tcg/optimize: Use fold_xi_to_x for mul
commit5b5cf47983c37d4c49eb2b8449bc62a7d3d76dbc
authorRichard Henderson <richard.henderson@linaro.org>
Mon, 25 Oct 2021 18:19:14 +0000 (25 11:19 -0700)
committerRichard Henderson <richard.henderson@linaro.org>
Fri, 29 Oct 2021 03:55:07 +0000 (28 20:55 -0700)
tree056f864319589165c29129903191be12f211289f
parent4e858d96aa3997113014a31afabcf95fb36d2860
tcg/optimize: Use fold_xi_to_x for mul

Recognize the identity function for low-part multiply.

Suggested-by: Luis Pires <luis.pires@eldorado.org.br>
Reviewed-by: Luis Pires <luis.pires@eldorado.org.br>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
tcg/optimize.c