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| author | Magnus Lång <[email protected]> | 2016-11-13 11:12:24 +0100 |
|---|---|---|
| committer | Magnus Lång <[email protected]> | 2016-11-16 17:22:04 +0100 |
| commit | 40b7dc3ce63999a6e8d40c20a098de6d85676aeb (patch) | |
| tree | 9ccb1538024162f9512fed031016f3640c525290 /lib/hipe/icode/hipe_icode_ssa_const_prop.erl | |
| parent | e98df8fac977350b56319df621c65a823bfe86f4 (diff) | |
| download | otp-40b7dc3ce63999a6e8d40c20a098de6d85676aeb.tar.gz otp-40b7dc3ce63999a6e8d40c20a098de6d85676aeb.tar.bz2 otp-40b7dc3ce63999a6e8d40c20a098de6d85676aeb.zip | |
hipe_tagscheme: x86 lea+test for mask_and_compare
By changing mask_and_compare from and,sub to sub,and, x86 can use a
3-address LEA immediate add, saving a mov. The RISC backends should see
no change in sequence length.
We make test_(heap_|sub)binary use mask_and_compare so they will benefit
too.
Diffstat (limited to 'lib/hipe/icode/hipe_icode_ssa_const_prop.erl')
0 files changed, 0 insertions, 0 deletions