7 files changed, 32 insertions, 27 deletions
diff --git a/src/mesa/main/texenvprogram.c b/src/mesa/main/texenvprogram.c
index 5f798cc7df..5cdb2342cd 100644
--- a/src/mesa/main/texenvprogram.c
+++ b/src/mesa/main/texenvprogram.c
@@ -474,7 +474,7 @@ emit_op(struct texenv_fragment_program *p,
    GLuint nr = p->program->Base.NumInstructions++;
    struct prog_instruction *inst = &p->program->Base.Instructions[nr];
       
-   _mesa_init_instruction(inst);
+   _mesa_init_instructions(inst, 1);
    inst->Opcode = op;
    
    emit_arg( &inst->SrcReg[0], src0 );
diff --git a/src/mesa/shader/arbprogparse.c b/src/mesa/shader/arbprogparse.c
index 300f667683..43e3bc183d 100644
--- a/src/mesa/shader/arbprogparse.c
+++ b/src/mesa/shader/arbprogparse.c
@@ -2650,7 +2650,7 @@ parse_fp_instruction (GLcontext * ctx, const GLubyte ** inst,
    GLubyte instClass, type, code;
    GLboolean rel;
 
-   _mesa_init_instruction(fp);
+   _mesa_init_instructions(fp, 1);
 
    /* Record the position in the program string for debugging */
    fp->StringPos = Program->Position;
@@ -3142,7 +3142,7 @@ parse_vp_instruction (GLcontext * ctx, const GLubyte ** inst,
    /* The actual opcode name */
    code = *(*inst)++;
 
-   _mesa_init_instruction(vp);
+   _mesa_init_instructions(vp, 1);
    /* Record the position in the program string for debugging */
    vp->StringPos = Program->Position;
 
@@ -3684,7 +3684,7 @@ parse_instructions(GLcontext * ctx, const GLubyte * inst,
    /* Finally, tag on an OPCODE_END instruction */
    {
       const GLuint numInst = Program->Base.NumInstructions;
-      _mesa_init_instruction(Program->Base.Instructions + numInst);
+      _mesa_init_instructions(Program->Base.Instructions + numInst, 1);
       Program->Base.Instructions[numInst].Opcode = OPCODE_END;
       /* YYY Wrong Position in program, whatever, at least not random -> crash
 	 Program->Position = parse_position (&inst);
diff --git a/src/mesa/shader/nvfragparse.c b/src/mesa/shader/nvfragparse.c
index 49ce220944..5f3a30b741 100644
--- a/src/mesa/shader/nvfragparse.c
+++ b/src/mesa/shader/nvfragparse.c
@@ -1273,7 +1273,7 @@ Parse_InstructionSequence(struct parse_state *parseState,
       GLubyte token[100];
 
       /* Initialize the instruction */
-      _mesa_init_instruction(inst);
+      _mesa_init_instructions(inst, 1);
 
       /* special instructions */
       if (Parse_String(parseState, "DEFINE")) {
diff --git a/src/mesa/shader/nvvertparse.c b/src/mesa/shader/nvvertparse.c
index f3821d7f43..ecfe8ec334 100644
--- a/src/mesa/shader/nvvertparse.c
+++ b/src/mesa/shader/nvvertparse.c
@@ -1143,7 +1143,7 @@ Parse_InstructionSequence(struct parse_state *parseState,
       struct prog_instruction *inst = program + parseState->numInst;
 
       /* Initialize the instruction */
-      _mesa_init_instruction(inst);
+      _mesa_init_instructions(inst, 1);
 
       if (Parse_String(parseState, "MOV")) {
          if (!Parse_UnaryOpInstruction(parseState, inst, OPCODE_MOV))
diff --git a/src/mesa/shader/program.c b/src/mesa/shader/program.c
index 8ac38ae119..96c1388f84 100644
--- a/src/mesa/shader/program.c
+++ b/src/mesa/shader/program.c
@@ -1307,26 +1307,32 @@ _mesa_load_state_parameters(GLcontext *ctx,
 
 /**
  * Initialize program instruction fields to defaults.
+ * \param inst  first instruction to initialize
+ * \param count  number of instructions to initialize
  */
 void
-_mesa_init_instruction(struct prog_instruction *inst)
+_mesa_init_instructions(struct prog_instruction *inst, GLuint count)
 {
-   _mesa_bzero(inst, sizeof(struct prog_instruction));
-
-   inst->SrcReg[0].File = PROGRAM_UNDEFINED;
-   inst->SrcReg[0].Swizzle = SWIZZLE_NOOP;
-   inst->SrcReg[1].File = PROGRAM_UNDEFINED;
-   inst->SrcReg[1].Swizzle = SWIZZLE_NOOP;
-   inst->SrcReg[2].File = PROGRAM_UNDEFINED;
-   inst->SrcReg[2].Swizzle = SWIZZLE_NOOP;
-
-   inst->DstReg.File = PROGRAM_UNDEFINED;
-   inst->DstReg.WriteMask = WRITEMASK_XYZW;
-   inst->DstReg.CondMask = COND_TR;
-   inst->DstReg.CondSwizzle = SWIZZLE_NOOP;
-
-   inst->SaturateMode = SATURATE_OFF;
-   inst->Precision = FLOAT32;
+   GLuint i;
+
+   _mesa_bzero(inst, count * sizeof(struct prog_instruction));
+
+   for (i = 0; i < count; i++) {
+      inst[i].SrcReg[0].File = PROGRAM_UNDEFINED;
+      inst[i].SrcReg[0].Swizzle = SWIZZLE_NOOP;
+      inst[i].SrcReg[1].File = PROGRAM_UNDEFINED;
+      inst[i].SrcReg[1].Swizzle = SWIZZLE_NOOP;
+      inst[i].SrcReg[2].File = PROGRAM_UNDEFINED;
+      inst[i].SrcReg[2].Swizzle = SWIZZLE_NOOP;
+
+      inst[i].DstReg.File = PROGRAM_UNDEFINED;
+      inst[i].DstReg.WriteMask = WRITEMASK_XYZW;
+      inst[i].DstReg.CondMask = COND_TR;
+      inst[i].DstReg.CondSwizzle = SWIZZLE_NOOP;
+
+      inst[i].SaturateMode = SATURATE_OFF;
+      inst[i].Precision = FLOAT32;
+   }
 }
 
 
diff --git a/src/mesa/shader/program_instruction.h b/src/mesa/shader/program_instruction.h
index 93bcfc240a..cdec0ceb2a 100644
--- a/src/mesa/shader/program_instruction.h
+++ b/src/mesa/shader/program_instruction.h
@@ -343,7 +343,7 @@ struct prog_instruction
 
 
 extern void
-_mesa_init_instruction(struct prog_instruction *inst);
+_mesa_init_instructions(struct prog_instruction *inst, GLuint count);
 
 extern GLuint
 _mesa_num_inst_src_regs(enum prog_opcode opcode);
diff --git a/src/mesa/shader/programopt.c b/src/mesa/shader/programopt.c
index 55991dcce3..b17f5afc69 100644
--- a/src/mesa/shader/programopt.c
+++ b/src/mesa/shader/programopt.c
@@ -85,8 +85,8 @@ _mesa_insert_mvp_code(GLcontext *ctx, struct gl_vertex_program *vprog)
     * newInst[2] = DP4 result.position.z, mvp.row[2], vertex.position;
     * newInst[3] = DP4 result.position.w, mvp.row[3], vertex.position;
     */
+   _mesa_init_instructions(newInst, 4);
    for (i = 0; i < 4; i++) {
-      _mesa_init_instruction(newInst + i);
       newInst[i].Opcode = OPCODE_DP4;
       newInst[i].DstReg.File = PROGRAM_OUTPUT;
       newInst[i].DstReg.Index = VERT_RESULT_HPOS;
@@ -191,8 +191,7 @@ _mesa_append_fog_code(GLcontext *ctx, struct gl_fragment_program *fprog)
    }
    assert(inst->Opcode == OPCODE_END); /* we'll overwrite this inst */
 
-   for (i = 0; i < 6; i++)
-      _mesa_init_instruction(inst + i);
+   _mesa_init_instructions(inst, 6);
 
    /* emit instructions to compute fog blending factor */
    if (fprog->FogOption == GL_LINEAR) {