sh.c (calc_live_regs): Update check for PIC liveness in compact code.

	* config/sh/sh.c (calc_live_regs): Update check for PIC liveness
	in compact code.

From-SVN: r59212

gcc/ChangeLog

 2002-11-18  Richard Sandiford  <rsandifo@redhat.com>
 
+	* config/sh/sh.c (calc_live_regs): Update check for PIC liveness
+	in compact code.
+
+2002-11-18  Richard Sandiford  <rsandifo@redhat.com>
+
 	* config/sh/sh.md (initialize_trampoline): Do not force the
 	trampoline address into R0_REGS here.
 

gcc/config/sh/sh.c

@@ -4456,7 +4456,11 @@ calc_live_regs (count_ptr, live_regs_mask)
 	     && reg != RETURN_ADDRESS_POINTER_REGNUM
 	     && reg != T_REG && reg != GBR_REG)
 	  : (/* Only push those regs which are used and need to be saved.  */
-	     regs_ever_live[reg] && ! call_used_regs[reg]))
+	     (TARGET_SHCOMPACT
+	      && flag_pic
+	      && current_function_args_info.call_cookie
+	      && reg == PIC_OFFSET_TABLE_REGNUM)
+	     || (regs_ever_live[reg] && ! call_used_regs[reg])))
 	{
 	  live_regs_mask[reg / 32] |= 1 << (reg % 32);
 	  count += GET_MODE_SIZE (REGISTER_NATURAL_MODE (reg));

gcc/testsuite/ChangeLog

+2002-11-18  Richard Sandiford  <rsandifo@redhat.com>
+
+	* gcc.c-torture/execute/20021118-1.c: New test.
+
 2002-11-16  Jakub Jelinek  <jakub@redhat.com>
 
 	* gcc.dg/20021116-1.c: New test.

gcc/testsuite/gcc.c-torture/execute/20021118-1.c

+struct s { int f[4]; };
+
+int foo (struct s s, int x1, int x2, int x3, int x4, int x5, int x6, int x7)
+{
+  return s.f[3] + x7;
+}
+
+int main ()
+{
+  struct s s = { 1, 2, 3, 4 };
+
+  if (foo (s, 100, 200, 300, 400, 500, 600, 700) != 704)
+    abort ();
+  exit (0);
+}