From 67cd4f83cfddd1ae43bb5183a5ecc79d79528ef2 Mon Sep 17 00:00:00 2001 From: Torbjorn Granlund Date: Mon, 3 Apr 1995 22:53:36 +0000 Subject: [PATCH] (const_uint32_operand): New function. (const_sint32_operand): New function. From-SVN: r9306 --- gcc/config/m68k/m68k.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/gcc/config/m68k/m68k.c b/gcc/config/m68k/m68k.c index 836dab30c2e..b3b69b92bc4 100644 --- a/gcc/config/m68k/m68k.c +++ b/gcc/config/m68k/m68k.c @@ -2426,3 +2426,36 @@ strict_low_part_peephole_ok (mode, first_insn, target) return 0; } + +/* Accept integer operands in the range 0..0xffffffff. We have to check the + range carefully since this predicate is used in DImode contexts. Also, we + need some extra crud to make it work when hosted on 64-bit machines. */ + +int +const_uint32_operand (op, mode) + rtx op; + enum machine_mode mode; +{ +#if HOST_BITS_PER_WIDE_INT > 32 + /* All allowed constants will fit a CONST_INT. */ + return (GET_CODE (op) == CONST_INT + && (INTVAL (op) >= 0 && INTVAL (op) <= 0xffffffffL)); +#else + return (GET_CODE (op) == CONST_INT + || (GET_CODE (op) == CONST_DOUBLE && CONST_DOUBLE_HIGH (op) == 0)); +#endif +} + +/* Accept integer operands in the range -0x80000000..0x7fffffff. We have + to check the range carefully since this predicate is used in DImode + contexts. */ + +int +const_sint32_operand (op, mode) + rtx op; + enum machine_mode mode; +{ + /* All allowed constants will fit a CONST_INT. */ + return (GET_CODE (op) == CONST_INT + && (INTVAL (op) >= (-0x7fffffff - 1) && INTVAL (op) <= 0x7fffffff)); +} -- 2.30.2