On 4/13/22 20:44, Alex Bennée wrote:
And:
Fixes: b7711471f5 ("target-i386: make xmm_regs 512-bit wide")
Resolves:https://gitlab.com/qemu-project/qemu/-/issues/420
It's not really a bug, beyond the possibility of uninitialized data in
the migration stream. The reporter was probably using a fo
Paolo Bonzini writes:
> The i386 target consolidates all vector registers so that instead of
> XMMReg, YMMReg and ZMMReg structs there is a single ZMMReg that can
> fit all of SSE, AVX and AVX512.
>
> When TCG copies data from and to the SSE registers, it uses the
> full 64-byte width. This is
On Wed, 13 Apr 2022 at 17:09, Paolo Bonzini wrote:
>
> The i386 target consolidates all vector registers so that instead of
> XMMReg, YMMReg and ZMMReg structs there is a single ZMMReg that can
> fit all of SSE, AVX and AVX512.
>
> When TCG copies data from and to the SSE registers, it uses the
>
The i386 target consolidates all vector registers so that instead of
XMMReg, YMMReg and ZMMReg structs there is a single ZMMReg that can
fit all of SSE, AVX and AVX512.
When TCG copies data from and to the SSE registers, it uses the
full 64-byte width. This is not a correctness issue because TCG
