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assembler: Replace struct direct_reg by struct brw_reg

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More code simplification can be layered on top of that (by using some
brw_* helpers to create registers), that'd be for another commit.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
This commit is contained in:
Damien Lespiau 2013-01-23 16:06:49 +00:00
parent cce4fc2c36
commit b33b8810e0
2 changed files with 101 additions and 109 deletions
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8
assembler/gen4asm.h
View File

@ -66,14 +66,6 @@ typedef struct { \
/* ensure nobody changes the size of struct brw_instruction */
STRUCT_SIZE_ASSERT(brw_instruction, 16);
/**
* This structure is the internal representation of directly-addressed
* registers in the parser.
*/
struct direct_reg {
int reg_file, reg_nr, subreg_nr;
};
struct condition {
int cond;
int flag_reg_nr;

202
assembler/gram.y
View File

@ -92,9 +92,9 @@ void set_instruction_options(struct brw_instruction *instr,
struct brw_instruction *options);
void set_instruction_predicate(struct brw_instruction *instr,
struct brw_instruction *predicate);
void set_direct_dst_operand(struct dst_operand *dst, struct direct_reg *reg,
void set_direct_dst_operand(struct dst_operand *dst, struct brw_reg *reg,
int type);
void set_direct_src_operand(struct src_operand *src, struct direct_reg *reg,
void set_direct_src_operand(struct src_operand *src, struct brw_reg *reg,
int type);
static void brw_program_init(struct brw_program *p)
@ -158,7 +158,7 @@ static void brw_program_add_label(struct brw_program *p, const char *label)
struct brw_program program;
struct region region;
struct regtype regtype;
struct direct_reg direct_reg;
struct brw_reg direct_reg;
struct indirect_reg indirect_reg;
struct condition condition;
struct declared_register symbol_reg;
@ -263,7 +263,7 @@ static void brw_program_add_label(struct brw_program *p, const char *label)
%type <region> region region_wh indirectregion declare_srcregion;
%type <regtype> regtype
%type <direct_reg> directgenreg directmsgreg addrreg accreg flagreg maskreg
%type <direct_reg> maskstackreg notifyreg
%type <direct_reg> maskstackreg notifyreg
/* %type <direct_reg> maskstackdepthreg */
%type <direct_reg> statereg controlreg ipreg nullreg
%type <direct_reg> dstoperandex_typed srcarchoperandex_typed
@ -926,7 +926,7 @@ sendinstruction: predicate SEND execsize exp post_dst payload msgtarget
memset(&$$, 0, sizeof($$));
$$.header.opcode = $2;
$$.header.execution_size = $3;
$$.header.destreg__conditionalmod = $5.reg_nr; /* msg reg index */
$$.header.destreg__conditionalmod = $5.nr; /* msg reg index */
set_instruction_predicate(&$$, &$1);
@ -949,7 +949,7 @@ sendinstruction: predicate SEND execsize exp post_dst payload msgtarget
memset(&$$, 0, sizeof($$));
$$.header.opcode = $2;
$$.header.execution_size = $3;
$$.header.destreg__conditionalmod = $5.reg_nr; /* msg reg index */
$$.header.destreg__conditionalmod = $5.nr; /* msg reg index */
set_instruction_predicate(&$$, &$1);
if (set_instruction_dest(&$$, &$4) != 0)
@ -996,7 +996,7 @@ sendinstruction: predicate SEND execsize exp post_dst payload msgtarget
src0.reg_type = BRW_REGISTER_TYPE_D;
}
src0.reg_nr = $5.reg_nr;
src0.reg_nr = $5.nr;
src0.subreg_nr = 0;
set_instruction_src0(&$$, &src0);
@ -1042,7 +1042,7 @@ sendinstruction: predicate SEND execsize exp post_dst payload msgtarget
src0.reg_type = BRW_REGISTER_TYPE_D;
}
src0.reg_nr = $5.reg_nr;
src0.reg_nr = $5.nr;
src0.subreg_nr = 0;
set_instruction_src0(&$$, &src0);
@ -1060,7 +1060,7 @@ sendinstruction: predicate SEND execsize exp post_dst payload msgtarget
memset(&$$, 0, sizeof($$));
$$.header.opcode = $2;
$$.header.execution_size = $3;
$$.header.destreg__conditionalmod = $5.reg_nr; /* msg reg index */
$$.header.destreg__conditionalmod = $5.nr; /* msg reg index */
set_instruction_predicate(&$$, &$1);
if (set_instruction_dest(&$$, &$4) != 0)
@ -1082,7 +1082,7 @@ sendinstruction: predicate SEND execsize exp post_dst payload msgtarget
memset(&$$, 0, sizeof($$));
$$.header.opcode = $2;
$$.header.execution_size = $3;
$$.header.destreg__conditionalmod = $5.reg_nr; /* msg reg index */
$$.header.destreg__conditionalmod = $5.nr; /* msg reg index */
set_instruction_predicate(&$$, &$1);
@ -1582,45 +1582,45 @@ dstoperand: symbol_reg dstregion
dstoperandex: dstoperandex_typed dstregion regtype
{
memset (&$$, '\0', sizeof ($$));
$$.reg_file = $1.reg_file;
$$.reg_nr = $1.reg_nr;
$$.subreg_nr = $1.subreg_nr;
$$.reg_file = $1.file;
$$.reg_nr = $1.nr;
$$.subreg_nr = $1.subnr;
$$.horiz_stride = $2;
$$.reg_type = $3.type;
}
| maskstackreg
{
memset (&$$, '\0', sizeof ($$));
$$.reg_file = $1.reg_file;
$$.reg_nr = $1.reg_nr;
$$.subreg_nr = $1.subreg_nr;
$$.reg_file = $1.file;
$$.reg_nr = $1.nr;
$$.subreg_nr = $1.subnr;
$$.horiz_stride = 1;
$$.reg_type = BRW_REGISTER_TYPE_UW;
}
| controlreg
{
memset (&$$, '\0', sizeof ($$));
$$.reg_file = $1.reg_file;
$$.reg_nr = $1.reg_nr;
$$.subreg_nr = $1.subreg_nr;
$$.reg_file = $1.file;
$$.reg_nr = $1.nr;
$$.subreg_nr = $1.subnr;
$$.horiz_stride = 1;
$$.reg_type = BRW_REGISTER_TYPE_UD;
}
| ipreg
{
memset (&$$, '\0', sizeof ($$));
$$.reg_file = $1.reg_file;
$$.reg_nr = $1.reg_nr;
$$.subreg_nr = $1.subreg_nr;
$$.reg_file = $1.file;
$$.reg_nr = $1.nr;
$$.subreg_nr = $1.subnr;
$$.horiz_stride = 1;
$$.reg_type = BRW_REGISTER_TYPE_UD;
}
| nullreg dstregion regtype
{
memset (&$$, '\0', sizeof ($$));
$$.reg_file = $1.reg_file;
$$.reg_nr = $1.reg_nr;
$$.subreg_nr = $1.subreg_nr;
$$.reg_file = $1.file;
$$.reg_nr = $1.nr;
$$.subreg_nr = $1.subnr;
$$.horiz_stride = $2;
$$.reg_type = $3.type;
}
@ -1689,17 +1689,17 @@ dstreg: directgenreg
{
memset (&$$, '\0', sizeof ($$));
$$.address_mode = BRW_ADDRESS_DIRECT;
$$.reg_file = $1.reg_file;
$$.reg_nr = $1.reg_nr;
$$.subreg_nr = $1.subreg_nr;
$$.reg_file = $1.file;
$$.reg_nr = $1.nr;
$$.subreg_nr = $1.subnr;
}
| directmsgreg
{
memset (&$$, '\0', sizeof ($$));
$$.address_mode = BRW_ADDRESS_DIRECT;
$$.reg_file = $1.reg_file;
$$.reg_nr = $1.reg_nr;
$$.subreg_nr = $1.subreg_nr;
$$.reg_file = $1.file;
$$.reg_nr = $1.nr;
$$.subreg_nr = $1.subnr;
}
| indirectgenreg
{
@ -1809,10 +1809,10 @@ directsrcaccoperand: directsrcoperand
srcarchoperandex: srcarchoperandex_typed region regtype
{
memset (&$$, '\0', sizeof ($$));
$$.reg_file = $1.reg_file;
$$.reg_file = $1.file;
$$.reg_type = $3.type;
$$.subreg_nr = $1.subreg_nr;
$$.reg_nr = $1.reg_nr;
$$.subreg_nr = $1.subnr;
$$.reg_nr = $1.nr;
$$.vert_stride = $2.vert_stride;
$$.width = $2.width;
$$.horiz_stride = $2.horiz_stride;
@ -1857,9 +1857,9 @@ srcarchoperandex_typed: flagreg | addrreg | maskreg
sendleadreg: symbol_reg
{
memset (&$$, '\0', sizeof ($$));
$$.reg_file = $1.reg.file;
$$.reg_nr = $1.reg.nr;
$$.subreg_nr = $1.reg.subnr;
$$.file = $1.reg.file;
$$.nr = $1.reg.nr;
$$.subnr = $1.reg.subnr;
}
| directgenreg | directmsgreg
;
@ -1900,9 +1900,9 @@ directsrcoperand: negate abs symbol_reg region regtype
else{
memset (&$$, '\0', sizeof ($$));
$$.address_mode = BRW_ADDRESS_DIRECT;
$$.reg_file = $1.reg_file;
$$.reg_nr = $1.reg_nr;
$$.subreg_nr = $1.subreg_nr;
$$.reg_file = $1.file;
$$.reg_nr = $1.nr;
$$.subreg_nr = $1.subnr;
$$.vert_stride = $2.vert_stride;
$$.width = $2.width;
$$.horiz_stride = $2.horiz_stride;
@ -1913,9 +1913,9 @@ directsrcoperand: negate abs symbol_reg region regtype
{
memset (&$$, '\0', sizeof ($$));
$$.address_mode = BRW_ADDRESS_DIRECT;
$$.reg_file = $3.reg_file;
$$.reg_nr = $3.reg_nr;
$$.subreg_nr = $3.subreg_nr;
$$.reg_file = $3.file;
$$.reg_nr = $3.nr;
$$.subreg_nr = $3.subnr;
$$.reg_type = $5.type;
$$.vert_stride = $4.vert_stride;
$$.width = $4.width;
@ -1966,13 +1966,13 @@ addrparam: addrreg COMMA immaddroffset
YYERROR;
}
memset (&$$, '\0', sizeof ($$));
$$.address_subreg_nr = $1.subreg_nr;
$$.address_subreg_nr = $1.subnr;
$$.indirect_offset = $3;
}
| addrreg
{
memset (&$$, '\0', sizeof ($$));
$$.address_subreg_nr = $1.subreg_nr;
$$.address_subreg_nr = $1.subnr;
$$.indirect_offset = 0;
}
;
@ -2000,9 +2000,9 @@ subregnum: DOT exp
directgenreg: GENREG subregnum
{
memset (&$$, '\0', sizeof ($$));
$$.reg_file = BRW_GENERAL_REGISTER_FILE;
$$.reg_nr = $1;
$$.subreg_nr = $2;
$$.file = BRW_GENERAL_REGISTER_FILE;
$$.nr = $1;
$$.subnr = $2;
}
;
@ -2018,9 +2018,9 @@ indirectgenreg: GENREGFILE LSQUARE addrparam RSQUARE
directmsgreg: MSGREG subregnum
{
memset (&$$, '\0', sizeof ($$));
$$.reg_file = BRW_MESSAGE_REGISTER_FILE;
$$.reg_nr = $1;
$$.subreg_nr = $2;
$$.file = BRW_MESSAGE_REGISTER_FILE;
$$.nr = $1;
$$.subnr = $2;
}
;
@ -2041,9 +2041,9 @@ addrreg: ADDRESSREG subregnum
YYERROR;
}
memset (&$$, '\0', sizeof ($$));
$$.reg_file = BRW_ARCHITECTURE_REGISTER_FILE;
$$.reg_nr = BRW_ARF_ADDRESS | $1;
$$.subreg_nr = $2;
$$.file = BRW_ARCHITECTURE_REGISTER_FILE;
$$.nr = BRW_ARF_ADDRESS | $1;
$$.subnr = $2;
}
;
@ -2055,9 +2055,9 @@ accreg: ACCREG subregnum
YYERROR;
}
memset (&$$, '\0', sizeof ($$));
$$.reg_file = BRW_ARCHITECTURE_REGISTER_FILE;
$$.reg_nr = BRW_ARF_ACCUMULATOR | $1;
$$.subreg_nr = $2;
$$.file = BRW_ARCHITECTURE_REGISTER_FILE;
$$.nr = BRW_ARF_ACCUMULATOR | $1;
$$.subnr = $2;
}
;
@ -2077,9 +2077,9 @@ flagreg: FLAGREG subregnum
}
memset (&$$, '\0', sizeof ($$));
$$.reg_file = BRW_ARCHITECTURE_REGISTER_FILE;
$$.reg_nr = BRW_ARF_FLAG | $1;
$$.subreg_nr = $2;
$$.file = BRW_ARCHITECTURE_REGISTER_FILE;
$$.nr = BRW_ARF_FLAG | $1;
$$.subnr = $2;
}
;
@ -2091,16 +2091,16 @@ maskreg: MASKREG subregnum
YYERROR;
}
memset (&$$, '\0', sizeof ($$));
$$.reg_file = BRW_ARCHITECTURE_REGISTER_FILE;
$$.reg_nr = BRW_ARF_MASK;
$$.subreg_nr = $2;
$$.file = BRW_ARCHITECTURE_REGISTER_FILE;
$$.nr = BRW_ARF_MASK;
$$.subnr = $2;
}
| mask_subreg
{
memset (&$$, '\0', sizeof ($$));
$$.reg_file = BRW_ARCHITECTURE_REGISTER_FILE;
$$.reg_nr = BRW_ARF_MASK;
$$.subreg_nr = $1;
$$.file = BRW_ARCHITECTURE_REGISTER_FILE;
$$.nr = BRW_ARF_MASK;
$$.subnr = $1;
}
;
@ -2115,16 +2115,16 @@ maskstackreg: MASKSTACKREG subregnum
YYERROR;
}
memset (&$$, '\0', sizeof ($$));
$$.reg_file = BRW_ARCHITECTURE_REGISTER_FILE;
$$.reg_nr = BRW_ARF_MASK_STACK;
$$.subreg_nr = $2;
$$.file = BRW_ARCHITECTURE_REGISTER_FILE;
$$.nr = BRW_ARF_MASK_STACK;
$$.subnr = $2;
}
| maskstack_subreg
{
memset (&$$, '\0', sizeof ($$));
$$.reg_file = BRW_ARCHITECTURE_REGISTER_FILE;
$$.reg_nr = BRW_ARF_MASK_STACK;
$$.subreg_nr = $1;
$$.file = BRW_ARCHITECTURE_REGISTER_FILE;
$$.nr = BRW_ARF_MASK_STACK;
$$.subnr = $1;
}
;
@ -2168,14 +2168,14 @@ notifyreg: NOTIFYREG regtype
YYERROR;
}
memset (&$$, '\0', sizeof ($$));
$$.reg_file = BRW_ARCHITECTURE_REGISTER_FILE;
$$.file = BRW_ARCHITECTURE_REGISTER_FILE;
if (IS_GENp(6)) {
$$.reg_nr = BRW_ARF_NOTIFICATION_COUNT;
$$.subreg_nr = $1;
$$.nr = BRW_ARF_NOTIFICATION_COUNT;
$$.subnr = $1;
} else {
$$.reg_nr = BRW_ARF_NOTIFICATION_COUNT | $1;
$$.subreg_nr = 0;
$$.nr = BRW_ARF_NOTIFICATION_COUNT | $1;
$$.subnr = 0;
}
}
/*
@ -2208,9 +2208,9 @@ statereg: STATEREG subregnum
YYERROR;
}
memset (&$$, '\0', sizeof ($$));
$$.reg_file = BRW_ARCHITECTURE_REGISTER_FILE;
$$.reg_nr = BRW_ARF_STATE | $1;
$$.subreg_nr = $2;
$$.file = BRW_ARCHITECTURE_REGISTER_FILE;
$$.nr = BRW_ARF_STATE | $1;
$$.subnr = $2;
}
;
@ -2227,27 +2227,27 @@ controlreg: CONTROLREG subregnum
YYERROR;
}
memset (&$$, '\0', sizeof ($$));
$$.reg_file = BRW_ARCHITECTURE_REGISTER_FILE;
$$.reg_nr = BRW_ARF_CONTROL | $1;
$$.subreg_nr = $2;
$$.file = BRW_ARCHITECTURE_REGISTER_FILE;
$$.nr = BRW_ARF_CONTROL | $1;
$$.subnr = $2;
}
;
ipreg: IPREG regtype
{
memset (&$$, '\0', sizeof ($$));
$$.reg_file = BRW_ARCHITECTURE_REGISTER_FILE;
$$.reg_nr = BRW_ARF_IP;
$$.subreg_nr = 0;
$$.file = BRW_ARCHITECTURE_REGISTER_FILE;
$$.nr = BRW_ARF_IP;
$$.subnr = 0;
}
;
nullreg: NULL_TOKEN
{
memset (&$$, '\0', sizeof ($$));
$$.reg_file = BRW_ARCHITECTURE_REGISTER_FILE;
$$.reg_nr = BRW_ARF_NULL;
$$.subreg_nr = 0;
$$.file = BRW_ARCHITECTURE_REGISTER_FILE;
$$.nr = BRW_ARF_NULL;
$$.subnr = 0;
}
;
@ -2504,8 +2504,8 @@ predicate: /* empty */
* set a predicate for one flag register and conditional
* modification on the other flag register.
*/
$$.bits2.da1.flag_reg_nr = ($3.reg_nr & 0xF);
$$.bits2.da1.flag_subreg_nr = $3.subreg_nr;
$$.bits2.da1.flag_reg_nr = ($3.nr & 0xF);
$$.bits2.da1.flag_subreg_nr = $3.subnr;
$$.header.predicate_inverse = $2;
}
;
@ -2570,8 +2570,8 @@ conditionalmodifier: condition
| condition DOT flagreg
{
$$.cond = $1;
$$.flag_reg_nr = ($3.reg_nr & 0xF);
$$.flag_subreg_nr = $3.subreg_nr;
$$.flag_reg_nr = ($3.nr & 0xF);
$$.flag_subreg_nr = $3.subnr;
}
condition: /* empty */ { $$ = BRW_CONDITIONAL_NONE; }
@ -3146,28 +3146,28 @@ void set_instruction_predicate(struct brw_instruction *instr,
instr->bits2.da1.flag_subreg_nr = predicate->bits2.da1.flag_subreg_nr;
}
void set_direct_dst_operand(struct dst_operand *dst, struct direct_reg *reg,
void set_direct_dst_operand(struct dst_operand *dst, struct brw_reg *reg,
int type)
{
memset(dst, 0, sizeof(*dst));
dst->address_mode = BRW_ADDRESS_DIRECT;
dst->reg_file = reg->reg_file;
dst->reg_nr = reg->reg_nr;
dst->subreg_nr = reg->subreg_nr;
dst->reg_file = reg->file;
dst->reg_nr = reg->nr;
dst->subreg_nr = reg->subnr;
dst->reg_type = type;
dst->horiz_stride = 1;
dst->writemask = BRW_WRITEMASK_XYZW;
}
void set_direct_src_operand(struct src_operand *src, struct direct_reg *reg,
void set_direct_src_operand(struct src_operand *src, struct brw_reg *reg,
int type)
{
memset(src, 0, sizeof(*src));
src->address_mode = BRW_ADDRESS_DIRECT;
src->reg_file = reg->reg_file;
src->reg_file = reg->file;
src->reg_type = type;
src->subreg_nr = reg->subreg_nr;
src->reg_nr = reg->reg_nr;
src->subreg_nr = reg->subnr;
src->reg_nr = reg->nr;
src->vert_stride = 0;
src->width = 0;
src->horiz_stride = 0;