]> Shamusworld >> Repos - rmac/blobdiff - procln.c
.equr overhaul part 4: handle equrundef (and the other permutations of the directive)
[rmac] / procln.c
index 4e5a846947e636461b6e9beac1f78cfdda8f8a17..3b674c50a8a50f5e09c70ca59585d949bc04da99 100644 (file)
--- a/procln.c
+++ b/procln.c
@@ -222,23 +222,9 @@ loop1:                                                                             // Internal line processing loop
        // Skip past label (but record it)
        if (j == ':' || j == DCOLON)
        {
-as68label:
                label = string[tok[1]];                         // Get label name
                labtyp = tok[2];                                        // Get label type
                tok += 3;                                                       // Go to next line token
-
-               // AS68 MODE:
-               // Looks like another label follows the previous one, so handle
-               // the previous one until there aren't any more
-               if (as68_flag && (*tok == SYMBOL && tok[2] == ':'))
-               {
-                       if (HandleLabel(label, labtyp) != 0)
-                               goto loop;
-
-                       label_defined = label;
-
-                       goto as68label;
-               }
        }
 
        // EOL is legal here...
@@ -448,90 +434,73 @@ have an array of bools with 64 entries. Whenever a register is equated, set the
 corresponding register bool to true. Whenever it's undef'ed, set it to false.
 When checking to see if it's already been equated, issue a warning.
 */
-                       // Check that we are in a RISC section
-                       if (!rgpu && !rdsp)
-                       {
-                               error(".equr/.regequ must be defined in .gpu/.dsp section");
-                               goto loop;
-                       }
 
-                       // Check for register to equate to
-                       if ((*tok >= KW_R0) && (*tok <= KW_R31))
+                       if (rgpu || rdsp)
                        {
-//                             sy->sattre  = EQUATEDREG | RISCSYM;     // Mark as equated register
-                               sy->sattre  = EQUATEDREG;       // Mark as equated register
-                               riscreg = (*tok - KW_R0);
-//is there any reason to do this, since we're putting this in svalue?
-//i'm thinking, no. Let's test that out! :-D
-//                             sy->sattre |= (riscreg << 8);           // Store register number
-//everything seems to build fine without it... We'll leave it here Just In Case(tm)
-
-#define DEBODGE_REGBANK
-#ifdef DEBODGE_REGBANK
-                               // Default is current state of "regbank"
-                               registerbank = regbank;
-#else
-                               // Default is no register bank specified
-                               registerbank = BANK_N;
-#endif
-
-                               // Check for ",<bank #>" override notation
-                               if ((tok[1] == ',') && (tok[2] == CONST))
+                               // GPU/DSP architectures need some special TLC for now
+                               // Check for register to equate to
+                               if ((*tok >= KW_R0) && (*tok <= KW_R31))
                                {
-                                       // Advance token pointer to the constant
-                                       tok += 3;
-
-                                       // Anything other than a 0 or a 1 will result in "No Bank"
-                                       if (*(uint64_t *)tok == 0)
-                                               registerbank = BANK_0;
-                                       else if (*(uint64_t *)tok == 1)
-                                               registerbank = BANK_1;
-
-                                       // Advance half-way through the 64-bit const.
-                                       // The code below, expecting a regular token,
-                                       // will advance past the second half.
+                                       //                              sy->sattre  = EQUATEDREG | RISCSYM;     // Mark as equated register
+                                       sy->sattre = EQUATEDREG;        // Mark as equated register
+                                       riscreg = *tok;
+
+                                       // Default is current state of "regbank"
+                                       registerbank = regbank;
+
+                                       // Check for ",<bank #>" override notation
+                                       if ((tok[1] == ',') && (tok[2] == CONST))
+                                       {
+                                               // Advance token pointer to the constant
+                                               tok += 3;
+
+                                               // Anything other than a 0 or a 1 will result in "No Bank"
+                                               if (*(uint64_t*)tok == 0)
+                                                       registerbank = BANK_0;
+                                               else if (*(uint64_t*)tok == 1)
+                                                       registerbank = BANK_1;
+
+                                               // Advance half-way through the 64-bit const.
+                                               // The code below, expecting a regular token,
+                                               // will advance past the second half.
+                                               tok++;
+                                       }
+
+                                       sy->sattre |= registerbank;     // Store register bank
+                                       eattr = ABS | DEFINED | GLOBAL;
+                                       eval = riscreg;
                                        tok++;
                                }
-
-#ifdef DEBODGE_REGBANK
-                               sy->sattre |= registerbank;     // Store register bank
-#else
-// What needs to happen here is to prime registerbank with regbank, then use
-// registerbank down below for the bank marking.
-#warning "!!! regbank <-> registerbank confusion here !!!"
-// The question here is why, if we're allowed to override the ".regbankN" rules
-// above, then why is it using the one set by the directive in the extended
-// attributes and not in what ends up in symbol->svalue?
-// ".regbankN" is not an original Madmac directive, so it's suspect
-                               sy->sattre |= regbank;          // Store register bank
-#endif
-                               eattr = ABS | DEFINED | GLOBAL;
-                               eval = riscreg;
-                               tok++;
-                       }
-                       // Checking for a register symbol
-                       else if (tok[0] == SYMBOL)
-                       {
-                               sy2 = lookup(string[tok[1]], LABEL, j);
-
-                               // Make sure symbol is a valid equreg
-                               if (!sy2 || !(sy2->sattre & EQUATEDREG))
+                               // Checking for a register symbol
+                               else if (tok[0] == SYMBOL)
                                {
-                                       error("invalid GPU/DSP .equr/.regequ definition");
-                                       goto loop;
+                                       sy2 = lookup(string[tok[1]], LABEL, j);
+
+                                       // Make sure symbol is a valid equreg
+                                       if (!sy2 || !(sy2->sattre & EQUATEDREG))
+                                       {
+                                               error("invalid GPU/DSP .equr/.regequ definition");
+                                               goto loop;
+                                       }
+                                       else
+                                       {
+                                               eattr = ABS | DEFINED | GLOBAL; // Copy symbol's attributes
+                                               sy->sattre = sy2->sattre;
+                                               eval = (sy2->svalue & 0xFFFFF0FF);
+                                               tok += 2;
+                                       }
                                }
                                else
                                {
-                                       eattr = ABS | DEFINED | GLOBAL; // Copy symbols attributes
-                                       sy->sattre = sy2->sattre;
-                                       eval = (sy2->svalue & 0xFFFFF0FF);
-                                       tok += 2;
+                                       error("invalid GPU/DSP .equr/.regequ definition");
+                                       goto loop;
                                }
                        }
                        else
                        {
-                               error("invalid GPU/DSP .equr/.regequ definition");
-                               goto loop;
+                               sy->sattre = EQUATEDREG;        // Mark as equated register
+                               riscreg = *tok;
+                               tok++;
                        }
                }
                else if (equtyp == REG)