diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2021-08-26 12:04:46 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2021-10-28 20:55:07 -0700 |
| commit | 57fe5c6df21c05af11435b2ed426a42ee3345298 (patch) | |
| tree | ad89dde9ce08308cdc99f128fd71fc7e2f25286a /scripts/qapi/main.py | |
| parent | 267c17e8252fd70b311871f3e936eb7cdf4abb51 (diff) | |
| download | focaccia-qemu-57fe5c6df21c05af11435b2ed426a42ee3345298.tar.gz focaccia-qemu-57fe5c6df21c05af11435b2ed426a42ee3345298.zip | |
tcg/optimize: Optimize sign extensions
Certain targets, like riscv, produce signed 32-bit results. This can lead to lots of redundant extensions as values are manipulated. Begin by tracking only the obvious sign-extensions, and converting them to simple copies when possible. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Luis Pires <luis.pires@eldorado.org.br> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'scripts/qapi/main.py')
0 files changed, 0 insertions, 0 deletions