tcg/optimize: Split out fold_xx_to_x
commitca7bb049a0250890afd4dd0e66f10b8a4d51715c
authorRichard Henderson <richard.henderson@linaro.org>
Wed, 25 Aug 2021 20:14:21 +0000 (25 13:14 -0700)
committerRichard Henderson <richard.henderson@linaro.org>
Thu, 28 Oct 2021 00:11:22 +0000 (27 17:11 -0700)
tree9613c2d2b53d5daab975c3bbac5b7f68ee6b57e5
parentcbe42fb2f22b9adb8b78374f6ff4ca5f58807208
tcg/optimize: Split out fold_xx_to_x

Pull the "op r, a, a => mov r, a" optimization into a function,
and use it in the outer opcode fold functions.

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