1 files changed, 0 insertions, 294 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_nqssadce.c b/src/mesa/drivers/dri/r300/compiler/radeon_nqssadce.c
deleted file mode 100644
index aaaa50ad1f..0000000000
--- a/src/mesa/drivers/dri/r300/compiler/radeon_nqssadce.c
+++ /dev/null
@@ -1,294 +0,0 @@
-/*
- * Copyright (C) 2008 Nicolai Haehnle.
- *
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sublicense, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial
- * portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
- * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
- * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-/**
- * @file
- *
- * "Not-quite SSA" and Dead-Code Elimination.
- *
- * @note This code uses SWIZZLE_NIL in a source register to indicate that
- * the corresponding component is ignored by the corresponding instruction.
- */
-
-#include "radeon_nqssadce.h"
-
-#include "radeon_compiler.h"
-
-
-/**
- * Return the @ref register_state for the given register (or 0 for untracked
- * registers, i.e. constants).
- */
-static struct register_state *get_reg_state(struct nqssadce_state* s, GLuint file, GLuint index)
-{
-	switch(file) {
-	case PROGRAM_TEMPORARY: return &s->Temps[index];
-	case PROGRAM_OUTPUT: return &s->Outputs[index];
-	case PROGRAM_ADDRESS: return &s->Address;
-	default: return 0;
-	}
-}
-
-
-/**
- * Left multiplication of a register with a swizzle
- *
- * @note Works correctly only for X, Y, Z, W swizzles, not for constant swizzles.
- */
-struct prog_src_register lmul_swizzle(GLuint swizzle, struct prog_src_register srcreg)
-{
-	struct prog_src_register tmp = srcreg;
-	int i;
-	tmp.Swizzle = 0;
-	tmp.Negate = NEGATE_NONE;
-	for(i = 0; i < 4; ++i) {
-		GLuint swz = GET_SWZ(swizzle, i);
-		if (swz < 4) {
-			tmp.Swizzle |= GET_SWZ(srcreg.Swizzle, swz) << (i*3);
-			tmp.Negate |= GET_BIT(srcreg.Negate, swz) << i;
-		} else {
-			tmp.Swizzle |= swz << (i*3);
-		}
-	}
-	return tmp;
-}
-
-
-static void track_used_srcreg(struct nqssadce_state* s,
-	GLint src, GLuint sourced)
-{
-	struct prog_instruction * inst = &s->IP->I;
-	int i;
-	GLuint deswz_source = 0;
-
-	for(i = 0; i < 4; ++i) {
-		if (GET_BIT(sourced, i)) {
-			GLuint swz = GET_SWZ(inst->SrcReg[src].Swizzle, i);
-			deswz_source |= 1 << swz;
-		} else {
-			inst->SrcReg[src].Swizzle &= ~(7 << (3*i));
-			inst->SrcReg[src].Swizzle |= SWIZZLE_NIL << (3*i);
-		}
-	}
-
-	if (!s->Descr->IsNativeSwizzle(inst->Opcode, inst->SrcReg[src])) {
-		struct prog_dst_register dstreg = inst->DstReg;
-		dstreg.File = PROGRAM_TEMPORARY;
-		dstreg.Index = rc_find_free_temporary(s->Compiler);
-		dstreg.WriteMask = sourced;
-
-		s->Descr->BuildSwizzle(s, dstreg, inst->SrcReg[src]);
-
-		inst->SrcReg[src].File = PROGRAM_TEMPORARY;
-		inst->SrcReg[src].Index = dstreg.Index;
-		inst->SrcReg[src].Swizzle = 0;
-		inst->SrcReg[src].Negate = NEGATE_NONE;
-		inst->SrcReg[src].Abs = 0;
-		for(i = 0; i < 4; ++i) {
-			if (GET_BIT(sourced, i))
-				inst->SrcReg[src].Swizzle |= i << (3*i);
-			else
-				inst->SrcReg[src].Swizzle |= SWIZZLE_NIL << (3*i);
-		}
-		deswz_source = sourced;
-	}
-
-	struct register_state *regstate;
-
-	if (inst->SrcReg[src].RelAddr) {
-		regstate = get_reg_state(s, PROGRAM_ADDRESS, 0);
-		if (regstate)
-			regstate->Sourced |= WRITEMASK_X;
-	} else {
-		regstate = get_reg_state(s, inst->SrcReg[src].File, inst->SrcReg[src].Index);
-		if (regstate)
-			regstate->Sourced |= deswz_source & 0xf;
-	}
-}
-
-static void unalias_srcregs(struct rc_instruction *inst, GLuint oldindex, GLuint newindex)
-{
-	int nsrc = _mesa_num_inst_src_regs(inst->I.Opcode);
-	int i;
-	for(i = 0; i < nsrc; ++i)
-		if (inst->I.SrcReg[i].File == PROGRAM_TEMPORARY && inst->I.SrcReg[i].Index == oldindex)
-			inst->I.SrcReg[i].Index = newindex;
-}
-
-static void unalias_temporary(struct nqssadce_state* s, GLuint oldindex)
-{
-	GLuint newindex = rc_find_free_temporary(s->Compiler);
-	struct rc_instruction * inst;
-	for(inst = s->Compiler->Program.Instructions.Next; inst != s->IP; inst = inst->Next) {
-		if (inst->I.DstReg.File == PROGRAM_TEMPORARY && inst->I.DstReg.Index == oldindex)
-			inst->I.DstReg.Index = newindex;
-		unalias_srcregs(inst, oldindex, newindex);
-	}
-	unalias_srcregs(s->IP, oldindex, newindex);
-}
-
-
-/**
- * Handle one instruction.
- */
-static void process_instruction(struct nqssadce_state* s)
-{
-	struct prog_instruction *inst = &s->IP->I;
-	GLuint WriteMask;
-
-	if (inst->Opcode == OPCODE_END)
-		return;
-
-	if (inst->Opcode != OPCODE_KIL) {
-		struct register_state *regstate = get_reg_state(s, inst->DstReg.File, inst->DstReg.Index);
-		if (!regstate) {
-			rc_error(s->Compiler, "NqssaDce: bad destination register (%i[%i])\n",
-				inst->DstReg.File, inst->DstReg.Index);
-			return;
-		}
-
-		inst->DstReg.WriteMask &= regstate->Sourced;
-		regstate->Sourced &= ~inst->DstReg.WriteMask;
-
-		if (inst->DstReg.WriteMask == 0) {
-			struct rc_instruction * inst_remove = s->IP;
-			s->IP = s->IP->Prev;
-			rc_remove_instruction(inst_remove);
-			return;
-		}
-
-		if (inst->DstReg.File == PROGRAM_TEMPORARY && !regstate->Sourced)
-			unalias_temporary(s, inst->DstReg.Index);
-	}
-
-	WriteMask = inst->DstReg.WriteMask;
-
-	switch (inst->Opcode) {
-	case OPCODE_ARL:
-	case OPCODE_DDX:
-	case OPCODE_DDY:
-	case OPCODE_FRC:
-	case OPCODE_MOV:
-		track_used_srcreg(s, 0, WriteMask);
-		break;
-	case OPCODE_ADD:
-	case OPCODE_MAX:
-	case OPCODE_MIN:
-	case OPCODE_MUL:
-	case OPCODE_SGE:
-	case OPCODE_SLT:
-		track_used_srcreg(s, 0, WriteMask);
-		track_used_srcreg(s, 1, WriteMask);
-		break;
-	case OPCODE_CMP:
-	case OPCODE_MAD:
-		track_used_srcreg(s, 0, WriteMask);
-		track_used_srcreg(s, 1, WriteMask);
-		track_used_srcreg(s, 2, WriteMask);
-		break;
-	case OPCODE_COS:
-	case OPCODE_EX2:
-	case OPCODE_LG2:
-	case OPCODE_RCP:
-	case OPCODE_RSQ:
-	case OPCODE_SIN:
-		track_used_srcreg(s, 0, 0x1);
-		break;
-	case OPCODE_DP3:
-		track_used_srcreg(s, 0, 0x7);
-		track_used_srcreg(s, 1, 0x7);
-		break;
-	case OPCODE_DP4:
-		track_used_srcreg(s, 0, 0xf);
-		track_used_srcreg(s, 1, 0xf);
-		break;
-	case OPCODE_KIL:
-	case OPCODE_TEX:
-	case OPCODE_TXB:
-	case OPCODE_TXP:
-		track_used_srcreg(s, 0, 0xf);
-		break;
-	case OPCODE_DST:
-		track_used_srcreg(s, 0, 0x6);
-		track_used_srcreg(s, 1, 0xa);
-		break;
-	case OPCODE_EXP:
-	case OPCODE_LOG:
-	case OPCODE_POW:
-		track_used_srcreg(s, 0, 0x3);
-		break;
-	case OPCODE_LIT:
-		track_used_srcreg(s, 0, 0xb);
-		break;
-	default:
-		rc_error(s->Compiler, "NqssaDce: Unknown opcode %d\n", inst->Opcode);
-		return;
-	}
-
-	s->IP = s->IP->Prev;
-}
-
-void rc_calculate_inputs_outputs(struct radeon_compiler * c)
-{
-	struct rc_instruction *inst;
-
-	c->Program.InputsRead = 0;
-	c->Program.OutputsWritten = 0;
-
-	for(inst = c->Program.Instructions.Next; inst != &c->Program.Instructions; inst = inst->Next)
-	{
-		int i;
-		int num_src_regs = _mesa_num_inst_src_regs(inst->I.Opcode);
-
-		for (i = 0; i < num_src_regs; ++i) {
-			if (inst->I.SrcReg[i].File == PROGRAM_INPUT)
-				c->Program.InputsRead |= 1 << inst->I.SrcReg[i].Index;
-		}
-
-		if (_mesa_num_inst_dst_regs(inst->I.Opcode)) {
-			if (inst->I.DstReg.File == PROGRAM_OUTPUT)
-				c->Program.OutputsWritten |= 1 << inst->I.DstReg.Index;
-		}
-	}
-}
-
-void radeonNqssaDce(struct radeon_compiler * c, struct radeon_nqssadce_descr* descr, void * data)
-{
-	struct nqssadce_state s;
-
-	_mesa_bzero(&s, sizeof(s));
-	s.Compiler = c;
-	s.Descr = descr;
-	s.UserData = data;
-	s.Descr->Init(&s);
-	s.IP = c->Program.Instructions.Prev;
-
-	while(s.IP != &c->Program.Instructions && !c->Error)
-		process_instruction(&s);
-
-	rc_calculate_inputs_outputs(c);
-}