Mesa (mesa_7_6_branch): r600: add beginnings of ARL instruction

[Andre Maasikas]

Module: Mesa
Branch: mesa_7_6_branch
Commit: b86302283b48654682e0580c53ece01bf095fa95
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=b86302283b48654682e0580c53ece01bf095fa95

Author: Andre Maasikas <amaasikas at gmail.com>
Date:   Tue Oct 20 11:45:39 2009 +0300

r600: add beginnings of ARL instruction

---

 src/mesa/drivers/dri/r600/r700_assembler.c |   35 +++++++++++++++++++++++++--
 src/mesa/drivers/dri/r600/r700_assembler.h |    1 +
 2 files changed, 33 insertions(+), 3 deletions(-)

diff --git a/src/mesa/drivers/dri/r600/r700_assembler.c b/src/mesa/drivers/dri/r600/r700_assembler.c
index a683008..d0eb994 100644
--- a/src/mesa/drivers/dri/r600/r700_assembler.c
+++ b/src/mesa/drivers/dri/r600/r700_assembler.c
@@ -355,6 +355,7 @@ unsigned int r700GetNumOperands(r700_AssemblerBase* pAsm)
         return 2;  
 
     case SQ_OP2_INST_MOV: 
+    case SQ_OP2_INST_MOVA_FLOOR:
     case SQ_OP2_INST_FRACT:
     case SQ_OP2_INST_FLOOR:
     case SQ_OP2_INST_EXP_IEEE:
@@ -2064,7 +2065,7 @@ GLboolean assemble_alu_instruction(r700_AssemblerBase *pAsm)
         }
 
         //other bits
-        alu_instruction_ptr->m_Word0.f.index_mode = SQ_INDEX_LOOP;
+        alu_instruction_ptr->m_Word0.f.index_mode = SQ_INDEX_AR_X;
 
         if(   (is_single_scalar_operation == GL_TRUE) 
            || (GL_TRUE == bSplitInst) )
@@ -2398,6 +2399,35 @@ GLboolean assemble_ADD(r700_AssemblerBase *pAsm)
     return GL_TRUE;
 }
 
+GLboolean assemble_ARL(r700_AssemblerBase *pAsm)
+{ /* TODO: ar values dont' persist between clauses */
+    if( GL_FALSE == checkop1(pAsm) )
+    {
+        return GL_FALSE;
+    }
+
+    pAsm->D.dst.opcode = SQ_OP2_INST_MOVA_FLOOR;
+    setaddrmode_PVSDST(&(pAsm->D.dst), ADDR_ABSOLUTE);
+    pAsm->D.dst.rtype = DST_REG_TEMPORARY;
+    pAsm->D.dst.reg = 0;
+    pAsm->D.dst.writex = 0;
+    pAsm->D.dst.writey = 0;
+    pAsm->D.dst.writez = 0;
+    pAsm->D.dst.writew = 0;
+
+    if( GL_FALSE == assemble_src(pAsm, 0, -1) )
+    {
+        return GL_FALSE;
+    }
+
+    if( GL_FALSE == next_ins(pAsm) )
+    {
+        return GL_FALSE;
+    }
+
+    return GL_TRUE;
+}
+
 GLboolean assemble_BAD(char *opcode_str) 
 {
     radeon_error("Not yet implemented instruction (%s)\n", opcode_str);
@@ -3812,8 +3842,7 @@ GLboolean AssembleInstr(GLuint uiNumberInsts,
             break;  
 
         case OPCODE_ARL: 
-            radeon_error("Not yet implemented instruction OPCODE_ARL \n");
-            //if ( GL_FALSE == assemble_BAD("ARL") ) 
+            if ( GL_FALSE == assemble_ARL(pR700AsmCode) ) 
                 return GL_FALSE;
             break;
         case OPCODE_ARR: 
diff --git a/src/mesa/drivers/dri/r600/r700_assembler.h b/src/mesa/drivers/dri/r600/r700_assembler.h
index 73bb8ba..d639592 100644
--- a/src/mesa/drivers/dri/r600/r700_assembler.h
+++ b/src/mesa/drivers/dri/r600/r700_assembler.h
@@ -461,6 +461,7 @@ GLboolean next_ins(r700_AssemblerBase *pAsm);
 GLboolean assemble_math_function(r700_AssemblerBase* pAsm, BITS opcode);
 GLboolean assemble_ABS(r700_AssemblerBase *pAsm);
 GLboolean assemble_ADD(r700_AssemblerBase *pAsm);
+GLboolean assemble_ARL(r700_AssemblerBase *pAsm);
 GLboolean assemble_BAD(char *opcode_str);
 GLboolean assemble_CMP(r700_AssemblerBase *pAsm);
 GLboolean assemble_COS(r700_AssemblerBase *pAsm);