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r300: Remove unused RC_OPCODE_SWZ. 

Nothing generates it in the backend.

Reviewed-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14211>
This commit is contained in:
Emma Anholt 2021-12-08 12:21:11 -08:00 committed by Marge Bot
parent a982d0baf3
commit 9ed55c0c15
3 changed files with 1 additions and 19 deletions
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7
src/gallium/drivers/r300/compiler/radeon_opcodes.c
View File

@ -330,13 +330,6 @@ const struct rc_opcode_info rc_opcodes[MAX_RC_OPCODE] = {
.HasDstReg = 1,
.IsComponentwise = 1
},
{
.Opcode = RC_OPCODE_SWZ,
.Name = "SWZ",
.NumSrcRegs = 1,
.HasDstReg = 1,
.IsComponentwise = 1
},
{
.Opcode = RC_OPCODE_TRUNC,
.Name = "TRUNC",

3
src/gallium/drivers/r300/compiler/radeon_opcodes.h
View File

@ -170,9 +170,6 @@ typedef enum {
/** vec4 instruction: dst.c = src0.c - src1.c */
RC_OPCODE_SUB,
/** vec4 instruction: dst.c = src0.c */
RC_OPCODE_SWZ,
/** vec4 instruction: dst.c = (abs(src0.c) - fract(abs(src0.c))) * sgn(src0.c) */
RC_OPCODE_TRUNC,

10
src/gallium/drivers/r300/compiler/radeon_program_alu.c
View File

@ -609,18 +609,12 @@ static void transform_SUB(struct radeon_compiler* c,
inst->U.I.SrcReg[1] = negate(inst->U.I.SrcReg[1]);
}
static void transform_SWZ(struct radeon_compiler* c,
struct rc_instruction* inst)
{
inst->U.I.Opcode = RC_OPCODE_MOV;
}
/**
* Can be used as a transformation for @ref radeonClauseLocalTransform,
* no userData necessary.
*
* Eliminates the following ALU instructions:
* CEIL, DPH, DST, FLR, LIT, LRP, POW, SEQ, SFL, SGE, SGT, SLE, SLT, SNE, SUB, SWZ
* CEIL, DPH, DST, FLR, LIT, LRP, POW, SEQ, SFL, SGE, SGT, SLE, SLT, SNE, SUB
* using:
* MOV, ADD, MUL, MAD, FRC, DP3, LG2, EX2, CMP
*
@ -655,7 +649,6 @@ int radeonTransformALU(
case RC_OPCODE_SNE: transform_SNE(c, inst); return 1;
case RC_OPCODE_SSG: transform_SSG(c, inst); return 1;
case RC_OPCODE_SUB: transform_SUB(c, inst); return 1;
case RC_OPCODE_SWZ: transform_SWZ(c, inst); return 1;
case RC_OPCODE_TRUNC: transform_TRUNC(c, inst); return 1;
default:
return 0;
@ -893,7 +886,6 @@ int r300_transform_vertex_alu(
return 0;
case RC_OPCODE_SSG: transform_r300_vertex_SSG(c, inst); return 1;
case RC_OPCODE_SUB: transform_SUB(c, inst); return 1;
case RC_OPCODE_SWZ: transform_SWZ(c, inst); return 1;
case RC_OPCODE_TRUNC: transform_vertex_TRUNC(c, inst); return 1;
default:
return 0;