(sparc_builtin_saveregs): If -fcheck-memory-usage, set rights of saved

registers.

From-SVN: r14624

diff --git a/gcc/config/sparc/sparc.c b/gcc/config/sparc/sparc.c
index ead4da0314446852b6c353c0a7927017de50aecf..4235c93580240666e426fb53bfd2d2dca4f577f0 100644 (file)
--- a/gcc/config/sparc/sparc.c
+++ b/gcc/config/sparc/sparc.c
@@ -3454,6 +3454,20 @@ sparc_builtin_saveregs (arglist)
                    gen_rtx (REG, DFmode,
                             BASE_INCOMING_ARG_REG (DFmode) + regno));
 
+  if (flag_check_memory_usage)
+    {
+      emit_library_call (chkr_set_right_libfunc, 1, VOIDmode, 3, regbuf,
+                ptr_mode, GEN_INT (n_intregs * UNITS_PER_WORD),
+                        TYPE_MODE (sizetype), GEN_INT (MEMORY_USE_RW), QImode);
+
+      emit_library_call (chkr_set_right_libfunc, 1, VOIDmode, 3,
+                        fpregs, ptr_mode,
+                        GEN_INT (UNITS_PER_WORD 
+                                 * GET_MODE_SIZE (SFmode)
+                                 * (NPARM_REGS (SFmode) - first_floatreg)),
+                        TYPE_MODE (sizetype), GEN_INT (MEMORY_USE_RW), QImode);
+    }
+
   /* Return the address of the regbuf.  */
 
   return XEXP (regbuf, 0);
@@ -3493,6 +3507,13 @@ sparc_builtin_saveregs (arglist)
                     GEN_INT (STACK_POINTER_OFFSET
                              + UNITS_PER_WORD * first_reg));
 
+  if (flag_check_memory_usage)
+    emit_library_call (chkr_set_right_libfunc, 1, VOIDmode, 3,
+                      address, ptr_mode,
+                      GEN_INT (UNITS_PER_WORD 
+                               * (NPARM_REGS (SImode) - first_reg)),
+                      TYPE_MODE (sizetype), GEN_INT (MEMORY_USE_RW), QImode);
+
   return address;
 }