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From: Kewen Lin <linkw@gcc.gnu.org>
To: gcc-cvs@gcc.gnu.org
Subject: [gcc r12-1235] mips: Update unexpected empty split condition
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https://gcc.gnu.org/g:bdce6760c2098558cbf9c89e166ddb172ec56cc7

commit r12-1235-gbdce6760c2098558cbf9c89e166ddb172ec56cc7
Author: Kewen Lin <linkw@linux.ibm.com>
Date:   Fri May 28 00:21:07 2021 -0500

    mips: Update unexpected empty split condition
    
    gcc/ChangeLog:
    
            * config/mips/mips.md (<anonymous>, bswapsi2, bswapdi2): Fix empty
            split condition.

Diff:
---
 gcc/config/mips/mips.md | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/gcc/config/mips/mips.md b/gcc/config/mips/mips.md
index eef3cfd50a8..455b9b802f6 100644
--- a/gcc/config/mips/mips.md
+++ b/gcc/config/mips/mips.md
@@ -5835,7 +5835,7 @@
 		     (match_operand:SI 2 "immediate_operand" "I")))]
   "TARGET_MIPS16"
   "#"
-  ""
+  "&& 1"
   [(set (match_dup 0) (match_dup 1))
    (set (match_dup 0) (lshiftrt:SI (match_dup 0) (match_dup 2)))]
   ""
@@ -5871,7 +5871,7 @@
 	(bswap:SI (match_operand:SI 1 "register_operand" "d")))]
   "ISA_HAS_WSBH && ISA_HAS_ROR"
   "#"
-  ""
+  "&& 1"
   [(set (match_dup 0) (unspec:SI [(match_dup 1)] UNSPEC_WSBH))
    (set (match_dup 0) (rotatert:SI (match_dup 0) (const_int 16)))]
   ""
@@ -5882,7 +5882,7 @@
 	(bswap:DI (match_operand:DI 1 "register_operand" "d")))]
   "TARGET_64BIT && ISA_HAS_WSBH"
   "#"
-  ""
+  "&& 1"
   [(set (match_dup 0) (unspec:DI [(match_dup 1)] UNSPEC_DSBH))
    (set (match_dup 0) (unspec:DI [(match_dup 0)] UNSPEC_DSHD))]
   ""