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r300/compiler Add support for more of the Sxx set instructions

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Signed-off-by: Nicolai Hähnle <nhaehnle@gmail.com>
This commit is contained in:
Nicolai Hähnle 2009-10-04 18:26:15 +02:00
parent 12e89e0e51
commit a6b300ac98
1 changed files with 61 additions and 1 deletions
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62
src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c
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@ -344,6 +344,25 @@ static void transform_RSQ(struct radeon_compiler* c,
inst->U.I.SrcReg[0] = absolute(inst->U.I.SrcReg[0]);
}
static void transform_SEQ(struct radeon_compiler* c,
struct rc_instruction* inst)
{
int tempreg = rc_find_free_temporary(c);
emit2(c, inst->Prev, RC_OPCODE_ADD, 0, dstreg(RC_FILE_TEMPORARY, tempreg), inst->U.I.SrcReg[0], negate(inst->U.I.SrcReg[1]));
emit3(c, inst->Prev, RC_OPCODE_CMP, inst->U.I.SaturateMode, inst->U.I.DstReg,
negate(absolute(srcreg(RC_FILE_TEMPORARY, tempreg))), builtin_zero, builtin_one);
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.SaturateMode, inst->U.I.DstReg, builtin_zero);
rc_remove_instruction(inst);
}
static void transform_SGE(struct radeon_compiler* c,
struct rc_instruction* inst)
{
@ -356,6 +375,30 @@ static void transform_SGE(struct radeon_compiler* c,
rc_remove_instruction(inst);
}
static void transform_SGT(struct radeon_compiler* c,
struct rc_instruction* inst)
{
int tempreg = rc_find_free_temporary(c);
emit2(c, inst->Prev, RC_OPCODE_ADD, 0, dstreg(RC_FILE_TEMPORARY, tempreg), negate(inst->U.I.SrcReg[0]), inst->U.I.SrcReg[1]);
emit3(c, inst->Prev, RC_OPCODE_CMP, inst->U.I.SaturateMode, inst->U.I.DstReg,
srcreg(RC_FILE_TEMPORARY, tempreg), builtin_one, builtin_zero);
rc_remove_instruction(inst);
}
static void transform_SLE(struct radeon_compiler* c,
struct rc_instruction* inst)
{
int tempreg = rc_find_free_temporary(c);
emit2(c, inst->Prev, RC_OPCODE_ADD, 0, dstreg(RC_FILE_TEMPORARY, tempreg), negate(inst->U.I.SrcReg[0]), inst->U.I.SrcReg[1]);
emit3(c, inst->Prev, RC_OPCODE_CMP, inst->U.I.SaturateMode, inst->U.I.DstReg,
srcreg(RC_FILE_TEMPORARY, tempreg), builtin_zero, builtin_one);
rc_remove_instruction(inst);
}
static void transform_SLT(struct radeon_compiler* c,
struct rc_instruction* inst)
{
@ -368,6 +411,18 @@ static void transform_SLT(struct radeon_compiler* c,
rc_remove_instruction(inst);
}
static void transform_SNE(struct radeon_compiler* c,
struct rc_instruction* inst)
{
int tempreg = rc_find_free_temporary(c);
emit2(c, inst->Prev, RC_OPCODE_ADD, 0, dstreg(RC_FILE_TEMPORARY, tempreg), inst->U.I.SrcReg[0], negate(inst->U.I.SrcReg[1]));
emit3(c, inst->Prev, RC_OPCODE_CMP, inst->U.I.SaturateMode, inst->U.I.DstReg,
negate(absolute(srcreg(RC_FILE_TEMPORARY, tempreg))), builtin_one, builtin_zero);
rc_remove_instruction(inst);
}
static void transform_SUB(struct radeon_compiler* c,
struct rc_instruction* inst)
{
@ -403,7 +458,7 @@ static void transform_XPD(struct radeon_compiler* c,
* no userData necessary.
*
* Eliminates the following ALU instructions:
* ABS, DPH, DST, FLR, LIT, LRP, POW, SGE, SLT, SUB, SWZ, XPD
* ABS, DPH, DST, FLR, LIT, LRP, POW, SEQ, SFL, SGE, SGT, SLE, SLT, SNE, SUB, SWZ, XPD
* using:
* MOV, ADD, MUL, MAD, FRC, DP3, LG2, EX2, CMP
*
@ -426,8 +481,13 @@ int radeonTransformALU(
case RC_OPCODE_LRP: transform_LRP(c, inst); return 1;
case RC_OPCODE_POW: transform_POW(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;
case RC_OPCODE_SLT: transform_SLT(c, inst); return 1;
case RC_OPCODE_SNE: transform_SNE(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_XPD: transform_XPD(c, inst); return 1;