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assembler: Use brw_*() functions for 3-src instructions

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Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
This commit is contained in:
Damien Lespiau 2013-01-31 01:28:15 +00:00
parent 67f3f949bf
commit 26da375471
1 changed files with 28 additions and 51 deletions
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79
assembler/gram.y
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@ -1086,8 +1086,8 @@ trinaryinstruction:
set_instruction_opcode(&$$, $2); set_instruction_opcode(&$$, $2);
set_instruction_saturate(&$$, $4); set_instruction_saturate(&$$, $4);
GEN(&$$)->header.execution_size = $5;
$6.width = $5;
if (set_instruction_dest_three_src(&$$, &$6)) if (set_instruction_dest_three_src(&$$, &$6))
YYERROR; YYERROR;
if (set_instruction_src0_three_src(&$$, &$7)) if (set_instruction_src0_three_src(&$$, &$7))
@ -2916,74 +2916,51 @@ static int set_instruction_src1(struct brw_program_instruction *instr,
return 0; return 0;
} }
/* convert 2-src reg type to 3-src reg type
*
* 2-src reg type:
* 000=UD 001=D 010=UW 011=W 100=UB 101=B 110=DF 111=F
*
* 3-src reg type:
* 00=F 01=D 10=UD 11=DF
*/
static int reg_type_2_to_3(int reg_type)
{
int r = 0;
switch(reg_type) {
case 7: r = 0; break;
case 1: r = 1; break;
case 0: r = 2; break;
// TODO: supporting DF
}
return r;
}
static int set_instruction_dest_three_src(struct brw_program_instruction *instr, static int set_instruction_dest_three_src(struct brw_program_instruction *instr,
struct brw_reg *dest) struct brw_reg *dest)
{ {
GEN(instr)->bits1.da3src.dest_reg_file = dest->file; resolve_subnr(dest);
GEN(instr)->bits1.da3src.dest_reg_nr = dest->nr; brw_set_3src_dest(&genasm_compile, GEN(instr), *dest);
GEN(instr)->bits1.da3src.dest_subreg_nr = get_subreg_address(dest->file, dest->type, dest->subnr, dest->address_mode) / 4; // in DWORD return 0;
GEN(instr)->bits1.da3src.dest_writemask = dest->dw1.bits.writemask;
GEN(instr)->bits1.da3src.dest_reg_type = reg_type_2_to_3(dest->type);
return 0;
} }
static int set_instruction_src0_three_src(struct brw_program_instruction *instr, static int set_instruction_src0_three_src(struct brw_program_instruction *instr,
struct src_operand *src) struct src_operand *src)
{ {
if (advanced_flag) { if (advanced_flag)
reset_instruction_src_region(GEN(instr), src); reset_instruction_src_region(GEN(instr), src);
}
// TODO: supporting src0 swizzle, src0 modifier, src0 rep_ctrl resolve_subnr(&src->reg);
GEN(instr)->bits1.da3src.src_reg_type = reg_type_2_to_3(src->reg.type);
GEN(instr)->bits2.da3src.src0_subreg_nr = get_subreg_address(src->reg.file, src->reg.type, src->reg.subnr, src->reg.address_mode) / 4; // in DWORD // TODO: src0 modifier, src0 rep_ctrl
GEN(instr)->bits2.da3src.src0_reg_nr = src->reg.nr; brw_set_3src_src0(&genasm_compile, GEN(instr), src->reg);
return 0; return 0;
} }
static int set_instruction_src1_three_src(struct brw_program_instruction *instr, static int set_instruction_src1_three_src(struct brw_program_instruction *instr,
struct src_operand *src) struct src_operand *src)
{ {
if (advanced_flag) { if (advanced_flag)
reset_instruction_src_region(GEN(instr), src); reset_instruction_src_region(GEN(instr), src);
}
// TODO: supporting src1 swizzle, src1 modifier, src1 rep_ctrl resolve_subnr(&src->reg);
int v = get_subreg_address(src->reg.file, src->reg.type, src->reg.subnr, src->reg.address_mode) / 4; // in DWORD
GEN(instr)->bits2.da3src.src1_subreg_nr_low = v % 4; // lower 2 bits // TODO: src1 modifier, src1 rep_ctrl
GEN(instr)->bits3.da3src.src1_subreg_nr_high = v / 4; // highest bit brw_set_3src_src1(&genasm_compile, GEN(instr), src->reg);
GEN(instr)->bits3.da3src.src1_reg_nr = src->reg.nr; return 0;
return 0;
} }
static int set_instruction_src2_three_src(struct brw_program_instruction *instr, static int set_instruction_src2_three_src(struct brw_program_instruction *instr,
struct src_operand *src) struct src_operand *src)
{ {
if (advanced_flag) { if (advanced_flag)
reset_instruction_src_region(GEN(instr), src); reset_instruction_src_region(GEN(instr), src);
}
// TODO: supporting src2 swizzle, src2 modifier, src2 rep_ctrl resolve_subnr(&src->reg);
GEN(instr)->bits3.da3src.src2_subreg_nr = get_subreg_address(src->reg.file, src->reg.type, src->reg.subnr, src->reg.address_mode) / 4; // in DWORD
GEN(instr)->bits3.da3src.src2_reg_nr = src->reg.nr; // TODO: src2 modifier, src2 rep_ctrl
return 0; brw_set_3src_src2(&genasm_compile, GEN(instr), src->reg);
return 0;
} }
static void set_instruction_saturate(struct brw_program_instruction *instr, static void set_instruction_saturate(struct brw_program_instruction *instr,