]> Shamusworld >> Repos - rmac/blobdiff - riscasm.c
Removed some dead code, as well as all gpu/dsp regbank check code (not only it was...
[rmac] / riscasm.c
index f16abe0f30d201ffda4e5c424442bac1f784399b..706cac8f10ae3bc80a99ecf3e6eb7369d3cf8e7d 100644 (file)
--- a/riscasm.c
+++ b/riscasm.c
@@ -204,19 +204,6 @@ static int EvaluateRegisterFromTokenStream(uint32_t fixup)
        int reg = *tok & 255;
        if (reg >= KW_R0 && reg <= KW_R31)
        {
-               // Check register bank usage in the case of .equr register
-               // (encoded as bits 30 and 31 in *tok).
-               // (I still think that this is superfluous and should be taken out, see my note in token.c)
-               if (*tok & 0x80000000)
-               {
-                       // Oops, with all the evaluation in token.c we now lost the equated symbol reference, so we
-                       // don't know its name or anything else. Oh well...
-                       if ((regbank == BANK_0) && (*tok & 0x40000000) && !altbankok)
-                               return error("equated symbol cannot be used in register bank 0");
-
-                       if ((regbank == BANK_1) && !(*tok & 0x40000000) && !altbankok)
-                               return error("equated symbol cannot be used in register bank 1");
-               }
                reg -= KW_R0;
                tok++;
                return reg;
@@ -246,13 +233,6 @@ static int EvaluateRegisterFromTokenStream(uint32_t fixup)
 
        // We shouldn't get here, that should not be legal
        interror(9);
-
-       // If we got a register in range (0-31), return it
-       //if (eattr & RISCREG)
-       //      return (int)eval - KW_R0;
-
-       //// Otherwise, it's out of range & we flag an error
-       //return error(reg_err);
 }
 
 //
@@ -471,39 +451,12 @@ int GenerateRISCCode(int state)
         if ((tok[1] == '+') || (tok[1] == '-'))
                {
                        // Trying to make indexed call
-                       // Note: no bank check for .equr symbol here, but the original code for .equr
-                       //       below also didn't check for banks. Even more reasons to throw away
-                       //       bank checks.
-                       if (((*tok & 0xff) == KW_R14) || ((*tok &0xff) == KW_R15))
-                               indexed = ((*tok & 0xff) - KW_R0);
+                       if ((*tok == KW_R14) || (*tok == KW_R15))
+                               indexed = (*tok - KW_R0);
                        else
                                return IllegalIndexedRegister(*tok);
                }
 
-               //if (*tok == SYMBOL)
-               //{
-               //      sy = lookup(string[tok[1]], LABEL, 0);
-               //
-               //      if (!sy)
-               //      {
-               //              error(reg_err);
-               //              return ERROR;
-               //      }
-               //
-               //      if (sy->sattre & EQUATEDREG)
-               //      {
-               //              if ((tok[2] == '+') || (tok[2] == '-'))
-               //              {
-               //                      if ((sy->svalue - KW_R0) == 14 || (sy->svalue - KW_R0) == 15) {
-               //                              indexed = (sy->svalue - KW_R0);
-               //                              tok++;
-               //                      }
-               //                      else
-               //                              return IllegalIndexedRegisterEqur(sy);
-               //              }
-               //      }
-               //}
-
                if (!indexed)
                {
                        EVAL_REG_RETURN_IF_ERROR(reg1, FU_REGONE);
@@ -519,7 +472,7 @@ int GenerateRISCCode(int state)
                                parm = (WORD)(reg1 - 14 + 58);
                                tok++;
 
-                               if (((*tok & 0xff) >= KW_R0) && ((*tok & 0xff) <= KW_R31))
+                               if ((*tok >= KW_R0) && (*tok <= KW_R31))
                                        indexed = 1;
 
                                if (*tok == SYMBOL)
@@ -595,31 +548,8 @@ int GenerateRISCCode(int state)
                tok++;
                indexed = 0;
 
-               // Again, no bank checks here or in the original code.
-               // This check has more holes than a very hole-y thing.
-               if ((((*tok & 0xff) == KW_R14) || ((*tok & 0xff) == KW_R15)) && (tok[1] != ')'))
-                       indexed = (*tok & 0xff) - KW_R0;
-
-               //if (*tok == SYMBOL)
-               //{
-               //      sy = lookup(string[tok[1]], LABEL, 0);
-               //
-               //      if (!sy)
-               //      {
-               //              error(reg_err);
-               //              return ERROR;
-               //      }
-               //
-               //      if (sy->sattre & EQUATEDREG)
-               //      {
-               //              if (((sy->svalue - KW_R0) == 14 || (sy->svalue - KW_R0) == 15)
-               //                      && (tok[2] != ')'))
-               //              {
-               //                      indexed = (sy->svalue - KW_R0);
-               //                      tok++;
-               //              }
-               //      }
-               //}
+               if (((*tok == KW_R14) || (*tok == KW_R15)) && (tok[1] != ')'))
+                       indexed = *tok - KW_R0;
 
                if (!indexed)
                {
@@ -636,7 +566,7 @@ int GenerateRISCCode(int state)
                                parm = (WORD)(reg2 - 14 + 60);
                                tok++;
 
-                               if (((*tok & 0xff) >= KW_R0) && ((*tok & 0xff) <= KW_R31))
+                               if ((*tok >= KW_R0) && (*tok <= KW_R31))
                                        indexed = 1;
 
                                if (*tok == SYMBOL)