* config/sh/sh.h (enum reg_class, REG_CLASS_NAMES)

	(REG_CLASS_CONTENTS): Add NON_SP_REGS.
	(REGCLASS_HAS_GENERAL_REG): Handle NON_SP_REGS.
	* config/sh/constraints.md (u): New constraint.

From-SVN: r181825

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 587a627..fcd1390 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2011-11-29  Joseph Myers  <joseph@codesourcery.com>
+
+       * config/sh/sh.h (enum reg_class, REG_CLASS_NAMES)
+       (REG_CLASS_CONTENTS): Add NON_SP_REGS.
+       (REGCLASS_HAS_GENERAL_REG): Handle NON_SP_REGS.
+       * config/sh/constraints.md (u): New constraint.
+
 2011-11-29  Oleg Endo  <oleg.endo@t-online.de>
 
        PR target/51337

diff --git a/gcc/config/sh/constraints.md b/gcc/config/sh/constraints.md
index 40d0d0b..59e7de6 100644 (file)
--- a/gcc/config/sh/constraints.md
+++ b/gcc/config/sh/constraints.md
@@ -75,6 +75,9 @@
 (define_register_constraint "t" "T_REGS"
   "T register.")
 
+(define_register_constraint "u" "NON_SP_REGS"
+  "Non-stack-pointer register.")
+
 (define_register_constraint "w" "FP0_REGS"
   "Floating-point register 0.")
 

diff --git a/gcc/config/sh/sh.h b/gcc/config/sh/sh.h
index 1b98745..8ab1f10 100644 (file)
--- a/gcc/config/sh/sh.h
+++ b/gcc/config/sh/sh.h
@@ -1059,6 +1059,7 @@ enum reg_class
   MAC_REGS,
   FPUL_REGS,
   SIBCALL_REGS,
+  NON_SP_REGS,
   GENERAL_REGS,
   FP0_REGS,
   FP_REGS,
@@ -1084,6 +1085,7 @@ enum reg_class
   "MAC_REGS",          \
   "FPUL_REGS",         \
   "SIBCALL_REGS",      \
+  "NON_SP_REGS",       \
   "GENERAL_REGS",      \
   "FP0_REGS",          \
   "FP_REGS",           \
@@ -1116,6 +1118,8 @@ enum reg_class
   { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00400000 },      \
 /* SIBCALL_REGS: Initialized in TARGET_CONDITIONAL_REGISTER_USAGE.  */ \
   { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },      \
+/* NON_SP_REGS:  */                                                    \
+  { 0xffff7fff, 0xffffffff, 0x00000000, 0x00000000, 0x03020000 },      \
 /* GENERAL_REGS:  */                                                   \
   { 0xffffffff, 0xffffffff, 0x00000000, 0x00000000, 0x03020000 },      \
 /* FP0_REGS:  */                                                       \
@@ -2072,7 +2076,7 @@ struct sh_args {
    register information here is not used for SFmode.  */
 
 #define REGCLASS_HAS_GENERAL_REG(CLASS) \
-  ((CLASS) == GENERAL_REGS || (CLASS) == R0_REGS \
+  ((CLASS) == GENERAL_REGS || (CLASS) == R0_REGS || (CLASS) == NON_SP_REGS \
     || (! TARGET_SHMEDIA && (CLASS) == SIBCALL_REGS))
 
 #define REGCLASS_HAS_FP_REG(CLASS) \