[cairo] [PATCH] Rely less on FPU for common matrix funcs.
a.g.nienhuis at gmail.com
Wed Jun 2 04:31:38 PDT 2010
Are FP values always normalized in RAM? I mean can 0.0 be stored as 0.0E1
and would memcmp still work?
On Wed, Jun 2, 2010 at 1:04 PM, Jonathan Morton
<jonathan.morton at movial.com>wrote:
> Revised patch attached.
> This one uses the slightly dirtier (and faster) method for
> It also replaces cairo_matrix_init_identity() with a straight copy from
> a global constant reference (it becomes a series of load/store-multiple
> instructions). This reduces it's substantial contribution to our
> profile by about half.
> From: Jonathan Morton
> jonathan.morton at movial.com
> cairo mailing list
> cairo at cairographics.org
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