From ffcdd49c69811b9f768c0b32acef6527d5626a6e Mon Sep 17 00:00:00 2001 From: Marek Olšák Date: Sun, 23 Jan 2011 12:03:59 +0100 Subject: r300/compiler: remove any code related to relative addressing of temporaries The hw can't do it and the code was useless anyway (it's lowered in the GLSL compiler). --- src/mesa/drivers/dri/r300/compiler/r3xx_vertprog.c | 69 ++++------------------ .../dri/r300/compiler/radeon_dataflow_deadcode.c | 45 +------------- .../drivers/dri/r300/compiler/radeon_optimize.c | 1 - .../dri/r300/compiler/radeon_pair_translate.c | 6 -- .../drivers/dri/r300/compiler/radeon_program.h | 6 +- .../drivers/dri/r300/compiler/radeon_program_alu.c | 1 - .../dri/r300/compiler/radeon_program_print.c | 2 +- 7 files changed, 13 insertions(+), 117 deletions(-) (limited to 'src/mesa/drivers/dri/r300/compiler') diff --git a/src/mesa/drivers/dri/r300/compiler/r3xx_vertprog.c b/src/mesa/drivers/dri/r300/compiler/r3xx_vertprog.c index 472029f63d..8ad2175ead 100644 --- a/src/mesa/drivers/dri/r300/compiler/r3xx_vertprog.c +++ b/src/mesa/drivers/dri/r300/compiler/r3xx_vertprog.c @@ -490,13 +490,6 @@ static void translate_vertex_program(struct radeon_compiler *c, void *user) continue; if (info->HasDstReg) { - /* Relative addressing of destination operands is not supported yet. */ - if (vpi->DstReg.RelAddr) { - rc_error(&compiler->Base, "Vertex program does not support relative " - "addressing of destination operands (yet).\n"); - return; - } - /* Neither is Saturate. */ if (vpi->SaturateMode != RC_SATURATE_NONE) { rc_error(&compiler->Base, "Vertex program does not support the Saturate " @@ -668,7 +661,6 @@ static void allocate_temporary_registers(struct radeon_compiler *c, void *user) char hwtemps[RC_REGISTER_MAX_INDEX]; struct temporary_allocation * ta; unsigned int i, j; - struct rc_instruction *last_inst_src_reladdr = NULL; memset(hwtemps, 0, sizeof(hwtemps)); @@ -693,28 +685,11 @@ static void allocate_temporary_registers(struct radeon_compiler *c, void *user) } } - /* Pass 2: If there is relative addressing of dst temporaries, we cannot change register indices. Give up. - * For src temporaries, save the last instruction which uses relative addressing. */ - for (inst = compiler->Base.Program.Instructions.Next; inst != &compiler->Base.Program.Instructions; inst = inst->Next) { - const struct rc_opcode_info *opcode = rc_get_opcode_info(inst->U.I.Opcode); - - if (opcode->HasDstReg) - if (inst->U.I.DstReg.RelAddr) - return; - - for (i = 0; i < opcode->NumSrcRegs; ++i) { - if (inst->U.I.SrcReg[i].File == RC_FILE_TEMPORARY && - inst->U.I.SrcReg[i].RelAddr) { - last_inst_src_reladdr = inst; - } - } - } - ta = (struct temporary_allocation*)memory_pool_malloc(&compiler->Base.Pool, sizeof(struct temporary_allocation) * num_orig_temps); memset(ta, 0, sizeof(struct temporary_allocation) * num_orig_temps); - /* Pass 3: Determine original temporary lifetimes */ + /* Pass 2: Determine original temporary lifetimes */ for(inst = compiler->Base.Program.Instructions.Next; inst != &compiler->Base.Program.Instructions; inst = inst->Next) { const struct rc_opcode_info * opcode = rc_get_opcode_info(inst->U.I.Opcode); /* Instructions inside of loops need to use the ENDLOOP @@ -744,41 +719,22 @@ static void allocate_temporary_registers(struct radeon_compiler *c, void *user) for (i = 0; i < opcode->NumSrcRegs; ++i) { if (inst->U.I.SrcReg[i].File == RC_FILE_TEMPORARY) { - struct rc_instruction *last_read; - - /* From "last_inst_src_reladdr", "end_loop", and "inst", - * select the instruction with the highest instruction index (IP). - * Note that "end_loop", if available, has always a higher index than "inst". */ - if (last_inst_src_reladdr) { - if (end_loop) { - last_read = last_inst_src_reladdr->IP > end_loop->IP ? - last_inst_src_reladdr : end_loop; - } else { - last_read = last_inst_src_reladdr->IP > inst->IP ? - last_inst_src_reladdr : inst; - } - } else { - last_read = end_loop ? end_loop : inst; - } - - ta[inst->U.I.SrcReg[i].Index].LastRead = last_read; + ta[inst->U.I.SrcReg[i].Index].LastRead = end_loop ? end_loop : inst; } } } - /* Pass 4: Register allocation */ + /* Pass 3: Register allocation */ for(inst = compiler->Base.Program.Instructions.Next; inst != &compiler->Base.Program.Instructions; inst = inst->Next) { const struct rc_opcode_info * opcode = rc_get_opcode_info(inst->U.I.Opcode); - if (!last_inst_src_reladdr || last_inst_src_reladdr->IP < inst->IP) { - for (i = 0; i < opcode->NumSrcRegs; ++i) { - if (inst->U.I.SrcReg[i].File == RC_FILE_TEMPORARY) { - unsigned int orig = inst->U.I.SrcReg[i].Index; - inst->U.I.SrcReg[i].Index = ta[orig].HwTemp; + for (i = 0; i < opcode->NumSrcRegs; ++i) { + if (inst->U.I.SrcReg[i].File == RC_FILE_TEMPORARY) { + unsigned int orig = inst->U.I.SrcReg[i].Index; + inst->U.I.SrcReg[i].Index = ta[orig].HwTemp; - if (ta[orig].Allocated && inst == ta[orig].LastRead) - hwtemps[ta[orig].HwTemp] = 0; - } + if (ta[orig].Allocated && inst == ta[orig].LastRead) + hwtemps[ta[orig].HwTemp] = 0; } } @@ -792,12 +748,7 @@ static void allocate_temporary_registers(struct radeon_compiler *c, void *user) break; } ta[orig].Allocated = 1; - if (last_inst_src_reladdr && - last_inst_src_reladdr->IP > inst->IP) { - ta[orig].HwTemp = orig; - } else { - ta[orig].HwTemp = j; - } + ta[orig].HwTemp = j; hwtemps[ta[orig].HwTemp] = 1; } diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_dataflow_deadcode.c b/src/mesa/drivers/dri/r300/compiler/radeon_dataflow_deadcode.c index 87906f37b1..678e147588 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_dataflow_deadcode.c +++ b/src/mesa/drivers/dri/r300/compiler/radeon_dataflow_deadcode.c @@ -160,12 +160,8 @@ static void update_instruction(struct deadcode_state * s, struct rc_instruction unsigned char * pused = get_used_ptr(s, inst->U.I.DstReg.File, inst->U.I.DstReg.Index); if (pused) { usedmask = *pused & inst->U.I.DstReg.WriteMask; - if (!inst->U.I.DstReg.RelAddr) - *pused &= ~usedmask; + *pused &= ~usedmask; } - - if (inst->U.I.DstReg.RelAddr) - mark_used(s, RC_FILE_ADDRESS, 0, RC_MASK_X); } insts->WriteMask |= usedmask; @@ -219,22 +215,9 @@ void rc_dataflow_deadcode(struct radeon_compiler * c, void *user) { struct deadcode_state s; unsigned int nr_instructions; - unsigned has_temp_reladdr_src = 0; rc_dataflow_mark_outputs_fn dce = (rc_dataflow_mark_outputs_fn)user; unsigned int ip; - /* Give up if there is relative addressing of destination operands. */ - for(struct rc_instruction * inst = c->Program.Instructions.Next; - inst != &c->Program.Instructions; - inst = inst->Next) { - const struct rc_opcode_info *opcode = rc_get_opcode_info(inst->U.I.Opcode); - if (opcode->HasDstReg && - inst->U.I.DstReg.WriteMask && - inst->U.I.DstReg.RelAddr) { - return; - } - } - memset(&s, 0, sizeof(s)); s.C = c; @@ -321,32 +304,6 @@ void rc_dataflow_deadcode(struct radeon_compiler * c, void *user) rc_error(c, "%s: Unhandled control flow instruction %s\n", __FUNCTION__, opcode->Name); } } - - if (!has_temp_reladdr_src) { - for (unsigned i = 0; i < opcode->NumSrcRegs; i++) { - if (inst->U.I.SrcReg[i].File == RC_FILE_TEMPORARY && - inst->U.I.SrcReg[i].RelAddr) { - /* If there is a register read from a temporary file with relative addressing, - * mark all preceding written registers as used. */ - for (struct rc_instruction *ptr = inst->Prev; - ptr != &c->Program.Instructions; - ptr = ptr->Prev) { - opcode = rc_get_opcode_info(ptr->U.I.Opcode); - if (opcode->HasDstReg && - ptr->U.I.DstReg.File == RC_FILE_TEMPORARY && - ptr->U.I.DstReg.WriteMask) { - mark_used(&s, - ptr->U.I.DstReg.File, - ptr->U.I.DstReg.Index, - ptr->U.I.DstReg.WriteMask); - } - } - - has_temp_reladdr_src = 1; - break; - } - } - } } update_instruction(&s, inst); diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_optimize.c b/src/mesa/drivers/dri/r300/compiler/radeon_optimize.c index 44f4c0fbdc..5caff91b00 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_optimize.c +++ b/src/mesa/drivers/dri/r300/compiler/radeon_optimize.c @@ -139,7 +139,6 @@ static void copy_propagate(struct radeon_compiler * c, struct rc_instruction * i unsigned int i; if (inst_mov->U.I.DstReg.File != RC_FILE_TEMPORARY || - inst_mov->U.I.DstReg.RelAddr || inst_mov->U.I.WriteALUResult || inst_mov->U.I.SaturateMode) return; diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_pair_translate.c b/src/mesa/drivers/dri/r300/compiler/radeon_pair_translate.c index fc05366f50..ddc676c9ac 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_pair_translate.c +++ b/src/mesa/drivers/dri/r300/compiler/radeon_pair_translate.c @@ -302,12 +302,6 @@ static void check_opcode_support(struct r300_fragment_program_compiler *c, const struct rc_opcode_info * opcode = rc_get_opcode_info(inst->Opcode); if (opcode->HasDstReg) { - if (inst->DstReg.RelAddr) { - rc_error(&c->Base, "Fragment program does not support relative addressing " - "of destination operands.\n"); - return; - } - if (inst->SaturateMode == RC_SATURATE_MINUS_PLUS_ONE) { rc_error(&c->Base, "Fragment program does not support signed Saturate.\n"); return; diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_program.h b/src/mesa/drivers/dri/r300/compiler/radeon_program.h index df6c94b35f..a07f6b63c6 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_program.h +++ b/src/mesa/drivers/dri/r300/compiler/radeon_program.h @@ -56,11 +56,7 @@ struct rc_src_register { struct rc_dst_register { unsigned int File:3; - - /** Negative values may be used for relative addressing. */ - signed int Index:(RC_REGISTER_INDEX_BITS+1); - unsigned int RelAddr:1; - + unsigned int Index:RC_REGISTER_INDEX_BITS; unsigned int WriteMask:4; }; diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c b/src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c index c8063171b8..9fc991166a 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c +++ b/src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c @@ -91,7 +91,6 @@ static struct rc_dst_register dstregtmpmask(int index, int mask) dst.File = RC_FILE_TEMPORARY; dst.Index = index; dst.WriteMask = mask; - dst.RelAddr = 0; return dst; } diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_program_print.c b/src/mesa/drivers/dri/r300/compiler/radeon_program_print.c index ae13f6742f..193844e303 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_program_print.c +++ b/src/mesa/drivers/dri/r300/compiler/radeon_program_print.c @@ -110,7 +110,7 @@ static void rc_print_mask(FILE * f, unsigned int mask) static void rc_print_dst_register(FILE * f, struct rc_dst_register dst) { - rc_print_register(f, dst.File, dst.Index, dst.RelAddr); + rc_print_register(f, dst.File, dst.Index, 0); if (dst.WriteMask != RC_MASK_XYZW) { fprintf(f, "."); rc_print_mask(f, dst.WriteMask); -- cgit v1.2.3