tree 9c2c8e069de1072c4080fea9096dfc83bab91dff
parent 4e33a3b26ca282c6313d3c775622afe77648d859
author Changpeng Fang <changpeng.fang@amd.com> 1777905805 -0700
committer GitHub <noreply@github.com> 1777905805 -0700
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[AMDGPU] Use two v_xor_b32 instructions in fneg v2f32 selection pattern (#195585)

'fneg x'  and 'fadd 0.0, -x' are not strictly identical. For example,
'fneg 0.0' may result in '-0.0' but 'fadd 0.0, -0.0' may not.