move _mesa_init_instruction() to program.c
diff --git a/src/mesa/shader/program.c b/src/mesa/shader/program.c
index 38982de..b637132 100644
--- a/src/mesa/shader/program.c
+++ b/src/mesa/shader/program.c
@@ -1192,6 +1192,31 @@
/**
+ * Initialize program instruction fields to defaults.
+ */
+void
+_mesa_init_instruction(struct prog_instruction *inst)
+{
+ _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;
+}
+
+
+/**
* Basic info about each instruction
*/
struct instruction_info