From 025e84f93566c8ced594ef48ddee1dec7e5b4cdd Mon Sep 17 00:00:00 2001
From: YunQiang Su <yunqiang.su@cipunited.com>
Date: Mon, 21 Aug 2023 01:14:57 +0800
Subject: [PATCH] MIPS: Use 64-bit a ABI by default for `mipsisa64*-*-linux*'
 targets

Following the arrangement in GCC select a 64-bit ABI by default, either
n32 or n64, rather than o32 for `mipsisa64*-*-linux*' targets, just as
with the corresponding `mips64*-*-linux*' targets.
---
 bfd/config.bfd     |  8 ++++----
 gas/configure      |  6 +++---
 gas/configure.ac   |  6 +++---
 gold/configure.tgt |  4 ++--
 ld/configure.tgt   | 10 ++++++----
 5 files changed, 18 insertions(+), 16 deletions(-)

diff --git a/bfd/config.bfd b/bfd/config.bfd
index 08129e6a8cb..55fd02e787c 100644
--- a/bfd/config.bfd
+++ b/bfd/config.bfd
@@ -956,21 +956,21 @@ case "${targ}" in
     targ_defvec=mips_elf32_be_vec
     targ_selvecs="mips_elf32_le_vec mips_elf64_be_vec mips_elf64_le_vec mips_ecoff_be_vec mips_ecoff_le_vec"
     ;;
-  mips64*el-*-linux*-gnuabi64)
+  mips64*el-*-linux*-gnuabi64 | mipsisa64*el-*-linux*-gnuabi64)
     targ_defvec=mips_elf64_trad_le_vec
     targ_selvecs="mips_elf64_trad_be_vec mips_elf32_ntrad_le_vec mips_elf32_ntrad_be_vec mips_elf32_trad_le_vec mips_elf32_trad_be_vec"
     want64=true
     ;;
-  mips64*el-*-linux*)
+  mips64*el-*-linux* | mipsisa64*el-*-linux*)
     targ_defvec=mips_elf32_ntrad_le_vec
     targ_selvecs="mips_elf32_ntrad_be_vec mips_elf32_trad_le_vec mips_elf32_trad_be_vec mips_elf64_trad_le_vec mips_elf64_trad_be_vec"
     ;;
-  mips64*-*-linux*-gnuabi64)
+  mips64*-*-linux*-gnuabi64 | mipsisa64*-*-linux*-gnuabi64)
     targ_defvec=mips_elf64_trad_be_vec
     targ_selvecs="mips_elf64_trad_le_vec mips_elf32_ntrad_be_vec mips_elf32_ntrad_le_vec mips_elf32_trad_be_vec mips_elf32_trad_le_vec"
     want64=true
     ;;
-  mips64*-*-linux*)
+  mips64*-*-linux* | mipsisa64*-*-linux*)
     targ_defvec=mips_elf32_ntrad_be_vec
     targ_selvecs="mips_elf32_ntrad_le_vec mips_elf32_trad_be_vec mips_elf32_trad_le_vec mips_elf64_trad_be_vec mips_elf64_trad_le_vec"
     ;;
diff --git a/gas/configure b/gas/configure
index 3c80fe5741a..1827e38690e 100755
--- a/gas/configure
+++ b/gas/configure
@@ -12256,11 +12256,11 @@ _ACEOF
 	esac
 	# Decide which ABI to target by default.
 	case ${target} in
-	  mips64*-openbsd* | mips64*-linux-gnuabi64)
+	  mips64*-openbsd* | mips64*-linux-gnuabi64 | mipsisa64*-linux-gnuabi64)
 	    mips_default_abi=N64_ABI
 	    ;;
-	  mips64*-linux* | mips-sgi-irix6* | mips64*-freebsd* \
-	  | mips64*-kfreebsd*-gnu | mips64*-ps2-elf*)
+	  mips64*-linux* | mipsisa64*-linux* | mips-sgi-irix6* \
+	  | mips64*-freebsd* | mips64*-kfreebsd*-gnu | mips64*-ps2-elf*)
 	    mips_default_abi=N32_ABI
 	    ;;
 	  mips*-linux* | mips*-freebsd* | mips*-kfreebsd*-gnu)
diff --git a/gas/configure.ac b/gas/configure.ac
index 3a04c39d344..ecfab6bf510 100644
--- a/gas/configure.ac
+++ b/gas/configure.ac
@@ -394,11 +394,11 @@ changequote([,])dnl
 	esac
 	# Decide which ABI to target by default.
 	case ${target} in
-	  mips64*-openbsd* | mips64*-linux-gnuabi64)
+	  mips64*-openbsd* | mips64*-linux-gnuabi64 | mipsisa64*-linux-gnuabi64)
 	    mips_default_abi=N64_ABI
 	    ;;
-	  mips64*-linux* | mips-sgi-irix6* | mips64*-freebsd* \
-	  | mips64*-kfreebsd*-gnu | mips64*-ps2-elf*)
+	  mips64*-linux* | mipsisa64*-linux* | mips-sgi-irix6* \
+	  | mips64*-freebsd* | mips64*-kfreebsd*-gnu | mips64*-ps2-elf*)
 	    mips_default_abi=N32_ABI
 	    ;;
 	  mips*-linux* | mips*-freebsd* | mips*-kfreebsd*-gnu)
diff --git a/gold/configure.tgt b/gold/configure.tgt
index e2e131bbd84..99a5fcc91ee 100644
--- a/gold/configure.tgt
+++ b/gold/configure.tgt
@@ -153,7 +153,7 @@ aarch64*-*)
  targ_big_endian=false
  targ_extra_big_endian=true
  ;;
-mips64*el-*-*)
+mips64*el-*-* | mipsisa64*el-linux*)
  targ_obj=mips
  targ_machine=EM_MIPS
  targ_size=64
@@ -169,7 +169,7 @@ mips*el-*-*)
  targ_big_endian=false
  targ_extra_big_endian=true
  ;;
-mips64*-*-*)
+mips64*-*-* | mipsisa64*-linux*)
  targ_obj=mips
  targ_machine=EM_MIPS
  targ_size=64
diff --git a/ld/configure.tgt b/ld/configure.tgt
index ff0aaaae257..34d20e05bc9 100644
--- a/ld/configure.tgt
+++ b/ld/configure.tgt
@@ -586,21 +586,23 @@ mips*-*-vxworks*)	targ_emul=elf32ebmipvxworks
 			;;
 mips*-*-windiss)	targ_emul=elf32mipswindiss
 			;;
-mips64*el-*-linux-gnuabi64)
+mips64*el-*-linux-gnuabi64 | mipsisa64*el-*-linux-gnuabi64)
 			targ_emul=elf64ltsmip
 			targ_extra_emuls="elf64btsmip elf32ltsmipn32 elf32btsmipn32 elf32ltsmip elf32btsmip"
 			targ_extra_libpath=$targ_extra_emuls
 			;;
-mips64*el-*-linux-*)	targ_emul=elf32ltsmipn32
+mips64*el-*-linux-* | mipsisa64*el-*-linux-*)
+			targ_emul=elf32ltsmipn32
 			targ_extra_emuls="elf32btsmipn32 elf32ltsmip elf32btsmip elf64ltsmip elf64btsmip"
 			targ_extra_libpath=$targ_extra_emuls
 			;;
-mips64*-*-linux-gnuabi64)
+mips64*-*-linux-gnuabi64 | mipsisa64*-*-linux-gnuabi64)
 			targ_emul=elf64btsmip
 			targ_extra_emuls="elf64ltsmip elf32btsmipn32 elf32ltsmipn32 elf32btsmip elf32ltsmip"
 			targ_extra_libpath=$targ_extra_emuls
 			;;
-mips64*-*-linux-*)	targ_emul=elf32btsmipn32
+mips64*-*-linux-* | mipsisa64*-*-linux-*)
+			targ_emul=elf32btsmipn32
 			targ_extra_emuls="elf32ltsmipn32 elf32btsmip elf32ltsmip elf64btsmip elf64ltsmip"
 			targ_extra_libpath=$targ_extra_emuls
 			;;
-- 
2.30.2