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add support for math instruction on Sandybridge

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Signed-off-by: Xiang, Haihao <haihao.xiang@intel.com>
This commit is contained in:
Xiang, Haihao 2010-10-27 09:42:56 +08:00 committed by Damien Lespiau
parent f1f5208e1e
commit 5405532ffc
3 changed files with 23 additions and 2 deletions
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1
assembler/src/brw_defines.h
View File

@ -584,6 +584,7 @@
#define BRW_OPCODE_POP 47
#define BRW_OPCODE_WAIT 48
#define BRW_OPCODE_SEND 49
#define BRW_OPCODE_MATH 56
#define BRW_OPCODE_ADD 64
#define BRW_OPCODE_MUL 65
#define BRW_OPCODE_AVG 66

20
assembler/src/gram.y
View File

@ -104,6 +104,7 @@ void set_direct_src_operand(struct src_operand *src, struct direct_reg *reg,
%token <integer> AVG ADD SEL AND OR XOR SHR SHL ASR CMP CMPN PLN
%token <integer> SEND NOP JMPI IF IFF WHILE ELSE BREAK CONT HALT MSAVE
%token <integer> PUSH MREST POP WAIT DO ENDIF ILLEGAL
%token <integer> MATH_INST
%token NULL_TOKEN MATH SAMPLER GATEWAY READ WRITE URB THREAD_SPAWNER
@ -128,6 +129,7 @@ void set_direct_src_operand(struct src_operand *src, struct direct_reg *reg,
%type <instruction> breakinstruction syncinstruction specialinstruction
%type <instruction> msgtarget
%type <instruction> instoptions instoption_list predicate
%type <instruction> mathinstruction
%type <string> label
%type <program> instrseq
%type <integer> instoption
@ -235,6 +237,7 @@ instruction: unaryinstruction
| breakinstruction
| syncinstruction
| specialinstruction
| mathinstruction
;
unaryinstruction:
@ -483,6 +486,23 @@ elseinstruction: ELSE relativelocation
}
;
mathinstruction: predicate MATH_INST execsize dst src srcimm math_function instoptions
{
bzero(&$$, sizeof($$));
$$.header.opcode = $2;
$$.header.sfid_destreg__conditionalmod = $7;
$$.header.execution_size = $3;
set_instruction_options(&$$, &$8);
set_instruction_predicate(&$$, &$1);
if (set_instruction_dest(&$$, &$4) != 0)
YYERROR;
if (set_instruction_src0(&$$, &$5) != 0)
YYERROR;
if (set_instruction_src1(&$$, &$6) != 0)
YYERROR;
}
;
breakinstruction: breakop locationstackcontrol
{
struct direct_reg dst;

4
assembler/src/lex.l
View File

@ -8,7 +8,7 @@
#include "string.h"
int saved_state = 0;
extern char *input_filename;
extern long int gen_level;
%}
%x BLOCK_COMMENT
%x LINENUMBER
@ -101,7 +101,7 @@ extern char *input_filename;
/* send argument tokens */
"mlen" { return MSGLEN; }
"rlen" { return RETURNLEN; }
"math" { return MATH; }
"math" { if (gen_level >= 6) { yylval.integer = BRW_OPCODE_MATH; return MATH_INST; } else return MATH; }
"sampler" { return SAMPLER; }
"gateway" { return GATEWAY; }
"read" { return READ; }