destination. gcc/ PR target/121934 * config/i386/i386-expand.cc (ix86_expand_set_or_cpymem): If a single instruction can store or move the whole block of memory,