From 225761396df8c98f1a1ac88da46ff401bd326e56 Mon Sep 17 00:00:00 2001
From: chenglulu <chenglulu@loongson.cn>
Date: Thu, 2 Dec 2021 14:15:50 +0800
Subject: [PATCH] LoongArch Port: Regenerate gcc/configure.

2022-03-29  Chenghua Xu  <xuchenghua@loongson.cn>
	    Lulu Cheng  <chenglulu@loongson.cn>

gcc/ChangeLog:

	* configure: Regenerate file.
---
 gcc/configure | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 60 insertions(+), 6 deletions(-)

diff --git a/gcc/configure b/gcc/configure
index 14b19c8..1c1195e 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -5442,6 +5442,9 @@ case "${target}" in
 	# sets the default TLS model and affects inlining.
 	PICFLAG_FOR_TARGET=-fPIC
 	;;
+    loongarch*-*-*)
+	PICFLAG_FOR_TARGET=-fpic
+	;;
     mips-sgi-irix6*)
 	# PIC is the default.
 	;;
@@ -7963,6 +7966,9 @@ else
     mips*-*-*)
       enable_fixed_point=yes
       ;;
+    loongarch*-*-*)
+      enable_fixed_point=yes
+      ;;
     *)
       { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: fixed-point is not supported for this target, ignored" >&5
 $as_echo "$as_me: WARNING: fixed-point is not supported for this target, ignored" >&2;}
@@ -19667,7 +19673,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 19670 "configure"
+#line 19676 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -19773,7 +19779,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 19776 "configure"
+#line 19782 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -25556,6 +25562,17 @@ foo:	data8	25
 	movl	r24 = @tprel(foo#)'
 	tls_as_opt=--fatal-warnings
 	;;
+  loongarch*-*-*)
+    conftest_s='
+	.section .tdata,"awT",@progbits
+x:	.word 2
+	.text
+	la.tls.gd $a0,x
+	bl __tls_get_addr'
+	tls_first_major=0
+	tls_first_minor=0
+	tls_as_opt='--fatal-warnings'
+	;;
   microblaze*-*-*)
     conftest_s='
 	.section .tdata,"awT",@progbits
@@ -28780,6 +28797,43 @@ $as_echo "#define HAVE_AS_MARCH_ZIFENCEI 1" >>confdefs.h
 fi
 
     ;;
+  loongarch*-*-*)
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for .dtprelword support" >&5
+$as_echo_n "checking assembler for .dtprelword support... " >&6; }
+if ${gcc_cv_as_loongarch_dtprelword+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  gcc_cv_as_loongarch_dtprelword=no
+  if test x$gcc_cv_as != x; then
+    $as_echo '' > conftest.s
+    if { ac_try='$gcc_cv_as $gcc_cv_as_flags 2,18,0 -o conftest.o conftest.s >&5'
+  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }
+    then
+	.section .tdata,"awT",@progbits
+x:
+	.word 2
+	.text
+	.dtprelword x+0x8000
+    else
+      echo "configure: failed program was" >&5
+      cat conftest.s >&5
+    fi
+    rm -f conftest.o conftest.s
+  fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_as_loongarch_dtprelword" >&5
+$as_echo "$gcc_cv_as_loongarch_dtprelword" >&6; }
+
+if test $gcc_cv_as_loongarch_dtprelword != yes; then
+
+$as_echo "#define HAVE_AS_DTPRELWORD 1" >>confdefs.h
+
+fi
+    ;;
     s390*-*-*)
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for .gnu_attribute support" >&5
 $as_echo_n "checking assembler for .gnu_attribute support... " >&6; }
@@ -28943,11 +28997,11 @@ fi
     ;;
 esac
 
-# Mips and HP-UX need the GNU assembler.
+# Mips, LoongArch and HP-UX need the GNU assembler.
 # Linux on IA64 might be able to use the Intel assembler.
 
 case "$target" in
-  mips*-*-* | *-*-hpux* )
+  mips*-*-* | loongarch*-*-* | *-*-hpux* )
     if test x$gas_flag = xyes \
        || test x"$host" != x"$build" \
        || test ! -x "$gcc_cv_as" \
@@ -29384,8 +29438,8 @@ esac
 # ??? Once 2.11 is released, probably need to add first known working
 # version to the per-target configury.
 case "$cpu_type" in
-  aarch64 | alpha | arc | arm | avr | bfin | cris | csky | i386 | m32c | m68k \
-  | microblaze | mips | nds32 | nios2 | pa | riscv | rs6000 | score | sparc \
+  aarch64 | alpha | arc | arm | avr | bfin | cris | csky | i386 | loongarch | m32c \
+  | m68k | microblaze | mips | nds32 | nios2 | pa | riscv | rs6000 | score | sparc \
   | tilegx | tilepro | visium | xstormy16 | xtensa)
     insn="nop"
     ;;
-- 
2.7.4