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(parent: c224a0a) | patch
Faster mbtree_propagate asm
authorHolger Lubitz <holger@lubitz.org>
Wed, 9 Jun 2010 11:59:06 +0000 (13:59 +0200)
committerFiona Glaser <fiona@x264.com>
Tue, 15 Jun 2010 09:26:35 +0000 (02:26 -0700)
commit15501e340f0500eedb797390f74e6e35f58ba12e
treeb6389c3086d917dccfa0f237ff99fe7a367ac41btree | snapshot
parentc224a0a5d91fb9115071b4ff075e91d2b3f630e2commit | diff
Faster mbtree_propagate asm
Replace fp division by multiply with the reciprocal.
Only ~12% faster on penryn, but over 80% faster on amd k8.
Also make checkasm slightly more tolerant to rounding error.
common/x86/mc-a2.asm diff | blob | history
tools/checkasm.c diff | blob | history
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