diff mbox series

[committed] arc: Honor SWAP option for lsl16 instruction

Message ID 20230831050132.733545-1-claziss@gmail.com
State Accepted
Headers
Series [committed] arc: Honor SWAP option for lsl16 instruction |

Checks

Context Check Description
snail/gcc-patch-check success Github commit url

Commit Message

Claudiu Zissulescu Ianculescu Aug. 31, 2023, 5:01 a.m. UTC 
  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 <claziss@gmail.com>
---
 gcc/config/arc/arc.cc | 2 +-
 gcc/config/arc/arc.md | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

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")