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Bug #2413

closed

%ymm* need to be preserved on way through PLT

Added by Rich Lowe over 9 years ago. Updated over 9 years ago.

Status:
Resolved
Priority:
Normal
Category:
lib - userland libraries
Start date:
2012-03-16
Due date:
% Done:

100%

Estimated time:
Difficulty:
Hard
Tags:
Gerrit CR:

Description

On systems supporting AVX, we need to preserve the %ymm registers in elf_rtbndr as we currently do with %xmm, to prevent anything called as part of the journey through the PLT corrupting the upper 128 bits of any arguments passed in those registers.


Related issues

Related to illumos gate - Feature #533: RFE: Need support for Intel x86 "Advanced Vector Extensions" (="AVX") instructionsNew2010-12-16

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