Re: GCC does not optimize well enough with vectors on bitshift

2025-03-11 Thread Qwert Nerdish via Gcc
Correct link is https://godbolt.org/z/GfeTobMvs On Mon, Mar 10, 2025 at 4:45 PM Qwert Nerdish wrote: > On this godbolt link at https://godbolt.org/z/GfeTobMvs, the two C source > codes behave identical. > Yet the second source code does not use vectors and is 30% slower when I > tested it. >

GCC does not optimize well enough with vectors on bitshift

2025-03-11 Thread Qwert Nerdish via Gcc
On this godbolt link at https://godbolt.org/z/GfeTobMvs, the two C source codes behave identical. Yet the second source code does not use vectors and is 30% slower when I tested it.