The LSL16 instruction is only available if SWAP (-mswap) option is
turned on.
gcc/ChangeLog:
* config/arc/arc.cc (arc_split_mov_const): Use LSL16 only when
SWAP option is enabled.
* config/arc/arc.md (ashlsi2_cnt16): Likewise.
Signed-off-by: Claudiu Zissulescu <claz...@gmail.com>
---
gcc/config/arc/arc.cc | 2 +-
gcc/config/arc/arc.md | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/gcc/config/arc/arc.cc b/gcc/config/arc/arc.cc
index 266ba8b00bb..8ee7387286e 100644
--- a/gcc/config/arc/arc.cc
+++ b/gcc/config/arc/arc.cc
@@ -11647,7 +11647,7 @@ arc_split_mov_const (rtx *operands)
}
/* 3. Check if we can just shift by 16 to fit into the u6 of LSL16. */
- if (TARGET_BARREL_SHIFTER && TARGET_V2
+ if (TARGET_SWAP && TARGET_V2
&& ((ival & ~0x3f0000) == 0))
{
shimm = (ival >> 16) & 0x3f;
diff --git a/gcc/config/arc/arc.md b/gcc/config/arc/arc.md
index 1f122d9507f..a4e77a207bf 100644
--- a/gcc/config/arc/arc.md
+++ b/gcc/config/arc/arc.md
@@ -5991,7 +5991,7 @@ (define_insn "*ashlsi2_cnt16"
[(set (match_operand:SI 0 "register_operand" "=r")
(ashift:SI (match_operand:SI 1 "nonmemory_operand" "rL")
(const_int 16)))]
- "TARGET_BARREL_SHIFTER && TARGET_V2"
+ "TARGET_SWAP && TARGET_V2"
"lsl16\\t%0,%1"
[(set_attr "type" "shift")
(set_attr "iscompact" "false")
--
2.30.2
