}
-/* The TARGET_OPTION_OVERRIDE worker.
- All this curently does is set init_machine_status. */
+/* The TARGET_OPTION_OVERRIDE worker. */
static void
moxie_option_override (void)
{
/* Set the per-function-data initializer. */
init_machine_status = moxie_init_machine_status;
+
+#ifdef TARGET_MOXIEBOX
+ target_flags &= ~MASK_HAS_MULX;
+#endif
}
/* Compute the size of the local area and the size to be adjusted by the
"@
inc %0, %2
dec %0, -%2
- add.l %0, %2")
+ add %0, %2")
(define_insn "subsi3"
[(set (match_operand:SI 0 "register_operand" "=r,r")
""
"@
dec %0, %2
- sub.l %0, %2")
+ sub %0, %2")
(define_insn "mulsi3"
[(set (match_operand:SI 0 "register_operand" "=r")
(match_operand:SI 1 "register_operand" "0")
(match_operand:SI 2 "register_operand" "r")))]
""
- "mul.l %0, %2")
+ "mul %0, %2")
+
+(define_code_iterator EXTEND [sign_extend zero_extend])
+(define_code_attr mul [(sign_extend "mul") (zero_extend "umul")])
+
+(define_insn "<mul>si3_highpart"
+ [(set (match_operand:SI 0 "register_operand" "=r")
+ (truncate:SI
+ (lshiftrt:DI
+ (mult:DI (EXTEND:DI (match_operand:SI 1 "register_operand" "0"))
+ (EXTEND:DI (match_operand:SI 2 "register_operand" "r")))
+ (const_int 32))))]
+ "TARGET_HAS_MULX"
+ "<mul>.x\\t%0, %2")
+
+(define_expand "<mul>sidi3"
+ [(set (match_operand:DI 0 "register_operand" "")
+ (mult:DI (EXTEND:DI (match_operand:SI 1 "register_operand" "0"))
+ (EXTEND:DI (match_operand:SI 2 "register_operand" "r"))))]
+ "TARGET_HAS_MULX"
+{
+ rtx hi = gen_reg_rtx (SImode);
+ rtx lo = gen_reg_rtx (SImode);
+
+ emit_insn (gen_<mul>si3_highpart (hi, operands[1], operands[2]));
+ emit_insn (gen_mulsi3 (lo, operands[1], operands[2]));
+ emit_move_insn (gen_lowpart (SImode, operands[0]), lo);
+ emit_move_insn (gen_highpart (SImode, operands[0]), hi);
+ DONE;
+})
(define_insn "divsi3"
[(set (match_operand:SI 0 "register_operand" "=r")
(match_operand:SI 1 "register_operand" "0")
(match_operand:SI 2 "register_operand" "r")))]
""
- "div.l %0, %2")
+ "div %0, %2")
(define_insn "udivsi3"
[(set (match_operand:SI 0 "register_operand" "=r")
(match_operand:SI 1 "register_operand" "0")
(match_operand:SI 2 "register_operand" "r")))]
""
- "udiv.l %0, %2")
+ "udiv %0, %2")
(define_insn "modsi3"
[(set (match_operand:SI 0 "register_operand" "=r")
(match_operand:SI 1 "register_operand" "0")
(match_operand:SI 2 "register_operand" "r")))]
""
- "mod.l %0, %2")
+ "mod %0, %2")
(define_insn "umodsi3"
[(set (match_operand:SI 0 "register_operand" "=r")
(match_operand:SI 1 "register_operand" "0")
(match_operand:SI 2 "register_operand" "r")))]
""
- "umod.l %0, %2")
+ "umod %0, %2")
;; -------------------------------------------------------------------------
;; Unary arithmetic instructions
-mno-crt0 -mrelax -mliw -msetlb}
@emph{Moxie Options}
-@gccoptlist{-meb -mel -mno-crt0}
+@gccoptlist{-meb -mel -mmul.x -mno-crt0}
@emph{MSP430 Options}
@gccoptlist{-msim -masm-hex -mmcu= -mcpu= -mlarge -msmall -mrelax @gol
@opindex mel
Generate little-endian code.
+@item -mmul.x
+@opindex mmul.x
+Generate mul.x and umul.x instructions. This is the default for
+@samp{moxiebox-*-*} configurations.
+
@item -mno-crt0
@opindex mno-crt0
Do not link in the C run-time initialization object file.