Add syntax for extended math send functions, and adjust packed_yuv_sf for it.

assembler/gram.y

@@ -78,6 +78,10 @@
 %token <integer> INTEGER
 %token <number> NUMBER
 
+%token <integer> INV LOG EXP SQRT RSQ POW SIN COS SINCOS INTDIV INTMOD
+%token <integer> INTDIVMOD
+%token SIGNED SCALAR
+
 %type <instruction> instruction unaryinstruction binaryinstruction
 %type <instruction> binaryaccinstruction triinstruction sendinstruction
 %type <instruction> specialinstruction
@@ -92,6 +96,7 @@
 %type <integer> regtype srcimmtype execsize dstregion
 %type <integer> subregnum sampler_datatype
 %type <integer> urb_swizzle urb_allocate urb_used urb_complete
+%type <integer> math_function math_signed math_scalar
 %type <region> region
 %type <direct_gen_reg> directgenreg directmsgreg addrreg accreg flagreg maskreg
 %type <direct_gen_reg> nullreg
@@ -263,9 +268,17 @@ msgtarget:	NULL_TOKEN
 		    break;
 		  }
 		}
-		| MATH
+		| MATH math_function saturate math_signed math_scalar
 		{
 		  $$.bits3.generic.msg_target = BRW_MESSAGE_TARGET_MATH;
+		  $$.bits3.math.function = $2;
+		  if ($3 == BRW_INSTRUCTION_SATURATE)
+		    $$.bits3.math.saturate = 1;
+		  else
+		    $$.bits3.math.saturate = 0;
+		  $$.bits3.math.int_type = $4;
+		  $$.bits3.math.precision = BRW_MATH_PRECISION_FULL;
+		  $$.bits3.math.data_type = $5;
 		}
 		| GATEWAY
 		{
@@ -311,25 +324,41 @@ msgtarget:	NULL_TOKEN
 
 urb_allocate:	ALLOCATE { $$ = 1; }
 		| /* empty */ { $$ = 0; }
+;
 
 urb_used:	USED { $$ = 1; }
 		| /* empty */ { $$ = 0; }
+;
 
 urb_complete:	COMPLETE { $$ = 1; }
 		| /* empty */ { $$ = 0; }
+;
 
 urb_swizzle:	TRANSPOSE { $$ = BRW_URB_SWIZZLE_TRANSPOSE; }
 		| INTERLEAVE { $$ = BRW_URB_SWIZZLE_INTERLEAVE; }
 		| /* empty */ { $$ = BRW_URB_SWIZZLE_NONE; }
+;
 
 sampler_datatype:
 		TYPE_F
 		| TYPE_UD
 		| TYPE_D
+;
+
+math_function:	INV | LOG | EXP | SQRT | POW | SIN | COS | SINCOS | INTDIV
+		| INTMOD | INTDIVMOD
+;
+
+math_signed:	/* empty */ { $$ = 0; }
+		| SIGNED { $$ = 1; }
+
+math_scalar:	/* empty */ { $$ = 0; }
+		| SCALAR { $$ = 1; }
 
 /* 1.4.2: Destination register */
 
 dst:		dstoperand | dstoperandex
+;
 
 /* XXX: dstregion writemask */
 dstoperand:	dstreg dstregion regtype

assembler/lex.l

@@ -2,6 +2,7 @@
 %{
 #include "gen4asm.h"
 #include "y.tab.h"
+#include "brw_defines.h"
 
 int saved_state = INITIAL;
 
@@ -121,6 +122,32 @@ int saved_state = INITIAL;
 "mask_disable" { return MASK_DISABLE; }
 "EOT" { return EOT; }
 
+ /* extended math functions */
+"inv" { yylval.integer = BRW_MATH_FUNCTION_INV; return SIN; }
+"log" { yylval.integer = BRW_MATH_FUNCTION_LOG; return LOG; }
+"exp" { yylval.integer = BRW_MATH_FUNCTION_EXP; return EXP; }
+"sqrt" { yylval.integer = BRW_MATH_FUNCTION_SQRT; return SQRT; }
+"rsq" { yylval.integer = BRW_MATH_FUNCTION_RSQ; return RSQ; }
+"pow" { yylval.integer = BRW_MATH_FUNCTION_POW; return POW; }
+"sin" { yylval.integer = BRW_MATH_FUNCTION_SIN; return SIN; }
+"cos" { yylval.integer = BRW_MATH_FUNCTION_COS; return COS; }
+"sincos" { yylval.integer = BRW_MATH_FUNCTION_SINCOS; return SINCOS; }
+"intdiv" {
+	yylval.integer = BRW_MATH_FUNCTION_INT_DIV_QUOTIENT;
+	return INTDIV;
+}
+"intmod" {
+	yylval.integer = BRW_MATH_FUNCTION_INT_DIV_REMAINDER;
+	return INTMOD;
+}
+"intdivmod" {
+	yylval.integer = BRW_MATH_FUNCTION_INT_DIV_QUOTIENT_AND_REMAINDER;
+	return INTDIVMOD;
+}
+
+"signed" { return SIGNED; }
+"scalar" { return SCALAR; }
+
 [0-9]* {
 	yylval.integer = atoi(yytext);
 	return INTEGER;

assembler/packed_yuv_sf.g4a

@@ -1,5 +1,5 @@
-send (1) 0 g6<1>F g1.12<0,1,0>F math mlen 1 rlen 1 { align1 };
+send (1) 0 g6<1>F g1.12<0,1,0>F math inv scalar mlen 1 rlen 1 { align1 };
-send (1) 0 g6.4<1>F g1.20<0,1,0>F math mlen 1 rlen 1 { align1 };
+send (1) 0 g6.4<1>F g1.20<0,1,0>F math inv scalar mlen 1 rlen 1 { align1 };
 add (8) g7<1>F g4<8,8,1>F g3<8,8,1>F { align1 };
 mul (1) g7<1>F g7<0,1,0>F g6<0,1,0>F { align1 };
 mul (1) g7.4<1>F g7.4<0,1,0>F g6.4<0,1,0>F { align1 };