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Emulator Issues #2

closed

Use pshufb to improve speed of paired single load/store instructions

Added by hrydgard almost 16 years ago.

Status:
Fixed
Priority:
Low
Assignee:
Category:
JIT
% Done:

0%

Operating system:
N/A
Issue type:
Feature request
Milestone:
Regression:
No
Relates to usability:
No
Relates to performance:
No
Easy:
No
Relates to maintainability:
No
Regression start:
Fixed in:

Description

pshufb, available from SSSE3, and sped up in SSE4, could help out
performance a lot for these instructions.

It could perhaps also be applied for byteswapping vertex data in the gfx
plugin.

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