(untyped_call) Avoid SIGFPE.

From-SVN: r12610

gcc/config/i386/i386.c

@@ -3562,7 +3562,6 @@ output_float_compare (insn, operands)
   rtx body = XVECEXP (PATTERN (insn), 0, 0);
   int unordered_compare = GET_MODE (SET_SRC (body)) == CCFPEQmode;
   int target_fcomi = TARGET_CMOVE && STACK_REG_P (operands[1]);
-  int target_fcomi = TARGET_CMOVE && STACK_REG_P (operands[1]);
 
   rtx tmp;
   if (! STACK_TOP_P (operands[0]))
@@ -3612,18 +3611,14 @@ output_float_compare (insn, operands)
 	strcat (buf, "p");
 
       if (NON_STACK_REG_P (operands[1]))
-      else if (target_fcomi) 
-	{
-	  rtx xops[] = {operands[0], operands[1], operands[0]};
-	  
-	  output_asm_insn (strcat (buf, AS2 (%z1,%y1,%2)), xops);
-	  RET;
-	}
 	output_op_from_reg (operands[1], strcat (buf, AS1 (%z0,%1)));
       else if (target_fcomi) 
 	{
-	  rtx xops[] = {operands[0], operands[1], operands[0]};
+	  rtx xops[3];
 	  
+ 	  xops[0] = operands[0];
+ 	  xops[1] = operands[1];
+ 	  xops[2] = operands[0];
 	  output_asm_insn (strcat (buf, AS2 (%z1,%y1,%2)), xops);
 	  RET;
 	}

gcc/config/i386/i386.md

@@ -5955,10 +5955,13 @@
      coprocessor registers as containing a possible return value,
      simply pretend the untyped call returns a complex long double
      value.  */
+  /*
   emit_call_insn (TARGET_80387
                   ? gen_call_value (gen_rtx (REG, XCmode, FIRST_FLOAT_REG),
 		                  operands[0], const0_rtx)
                   : gen_call (operands[0], const0_rtx));
+  */
+  emit_call_insn (gen_call (operands[0], const0_rtx, NULL, const0_rtx));
 
   for (i = 0; i < XVECLEN (operands[2], 0); i++)
     {