sergiotarxz
/
libvips
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

enable vec for 16/32-bit int add

This commit is contained in:
John Cupitt 2010-11-05 14:48:44 +00:00
parent 526590d244
commit a52d9736d2
1 changed files with 1 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
libvips/arithmetic/im_add.c
View File

@ -408,13 +408,6 @@ build_programs( void )
vips_vector_asm2( v, "convsbw", "t2", "s2" ); vips_vector_asm2( v, "convsbw", "t2", "s2" );
vips_vector_asm3( v, "addw", "d1", "t1", "t2" ); vips_vector_asm3( v, "addw", "d1", "t1", "t2" );
/*
only the 8-bit ones have a useful speedup, with orc-0.4.11
on a c2d anyway
test this again at some point I guess
v = add_vectors[IM_BANDFMT_USHORT]; v = add_vectors[IM_BANDFMT_USHORT];
vips_vector_asm2( v, "convuwl", "t1", "s1" ); vips_vector_asm2( v, "convuwl", "t1", "s1" );
vips_vector_asm2( v, "convuwl", "t2", "s2" ); vips_vector_asm2( v, "convuwl", "t2", "s2" );
@ -430,7 +423,6 @@ build_programs( void )
v = add_vectors[IM_BANDFMT_INT]; v = add_vectors[IM_BANDFMT_INT];
vips_vector_asm3( v, "addl", "d1", "s1", "s2" ); vips_vector_asm3( v, "addl", "d1", "s1", "s2" );
*/
im__compile_programs( add_vectors ); im__compile_programs( add_vectors );
} }
@ -511,7 +503,7 @@ build_programs( void )
* In other words, the output type is just large enough to hold the whole * In other words, the output type is just large enough to hold the whole
* range of possible values. * range of possible values.
* *
* Operations on 8-bit images are performed using the processor's vector unit, * Operations on integer images are performed using the processor's vector unit,
* if possible. Disable this with --vips-novector or IM_NOVECTOR. * if possible. Disable this with --vips-novector or IM_NOVECTOR.
* *
* See also: im_subtract(), im_lintra(). * See also: im_subtract(), im_lintra().