#include "tree.h"
#include "flags.h"
+#ifdef EXTRA_CONSTRAINT
+/* If EXTRA_CONSTRAINT is defined, then the 'S'
+ constraint in REG_CLASS_FROM_LETTER will no longer work, and various
+ asm statements that need 'S' for class SIREG will break. */
+ #error EXTRA_CONSTRAINT conflicts with S constraint letter
+#endif
+
#define AT_BP(mode) (gen_rtx (MEM, (mode), frame_pointer_rtx))
extern FILE *asm_out_file;
if (GET_CODE (operands[1]) == CONST_DOUBLE)
split_double (operands[1], &operands[1], &latehalf[1]);
else if (CONSTANT_P (operands[1]))
- latehalf[1] = const0_rtx;
+ {
+ if (GET_CODE (operands[1]) == CONST_INT && INTVAL (operands[1]) < 0)
+ latehalf[1] = constm1_rtx;
+ else
+ latehalf[1] = const0_rtx;
+ }
}
else
latehalf[1] = operands[1];
else
output_asm_insn ("ret %1", xops);
}
- else if (current_function_returns_struct)
- {
- xops[0] = gen_rtx (CONST_INT, VOIDmode, 4);
- output_asm_insn ("ret %0", xops);
- }
else
output_asm_insn ("ret", xops);
}