[x86, PATCH] More effecient code for short unsigned conversion to float-point.

[Yuri Rumyantsev]

Hi All,

Here is simple fix which produces more optimal code unsigned
char(short) to float(double) with direct rtl-generation.

Bootstrapping and regression testing were successful for x86-64.

Is it OK for trunk?

ChangeLog:

2013-08-06  Yuri Rumyantsev  <ysrum...@gmail.com>

* config/i386/i386.md (floatunssi<mode>2 expand): Add support
for QI/HImode operand to produce more effecient code for
unsigned char(short) --> float(double) conversion.

i386-short-uns-conversion-to-fp.patch
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