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(parent: c9cc192) | patch
GBE: optimize SUB dst, imm, src1 instruction.
authorZhigang Gong <zhigang.gong@intel.com>
Wed, 14 May 2014 03:21:13 +0000 (11:21 +0800)
committerZhigang Gong <zhigang.gong@intel.com>
Fri, 23 May 2014 11:09:41 +0000 (19:09 +0800)
commit8b6cd119e4267d2acd9b1153a18a31d1fc60dd9a
treea4e192cdea9492ac8dc2776dedb6331e1488f5f9tree | snapshot
parentc9cc192ca00c2cbb43bd72ce733732ce8c2cb874commit | diff
GBE: optimize SUB dst, imm, src1 instruction.

We could easily convert it to SUB dst, -src1, -imm.
Thus we can avoid one LOADI instruction eventually.

Signed-off-by: Zhigang Gong <zhigang.gong@intel.com>
Reviewed-by: "Song, Ruiling" <ruiling.song@intel.com>
backend/src/backend/gen_insn_selection.cpp diff | blob | history
Domain: SCM / Uncategorized;