From: Kenneth Graunke <kenneth@whitecape.org>
Date: Mon, 8 Oct 2012 16:51:08 +0000 (-0700)
Subject: i965: Delete some dead code from brw_eu_emit.c.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b6346749a839325e938fbb225af06006bc711ac5;p=mesa.git

i965: Delete some dead code from brw_eu_emit.c.

Presumably some of this was used by the old fragment shader backend.
---

diff --git a/src/mesa/drivers/dri/i965/brw_eu.h b/src/mesa/drivers/dri/i965/brw_eu.h
index c9e7590a495..c35c86084ee 100644
--- a/src/mesa/drivers/dri/i965/brw_eu.h
+++ b/src/mesa/drivers/dri/i965/brw_eu.h
@@ -974,13 +974,6 @@ void brw_SAMPLE(struct brw_compile *p,
 		GLuint simd_mode,
 		GLuint return_format);
 
-void brw_math_16( struct brw_compile *p,
-		  struct brw_reg dest,
-		  GLuint function,
-		  GLuint msg_reg_nr,
-		  struct brw_reg src,
-		  GLuint precision );
-
 void brw_math( struct brw_compile *p,
 	       struct brw_reg dest,
 	       GLuint function,
@@ -1012,11 +1005,6 @@ void brw_oword_block_write_scratch(struct brw_compile *p,
 				   int num_regs,
 				   GLuint offset);
 
-void brw_dword_scattered_read(struct brw_compile *p,
-			      struct brw_reg dest,
-			      struct brw_reg mrf,
-			      uint32_t bind_table_index);
-
 void brw_dp_READ_4_vs( struct brw_compile *p,
                        struct brw_reg dest,
                        GLuint location,
diff --git a/src/mesa/drivers/dri/i965/brw_eu_emit.c b/src/mesa/drivers/dri/i965/brw_eu_emit.c
index c36742a6ce6..64dacde2a0d 100644
--- a/src/mesa/drivers/dri/i965/brw_eu_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_eu_emit.c
@@ -1771,74 +1771,6 @@ void brw_math2(struct brw_compile *p,
    brw_set_src1(p, insn, src1);
 }
 
-/**
- * Extended math function, float[16].
- * Use 2 send instructions.
- */
-void brw_math_16( struct brw_compile *p,
-		  struct brw_reg dest,
-		  GLuint function,
-		  GLuint msg_reg_nr,
-		  struct brw_reg src,
-		  GLuint precision )
-{
-   struct intel_context *intel = &p->brw->intel;
-   struct brw_instruction *insn;
-
-   if (intel->gen >= 6) {
-      insn = next_insn(p, BRW_OPCODE_MATH);
-
-      /* Math is the same ISA format as other opcodes, except that CondModifier
-       * becomes FC[3:0] and ThreadCtrl becomes FC[5:4].
-       */
-      insn->header.destreg__conditionalmod = function;
-
-      /* Source modifiers are ignored for extended math instructions. */
-      assert(!src.negate);
-      assert(!src.abs);
-
-      brw_set_dest(p, insn, dest);
-      brw_set_src0(p, insn, src);
-      brw_set_src1(p, insn, brw_null_reg());
-      return;
-   }
-
-   /* First instruction:
-    */
-   brw_push_insn_state(p);
-   brw_set_predicate_control_flag_value(p, 0xff);
-   brw_set_compression_control(p, BRW_COMPRESSION_NONE);
-
-   insn = next_insn(p, BRW_OPCODE_SEND);
-   insn->header.destreg__conditionalmod = msg_reg_nr;
-
-   brw_set_dest(p, insn, dest);
-   brw_set_src0(p, insn, src);
-   brw_set_math_message(p,
-			insn, 
-			function,
-			BRW_MATH_INTEGER_UNSIGNED,
-			precision,
-			BRW_MATH_DATA_VECTOR);
-
-   /* Second instruction:
-    */
-   insn = next_insn(p, BRW_OPCODE_SEND);
-   insn->header.compression_control = BRW_COMPRESSION_2NDHALF;
-   insn->header.destreg__conditionalmod = msg_reg_nr+1;
-
-   brw_set_dest(p, insn, offset(dest,1));
-   brw_set_src0(p, insn, src);
-   brw_set_math_message(p, 
-			insn, 
-			function,
-			BRW_MATH_INTEGER_UNSIGNED,
-			precision,
-			BRW_MATH_DATA_VECTOR);
-
-   brw_pop_insn_state(p);
-}
-
 
 /**
  * Write a block of OWORDs (half a GRF each) from the scratch buffer,
@@ -2082,46 +2014,6 @@ void brw_oword_block_read(struct brw_compile *p,
    brw_pop_insn_state(p);
 }
 
-/**
- * Read a set of dwords from the data port Data Cache (const buffer).
- *
- * Location (in buffer) appears as UD offsets in the register after
- * the provided mrf header reg.
- */
-void brw_dword_scattered_read(struct brw_compile *p,
-			      struct brw_reg dest,
-			      struct brw_reg mrf,
-			      uint32_t bind_table_index)
-{
-   mrf = retype(mrf, BRW_REGISTER_TYPE_UD);
-
-   brw_push_insn_state(p);
-   brw_set_predicate_control(p, BRW_PREDICATE_NONE);
-   brw_set_compression_control(p, BRW_COMPRESSION_NONE);
-   brw_set_mask_control(p, BRW_MASK_DISABLE);
-   brw_MOV(p, mrf, retype(brw_vec8_grf(0, 0), BRW_REGISTER_TYPE_UD));
-   brw_pop_insn_state(p);
-
-   struct brw_instruction *insn = next_insn(p, BRW_OPCODE_SEND);
-   insn->header.destreg__conditionalmod = mrf.nr;
-
-   /* cast dest to a uword[8] vector */
-   dest = retype(vec8(dest), BRW_REGISTER_TYPE_UW);
-
-   brw_set_dest(p, insn, dest);
-   brw_set_src0(p, insn, brw_null_reg());
-
-   brw_set_dp_read_message(p,
-			   insn,
-			   bind_table_index,
-			   BRW_DATAPORT_DWORD_SCATTERED_BLOCK_8DWORDS,
-			   BRW_DATAPORT_READ_MESSAGE_DWORD_SCATTERED_READ,
-			   BRW_DATAPORT_READ_TARGET_DATA_CACHE,
-			   2, /* msg_length */
-			   1); /* response_length */
-}
-
-
 
 /**
  * Read float[4] constant(s) from VS constant buffer.