From: Francisco Jerez <currojerez@riseup.net>
Date: Wed, 4 Sep 2019 00:51:17 +0000 (-0700)
Subject: intel/fs/gen12: Add codegen support for the SYNC instruction.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c22db5e1885ffbc4eb658bb27d3638749d425b03;p=mesa.git

intel/fs/gen12: Add codegen support for the SYNC instruction.

Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
---

diff --git a/src/intel/compiler/brw_eu.h b/src/intel/compiler/brw_eu.h
index 8476d090dd5..654246d7fdd 100644
--- a/src/intel/compiler/brw_eu.h
+++ b/src/intel/compiler/brw_eu.h
@@ -1080,6 +1080,8 @@ void brw_NOP(struct brw_codegen *p);
 
 void brw_WAIT(struct brw_codegen *p);
 
+void brw_SYNC(struct brw_codegen *p, enum tgl_sync_function func);
+
 /* Special case: there is never a destination, execution size will be
  * taken from src0:
  */
diff --git a/src/intel/compiler/brw_eu_defines.h b/src/intel/compiler/brw_eu_defines.h
index 7252e0cb4b1..21bf8a99923 100644
--- a/src/intel/compiler/brw_eu_defines.h
+++ b/src/intel/compiler/brw_eu_defines.h
@@ -1004,6 +1004,14 @@ enum PACKED brw_width {
    BRW_WIDTH_16 = 4,
 };
 
+enum tgl_sync_function {
+   TGL_SYNC_NOP = 0x0,
+   TGL_SYNC_ALLRD = 0x2,
+   TGL_SYNC_ALLWR = 0x3,
+   TGL_SYNC_BAR = 0xe,
+   TGL_SYNC_HOST = 0xf
+};
+
 /**
  * Message target: Shared Function ID for where to SEND a message.
  *
diff --git a/src/intel/compiler/brw_eu_emit.c b/src/intel/compiler/brw_eu_emit.c
index 7bbc5d30b98..e5d212bdba4 100644
--- a/src/intel/compiler/brw_eu_emit.c
+++ b/src/intel/compiler/brw_eu_emit.c
@@ -1271,9 +1271,11 @@ void brw_NOP(struct brw_codegen *p)
    brw_inst_set_opcode(p->devinfo, insn, BRW_OPCODE_NOP);
 }
 
-
-
-
+void brw_SYNC(struct brw_codegen *p, enum tgl_sync_function func)
+{
+   brw_inst *insn = next_insn(p, BRW_OPCODE_SYNC);
+   brw_inst_set_cond_modifier(p->devinfo, insn, func);
+}
 
 /***********************************************************************
  * Comparisons, if/else/endif
diff --git a/src/intel/compiler/brw_fs_generator.cpp b/src/intel/compiler/brw_fs_generator.cpp
index 2f6309750bd..f19255f52d4 100644
--- a/src/intel/compiler/brw_fs_generator.cpp
+++ b/src/intel/compiler/brw_fs_generator.cpp
@@ -1755,6 +1755,10 @@ fs_generator::generate_code(const cfg_t *cfg, int dispatch_width,
       assert(inst->mlen <= BRW_MAX_MSG_LENGTH);
 
       switch (inst->opcode) {
+      case BRW_OPCODE_SYNC:
+         assert(src[0].file == BRW_IMMEDIATE_VALUE);
+         brw_SYNC(p, tgl_sync_function(src[0].ud));
+         break;
       case BRW_OPCODE_MOV:
 	 brw_MOV(p, dst, src[0]);
 	 break;