[RS6000] Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS

	* config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
	throughout file.
	* config/rs6000/darwin.h: Likewise.
	* config/rs6000/rs6000.c: Likewise.

From-SVN: r269960

gcc/ChangeLog

 2019-03-27  Alan Modra  <amodra@gmail.com>
 
+	* config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
+	throughout file.
+	* config/rs6000/darwin.h: Likewise.
+	* config/rs6000/rs6000.c: Likewise.
+
+2019-03-27  Alan Modra  <amodra@gmail.com>
+
 	* config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
 	assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
 

gcc/config/rs6000/darwin.h

@@ -346,7 +346,7 @@ extern int darwin_emit_branch_islands;
       && reg_class_subset_p (BASE_REGS, (CLASS)))		\
    ? BASE_REGS							\
    : (GET_MODE_CLASS (GET_MODE (X)) == MODE_INT			\
-      && (CLASS) == NON_SPECIAL_REGS)				\
+      && (CLASS) == GEN_OR_FLOAT_REGS)				\
    ? GENERAL_REGS						\
    : (CLASS))
 

gcc/config/rs6000/rs6000.c

@@ -20236,7 +20236,7 @@ rs6000_preferred_reload_class (rtx x, enum reg_class rclass)
       return NO_REGS;
     }
 
-  if (GET_MODE_CLASS (mode) == MODE_INT && rclass == NON_SPECIAL_REGS)
+  if (GET_MODE_CLASS (mode) == MODE_INT && rclass == GEN_OR_FLOAT_REGS)
     return GENERAL_REGS;
 
   return rclass;
@@ -20384,7 +20384,7 @@ rs6000_secondary_reload_class (enum reg_class rclass, machine_mode mode,
 
   /* Constants, memory, and FP registers can go into FP registers.  */
   if ((regno == -1 || FP_REGNO_P (regno))
-      && (rclass == FLOAT_REGS || rclass == NON_SPECIAL_REGS))
+      && (rclass == FLOAT_REGS || rclass == GEN_OR_FLOAT_REGS))
     return (mode != SDmode || lra_in_progress) ? NO_REGS : GENERAL_REGS;
 
   /* Memory, and AltiVec registers can go into AltiVec registers.  */
@@ -36154,7 +36154,7 @@ rs6000_libcall_value (machine_mode mode)
 }
 
 /* Compute register pressure classes.  We implement the target hook to avoid
-   IRA picking something like NON_SPECIAL_REGS as a pressure class, which can
+   IRA picking something like GEN_OR_FLOAT_REGS as a pressure class, which can
    lead to incorrect estimates of number of available registers and therefor
    increased register pressure/spill.   */
 static int

gcc/config/rs6000/rs6000.h

@@ -1138,7 +1138,7 @@ enum reg_class
   VRSAVE_REGS,
   VSCR_REGS,
   SPR_REGS,
-  NON_SPECIAL_REGS,
+  GEN_OR_FLOAT_REGS,
   LINK_REGS,
   CTR_REGS,
   LINK_OR_CTR_REGS,
@@ -1167,7 +1167,7 @@ enum reg_class
   "VRSAVE_REGS",							\
   "VSCR_REGS",								\
   "SPR_REGS",								\
-  "NON_SPECIAL_REGS",							\
+  "GEN_OR_FLOAT_REGS",							\
   "LINK_REGS",								\
   "CTR_REGS",								\
   "LINK_OR_CTR_REGS",							\
@@ -1204,7 +1204,7 @@ enum reg_class
   { 0x00000000, 0x00000000, 0x00000000, 0x00004000 },			\
   /* SPR_REGS.  */							\
   { 0x00000000, 0x00000000, 0x00000000, 0x00010000 },			\
-  /* NON_SPECIAL_REGS.  */						\
+  /* GEN_OR_FLOAT_REGS.  */						\
   { 0xffffffff, 0xffffffff, 0x00000008, 0x00008000 },			\
   /* LINK_REGS.  */							\
   { 0x00000000, 0x00000000, 0x00000002, 0x00000000 },			\