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tcg/i386: Optimize cmpsel with constant 0 operand 3.

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These can be simplified to and/andc, avoiding the load of
the zero into a register.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2024-09-06 22:01:12 -07:00
parent e58b977238
commit d8387f0ee0
3 changed files with 27 additions and 8 deletions
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2
tcg/i386/tcg-target-con-set.h
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@ -50,7 +50,7 @@ C_N1_I2(r, r, r)
C_N1_I2(r, r, rW)
C_O1_I3(x, 0, x, x)
C_O1_I3(x, x, x, x)
C_O1_I4(x, x, x, x, x)
C_O1_I4(x, x, x, xO, x)
C_O1_I4(r, r, reT, r, 0)
C_O1_I4(r, r, r, ri, ri)
C_O2_I1(r, r, L)