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i965: Reorganize brw_reg fields.

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Put fields that are meaningless with an immediate in the same storage
with the immediate. This leaves fields type, file, nr, subnr in the
first dword where there's now extra room for expansion.

Reviewed-by: Emil Velikov <emil.velikov@collabora.co.uk>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Matt Turner 2015-10-23 12:17:03 -07:00
parent e42fb0c2a6
commit 977df90d65
1 changed files with 8 additions and 8 deletions
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16
src/mesa/drivers/dri/i965/brw_reg.h
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@ -237,18 +237,18 @@ struct brw_reg {
unsigned subnr:5; /* :1 in align16 */
unsigned negate:1; /* source only */
unsigned abs:1; /* source only */
unsigned vstride:4; /* source only */
unsigned width:3; /* src only, align1 only */
unsigned hstride:2; /* align1 only */
unsigned address_mode:1; /* relative addressing, hopefully! */
unsigned pad0:1;
unsigned pad0:10;
union {
struct {
unsigned swizzle:8; /* src only, align16 only */
unsigned writemask:4; /* dest only, align16 only */
int indirect_offset:10; /* relative addressing offset */
unsigned pad1:10; /* two dwords total */
unsigned vstride:4; /* source only */
unsigned width:3; /* src only, align1 only */
unsigned hstride:2; /* align1 only */
unsigned pad1:1;
};
float f;
@ -357,9 +357,6 @@ brw_reg(unsigned file,
reg.subnr = subnr * type_sz(type);
reg.negate = negate;
reg.abs = abs;
reg.vstride = vstride;
reg.width = width;
reg.hstride = hstride;
reg.address_mode = BRW_ADDRESS_DIRECT;
reg.pad0 = 0;
@ -372,6 +369,9 @@ brw_reg(unsigned file,
reg.swizzle = swizzle;
reg.writemask = writemask;
reg.indirect_offset = 0;
reg.vstride = vstride;
reg.width = width;
reg.hstride = hstride;
reg.pad1 = 0;
return reg;
}