From: Keith Whitwell <keith@tungstengraphics.com>
Date: Wed, 4 May 2005 11:20:59 +0000 (+0000)
Subject: Mark unused registers as undefined so dissassemblers can recognized
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=209b090241d2b4e7bf557e34f7417c847b23f596;p=mesa.git

Mark unused registers as undefined so dissassemblers can recognized
them easily.
---

diff --git a/src/mesa/shader/arbprogparse.c b/src/mesa/shader/arbprogparse.c
index 4a907afc75f..d46e5a3a838 100644
--- a/src/mesa/shader/arbprogparse.c
+++ b/src/mesa/shader/arbprogparse.c
@@ -2764,6 +2764,11 @@ parse_fp_instruction (GLcontext * ctx, GLubyte ** inst,
 
    fp->Data = NULL;
 
+   fp->DstReg.File = 0xf;	/* mark as undef */
+   fp->SrcReg[0].File = 0xf;	/* mark as undef */
+   fp->SrcReg[1].File = 0xf;	/* mark as undef */
+   fp->SrcReg[2].File = 0xf;	/* mark as undef */
+
    /* OP_ALU_INST or OP_TEX_INST */
    instClass = *(*inst)++;
 
@@ -3825,6 +3830,11 @@ parse_arb_program (GLcontext * ctx, GLubyte * inst, struct var_cache **vc_head,
                                                   (Program->Base.NumInstructions+1)*sizeof(struct fp_instruction));
 
       Program->FPInstructions[Program->Base.NumInstructions].Opcode = FP_OPCODE_END;
+      Program->FPInstructions[Program->Base.NumInstructions].Saturate = 0;
+      Program->FPInstructions[Program->Base.NumInstructions].DstReg.File = 0xf;
+      Program->FPInstructions[Program->Base.NumInstructions].SrcReg[0].File = 0xf;
+      Program->FPInstructions[Program->Base.NumInstructions].SrcReg[1].File = 0xf;
+      Program->FPInstructions[Program->Base.NumInstructions].SrcReg[2].File = 0xf;
       /* YYY Wrong Position in program, whatever, at least not random -> crash
 	 Program->Position = parse_position (&inst);
       */