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Victor Stinner wrote:

| Here is my first patch for Nouveau project: a fix for 3D software
| rendering using SSE2 instruction set.
|
| The problem is that Gallium doesn't save/restore used registers (eax,
| edx, ecx, esi in my case). So I added push/pop in tgsi_emit_sse2().

Doesn't the ABI say that those are scratch registers?  That is, they
don't need to be saved by the callee.

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