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i965: Add support for emitting the LRP instruction.

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Like MAD, this is another three-source instruction.

Reviewed-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Kenneth Graunke 2012-12-01 21:49:43 -08:00 • committed by Matt Turner
parent af2c64063e
commit 015a48743d
4 changed files with 4 additions and 0 deletions
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1
src/mesa/drivers/dri/i965/brw_defines.h
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@ -685,6 +685,7 @@ enum opcode {
BRW_OPCODE_LINE = 89,
BRW_OPCODE_PLN = 90,
BRW_OPCODE_MAD = 91,
BRW_OPCODE_LRP = 92,
BRW_OPCODE_NOP = 126,
/* These are compiler backend opcodes that get translated into other

1
src/mesa/drivers/dri/i965/brw_disasm.c
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@ -50,6 +50,7 @@ const struct opcode_desc opcode_descs[128] = {
[BRW_OPCODE_LINE] = { .name = "line", .nsrc = 2, .ndst = 1 },
[BRW_OPCODE_PLN] = { .name = "pln", .nsrc = 2, .ndst = 1 },
[BRW_OPCODE_MAD] = { .name = "mad", .nsrc = 3, .ndst = 1 },
[BRW_OPCODE_LRP] = { .name = "lrp", .nsrc = 3, .ndst = 1 },
[BRW_OPCODE_SAD2] = { .name = "sad2", .nsrc = 2, .ndst = 1 },
[BRW_OPCODE_SADA2] = { .name = "sada2", .nsrc = 2, .ndst = 1 },
[BRW_OPCODE_DP4] = { .name = "dp4", .nsrc = 2, .ndst = 1 },

1
src/mesa/drivers/dri/i965/brw_eu.h
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@ -175,6 +175,7 @@ ALU2(DP2)
ALU2(LINE)
ALU2(PLN)
ALU3(MAD)
ALU3(LRP)
ROUND(RNDZ)
ROUND(RNDE)

1
src/mesa/drivers/dri/i965/brw_eu_emit.c
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@ -924,6 +924,7 @@ ALU2(DP2)
ALU2(LINE)
ALU2(PLN)
ALU3(MAD)
ALU3(LRP)
ROUND(RNDZ)
ROUND(RNDE)