Don't increase instruction count for DEFx and DCL opcodes.

We're still not a perfect match with the Microsoft disassembler estimates. --HG-- branch : trunk
icculus · Apr 22, 2008 · 1968a87 · 1968a87
1 parent 411f919
commit 1968a87
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/mojoshader.c b/mojoshader.c
@@ -3524,6 +3524,9 @@ static void state_DEF(Context *ctx)
 {
     const RegisterType regtype = ctx->dest_arg.regtype;
     const int regnum = ctx->dest_arg.regnum;
+
+    ctx->instruction_count--;  // these don't increase your instruction count.
+
     switch (regtype)
     {
         case REG_TYPE_CONST:
@@ -3542,6 +3545,9 @@ static void state_DEFI(Context *ctx)
 {
     const RegisterType regtype = ctx->dest_arg.regtype;
     const int regnum = ctx->dest_arg.regnum;
+
+    ctx->instruction_count--;  // these don't increase your instruction count.
+
     if (regtype != REG_TYPE_CONSTINT)
         fail(ctx, "DEFI token using invalid register");
     else
@@ -3552,6 +3558,9 @@ static void state_DEFB(Context *ctx)
 {
     const RegisterType regtype = ctx->dest_arg.regtype;
     const int regnum = ctx->dest_arg.regnum;
+
+    ctx->instruction_count--;  // these don't increase your instruction count.
+
     if (regtype != REG_TYPE_CONSTBOOL)
         fail(ctx, "DEFB token using invalid register");
     else
@@ -3564,6 +3573,8 @@ static void state_DCL(Context *ctx)
     const RegisterType regtype = arg->regtype;
     const int regnum = arg->regnum;
 
+    ctx->instruction_count--;  // these don't increase your instruction count.
+
     // parse_args_DCL() does a lot of state checking before we get here.
 
     // !!! FIXME: fail if DCL opcode comes after real instructions.