Mesa (main): r300: Remove unused RC_OPCODE_SFL

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Module: Mesa
Branch: main
Commit: 9312bfb5fb05f8b641eb6360a2af38d946b873ae
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=9312bfb5fb05f8b641eb6360a2af38d946b873ae

Author: Emma Anholt <emma at anholt.net>
Date:   Wed Dec  8 12:28:43 2021 -0800

r300: Remove unused RC_OPCODE_SFL

Nothing generates it in the backend.

Reviewed-by: Adam Jackson <ajax at redhat.com>
Reviewed-by: Marek Olšák <marek.olsak at amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14211>

---

 src/gallium/drivers/r300/compiler/radeon_opcodes.c     |  7 -------
 src/gallium/drivers/r300/compiler/radeon_opcodes.h     |  3 ---
 src/gallium/drivers/r300/compiler/radeon_program_alu.c | 11 +----------
 3 files changed, 1 insertion(+), 20 deletions(-)

diff --git a/src/gallium/drivers/r300/compiler/radeon_opcodes.c b/src/gallium/drivers/r300/compiler/radeon_opcodes.c
index a0357a0dc6a..b448b904bc1 100644
--- a/src/gallium/drivers/r300/compiler/radeon_opcodes.c
+++ b/src/gallium/drivers/r300/compiler/radeon_opcodes.c
@@ -260,13 +260,6 @@ const struct rc_opcode_info rc_opcodes[MAX_RC_OPCODE] = {
 		.HasDstReg = 1,
 		.IsComponentwise = 1
 	},
-	{
-		.Opcode = RC_OPCODE_SFL,
-		.Name = "SFL",
-		.NumSrcRegs = 0,
-		.HasDstReg = 1,
-		.IsComponentwise = 1
-	},
 	{
 		.Opcode = RC_OPCODE_SGE,
 		.Name = "SGE",
diff --git a/src/gallium/drivers/r300/compiler/radeon_opcodes.h b/src/gallium/drivers/r300/compiler/radeon_opcodes.h
index 0a0995e106e..b48bf115874 100644
--- a/src/gallium/drivers/r300/compiler/radeon_opcodes.h
+++ b/src/gallium/drivers/r300/compiler/radeon_opcodes.h
@@ -140,9 +140,6 @@ typedef enum {
 	/** vec4 instruction: dst.c = (src0.c == src1.c) ? 1.0 : 0.0 */
 	RC_OPCODE_SEQ,
 
-	/** vec4 instruction: dst.c = 0.0 */
-	RC_OPCODE_SFL,
-
 	/** vec4 instruction: dst.c = (src0.c >= src1.c) ? 1.0 : 0.0 */
 	RC_OPCODE_SGE,
 
diff --git a/src/gallium/drivers/r300/compiler/radeon_program_alu.c b/src/gallium/drivers/r300/compiler/radeon_program_alu.c
index 6b7a282e093..5090216b986 100644
--- a/src/gallium/drivers/r300/compiler/radeon_program_alu.c
+++ b/src/gallium/drivers/r300/compiler/radeon_program_alu.c
@@ -481,13 +481,6 @@ static void transform_SEQ(struct radeon_compiler* c,
 	rc_remove_instruction(inst);
 }
 
-static void transform_SFL(struct radeon_compiler* c,
-	struct rc_instruction* inst)
-{
-	emit1(c, inst->Prev, RC_OPCODE_MOV, &inst->U.I, inst->U.I.DstReg, builtin_zero);
-	rc_remove_instruction(inst);
-}
-
 static void transform_SGE(struct radeon_compiler* c,
 	struct rc_instruction* inst)
 {
@@ -598,7 +591,7 @@ static void transform_SUB(struct radeon_compiler* c,
  * no userData necessary.
  *
  * Eliminates the following ALU instructions:
- *  CEIL, DPH, DST, FLR, LIT, LRP, POW, SEQ, SFL, SGE, SGT, SLE, SLT, SNE, SUB
+ *  CEIL, DPH, DST, FLR, LIT, LRP, POW, SEQ, SGE, SGT, SLE, SLT, SNE, SUB
  * using:
  *  MOV, ADD, MUL, MAD, FRC, DP3, LG2, EX2, CMP
  *
@@ -624,7 +617,6 @@ int radeonTransformALU(
 	case RC_OPCODE_ROUND: transform_ROUND(c, inst); return 1;
 	case RC_OPCODE_RSQ: transform_RSQ(c, inst); return 1;
 	case RC_OPCODE_SEQ: transform_SEQ(c, inst); return 1;
-	case RC_OPCODE_SFL: transform_SFL(c, inst); return 1;
 	case RC_OPCODE_SGE: transform_SGE(c, inst); return 1;
 	case RC_OPCODE_SGT: transform_SGT(c, inst); return 1;
 	case RC_OPCODE_SLE: transform_SLE(c, inst); return 1;
@@ -857,7 +849,6 @@ int r300_transform_vertex_alu(
 			return 1;
 		}
 		return 0;
-	case RC_OPCODE_SFL: transform_SFL(c, inst); return 1;
 	case RC_OPCODE_SGT: transform_r300_vertex_SGT(c, inst); return 1;
 	case RC_OPCODE_SLE: transform_r300_vertex_SLE(c, inst); return 1;
 	case RC_OPCODE_SNE: