(override_options): Add vr4100 and vr4300 support.

From-SVN: r12248

diff --git a/gcc/config/mips/mips.c b/gcc/config/mips/mips.c
index 42eed3f..783d93c 100644 (file)
--- a/gcc/config/mips/mips.c
+++ b/gcc/config/mips/mips.c
@@ -3290,7 +3290,15 @@ override_options ()
   else
     {
       char *p = mips_cpu_string;
+      int seen_v = FALSE;
 
+      /* We need to cope with the various "vr" prefixes for the NEC 4300
+        and 4100 processors.  */
+      if (*p == 'v' || *p == 'V')
+       {
+         seen_v = TRUE;
+         p++;
+        }
       if (*p == 'r' || *p == 'R')
        p++;
 
@@ -3313,6 +3321,16 @@ override_options ()
        case '4':
          if (!strcmp (p, "4000") || !strcmp (p, "4k") || !strcmp (p, "4K"))
            mips_cpu = PROCESSOR_R4000;
+          /* The vr4100 is a non-FP ISA III processor with some extra
+             instructions.  */
+         else if (!strcmp (p, "4100")) {
+            mips_cpu = PROCESSOR_R4100;
+            target_flags |= MASK_SOFT_FLOAT ;
+          }
+         /* The vr4300 is a standard ISA III processor, but with a different
+            pipeline.  */
+         else if (!strcmp (p, "4300"))
+            mips_cpu = PROCESSOR_R4300;
          /* The r4400 is exactly the same as the r4000 from the compiler's
             viewpoint.  */
          else if (!strcmp (p, "4400"))
@@ -3339,6 +3357,9 @@ override_options ()
          break;
        }
 
+      if (seen_v && mips_cpu != PROCESSOR_R4300 && mips_cpu != PROCESSOR_R4100)
+       mips_cpu = PROCESSOR_DEFAULT;
+
       if (mips_cpu == PROCESSOR_DEFAULT)
        {
          error ("bad value (%s) for -mcpu= switch", mips_cpu_string);
@@ -3349,6 +3370,8 @@ override_options ()
   if ((mips_cpu == PROCESSOR_R3000 && mips_isa > 1)
       || (mips_cpu == PROCESSOR_R6000 && mips_isa > 2)
       || ((mips_cpu == PROCESSOR_R4000
+           || mips_cpu == PROCESSOR_R4100
+           || mips_cpu == PROCESSOR_R4300
           || mips_cpu == PROCESSOR_R4600
           || mips_cpu == PROCESSOR_R4650)
          && mips_isa > 3))