[PATCH] Enable mcf thread model for aarch64-*-mingw*.

[LIU Hao]

This is a leftover of d6d7afcdbc04adb0ec42a44b2d7e05600945af42. After this change, configuration files of all three thread models are in 'libgcc/config/mingw/'.

---
 libgcc/config.host                               | 7 +++++--
 libgcc/config/{i386 => mingw}/t-mingw-mcfgthread | 0
 2 files changed, 5 insertions(+), 2 deletions(-)
 rename libgcc/config/{i386 => mingw}/t-mingw-mcfgthread (100%)

diff --git a/libgcc/config.host b/libgcc/config.host
index 6a88ee5a2dd0..d36f0e34a3b6 100644
--- a/libgcc/config.host
+++ b/libgcc/config.host
@@ -472,6 +472,9 @@ aarch64-*-mingw*)
          posix)
            tmake_thr_file="mingw/t-mingw-pthread"
            ;;
+         mcf)
+           tmake_thr_file="mingw/t-mingw-mcfgthread"
+           ;;
        esac
        tmake_file="${tmake_file} ${cpu_type}/t-no-eh ${tmake_thr_file}"
        tmake_file="${tmake_file} t-dfprules"
@@ -904,7 +907,7 @@ i[34567]86-*-mingw*)
            tmake_thr_file="mingw/t-mingw-pthread"
            ;;
          mcf)
-           tmake_thr_file="i386/t-mingw-mcfgthread"
+           tmake_thr_file="mingw/t-mingw-mcfgthread"
            ;;
        esac
        # This has to match the logic for DWARF2_UNWIND_INFO in 
gcc/config/i386/cygming.h
@@ -931,7 +934,7 @@ x86_64-*-mingw*)
            tmake_thr_file="mingw/t-mingw-pthread"
            ;;
          mcf)
-           tmake_thr_file="i386/t-mingw-mcfgthread"
+           tmake_thr_file="mingw/t-mingw-mcfgthread"
            ;;
        esac
        # This has to match the logic for DWARF2_UNWIND_INFO in 
gcc/config/i386/cygming.h
diff --git a/libgcc/config/i386/t-mingw-mcfgthread 
b/libgcc/config/mingw/t-mingw-mcfgthread
similarity index 100%
rename from libgcc/config/i386/t-mingw-mcfgthread
rename to libgcc/config/mingw/t-mingw-mcfgthread
--
2.49.0


From b48e41b58158d6311906010954c98783eb2b71ac Mon Sep 17 00:00:00 2001
From: LIU Hao <lh_mo...@126.com>
Date: Thu, 15 May 2025 19:12:51 +0800
Subject: [PATCH] Enable mcf thread model for aarch64-*-mingw*.

This is similar to d6d7afcdbc04adb0ec42a44b2d7e05600945af42 about the posix
and win32 thread model.

Signed-off-by: LIU Hao <lh_mo...@126.com>

libgcc/ChangeLog:

        * config.host: Enable mcf thread model for aarch64-*-mingw*.
        * config/i386/t-mingw-mcfgthread: Move to...
        * config/mingw/t-mingw-mcfgthread: ...here.
---
 libgcc/config.host                               | 7 +++++--
 libgcc/config/{i386 => mingw}/t-mingw-mcfgthread | 0
 2 files changed, 5 insertions(+), 2 deletions(-)
 rename libgcc/config/{i386 => mingw}/t-mingw-mcfgthread (100%)

diff --git a/libgcc/config.host b/libgcc/config.host
index 6a88ee5a2dd0..d36f0e34a3b6 100644
--- a/libgcc/config.host
+++ b/libgcc/config.host
@@ -472,6 +472,9 @@ aarch64-*-mingw*)
          posix)
            tmake_thr_file="mingw/t-mingw-pthread"
            ;;
+         mcf)
+           tmake_thr_file="mingw/t-mingw-mcfgthread"
+           ;;
        esac
        tmake_file="${tmake_file} ${cpu_type}/t-no-eh ${tmake_thr_file}"
        tmake_file="${tmake_file} t-dfprules"
@@ -904,7 +907,7 @@ i[34567]86-*-mingw*)
            tmake_thr_file="mingw/t-mingw-pthread"
            ;;
          mcf)
-           tmake_thr_file="i386/t-mingw-mcfgthread"
+           tmake_thr_file="mingw/t-mingw-mcfgthread"
            ;;
        esac
        # This has to match the logic for DWARF2_UNWIND_INFO in 
gcc/config/i386/cygming.h
@@ -931,7 +934,7 @@ x86_64-*-mingw*)
            tmake_thr_file="mingw/t-mingw-pthread"
            ;;
          mcf)
-           tmake_thr_file="i386/t-mingw-mcfgthread"
+           tmake_thr_file="mingw/t-mingw-mcfgthread"
            ;;
        esac
        # This has to match the logic for DWARF2_UNWIND_INFO in 
gcc/config/i386/cygming.h
diff --git a/libgcc/config/i386/t-mingw-mcfgthread 
b/libgcc/config/mingw/t-mingw-mcfgthread
similarity index 100%
rename from libgcc/config/i386/t-mingw-mcfgthread
rename to libgcc/config/mingw/t-mingw-mcfgthread
-- 
2.49.0

The patch has been bootstrapped on {x86_64,i686}-w64-mingw32. ARM64 port is still working in progress and I will keep an eye on it for GCC 16.

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