brw_eu.c File Reference

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Functions
void	brw_set_predicate_control_flag_value (struct brw_compile *p, unsigned value)
void	brw_set_predicate_control (struct brw_compile *p, unsigned pc)
void	brw_set_conditionalmod (struct brw_compile *p, unsigned conditional)
void	brw_set_access_mode (struct brw_compile *p, unsigned access_mode)
void	brw_set_compression_control (struct brw_compile *p, boolean compression_control)
void	brw_set_mask_control (struct brw_compile *p, unsigned value)
void	brw_set_saturate (struct brw_compile *p, unsigned value)
void	brw_push_insn_state (struct brw_compile *p)
void	brw_pop_insn_state (struct brw_compile *p)
void	brw_init_compile (struct brw_compile *p)
const unsigned *	brw_get_program (struct brw_compile *p, unsigned *sz)

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Function Documentation

const unsigned* brw_get_program	(	struct brw_compile *	p,
		unsigned *	sz
	)

Definition at line 119 of file brw_eu.c.

References brw_NOP(), brw_compile::nr_insn, and brw_compile::store.

{
   unsigned i;

   for (i = 0; i < 8; i++)
      brw_NOP(p);

   *sz = p->nr_insn * sizeof(struct brw_instruction);
   return (const unsigned *)p->store;
}

void brw_init_compile

(

struct brw_compile *

p

)

Definition at line 104 of file brw_eu.c.

References BRW_COMPRESSION_NONE, BRW_MASK_ENABLE, brw_set_compression_control(), brw_set_mask_control(), brw_set_predicate_control_flag_value(), brw_set_saturate(), brw_compile::current, brw_compile::nr_insn, and brw_compile::stack.

{
   p->nr_insn = 0;
   p->current = p->stack;
   memset(p->current, 0, sizeof(p->current[0]));

   /* Some defaults?
    */
   brw_set_mask_control(p, BRW_MASK_ENABLE); /* what does this do? */
   brw_set_saturate(p, 0);
   brw_set_compression_control(p, BRW_COMPRESSION_NONE);
   brw_set_predicate_control_flag_value(p, 0xff); 
}

void brw_pop_insn_state

(

struct brw_compile *

p

)

Definition at line 95 of file brw_eu.c.

References assert, brw_compile::current, and brw_compile::stack.

{
   assert(p->current != p->stack);
   p->current--;
}

void brw_push_insn_state

(

struct brw_compile *

p

)

Definition at line 88 of file brw_eu.c.

References assert, BRW_EU_MAX_INSN_STACK, brw_compile::current, and brw_compile::stack.

{
   assert(p->current != &p->stack[BRW_EU_MAX_INSN_STACK-1]);
   memcpy(p->current+1, p->current, sizeof(struct brw_instruction));
   p->current++;   
}

void brw_set_access_mode	(	struct brw_compile *	p,
		unsigned	access_mode
	)

Definition at line 68 of file brw_eu.c.

References brw_instruction::access_mode, brw_compile::current, and brw_instruction::header.

{
   p->current->header.access_mode = access_mode;
}

void brw_set_compression_control	(	struct brw_compile *	p,
		boolean	compression_control
	)

Definition at line 73 of file brw_eu.c.

References brw_instruction::compression_control, brw_compile::current, and brw_instruction::header.

{
   p->current->header.compression_control = compression_control;
}

void brw_set_conditionalmod	(	struct brw_compile *	p,
		unsigned	conditional
	)

Definition at line 63 of file brw_eu.c.

References brw_compile::current, brw_instruction::destreg__conditonalmod, and brw_instruction::header.

{
   p->current->header.destreg__conditonalmod = conditional;
}

void brw_set_mask_control	(	struct brw_compile *	p,
		unsigned	value
	)

Definition at line 78 of file brw_eu.c.

References brw_compile::current, brw_instruction::header, and brw_instruction::mask_control.

{
   p->current->header.mask_control = value;
}

void brw_set_predicate_control	(	struct brw_compile *	p,
		unsigned	pc
	)

Definition at line 58 of file brw_eu.c.

References brw_compile::current, brw_instruction::header, and brw_instruction::predicate_control.

{
   p->current->header.predicate_control = pc;
}

void brw_set_predicate_control_flag_value	(	struct brw_compile *	p,
		unsigned	value
	)

Definition at line 42 of file brw_eu.c.

References brw_flag_reg(), brw_imm_uw(), brw_MOV(), brw_pop_insn_state(), BRW_PREDICATE_NONE, BRW_PREDICATE_NORMAL, brw_push_insn_state(), brw_compile::current, brw_compile::flag_value, brw_instruction::header, and brw_instruction::predicate_control.

{
   p->current->header.predicate_control = BRW_PREDICATE_NONE;

   if (value != 0xff) {
      if (value != p->flag_value) {
         brw_push_insn_state(p);
         brw_MOV(p, brw_flag_reg(), brw_imm_uw(value));
         p->flag_value = value;
         brw_pop_insn_state(p);
      }

      p->current->header.predicate_control = BRW_PREDICATE_NORMAL;
   }   
}

void brw_set_saturate	(	struct brw_compile *	p,
		unsigned	value
	)

Definition at line 83 of file brw_eu.c.

References brw_compile::current, brw_instruction::header, and brw_instruction::saturate.

{
   p->current->header.saturate = value;
}

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