From 77cec97af7966dacf3467468120e142e9dcfbe90 Mon Sep 17 00:00:00 2001
From: Sergey Fedorov <vital.had@gmail.com>
Date: Sat, 3 Jan 2026 07:58:38 +0800
Subject: [PATCH 1/2] target.cpp: non-functional: use ARCH_POWERPC instead of
 ARCH_POWERPC32

Follow existing convention: both triples and arch name normally do not use 32, it is implicit.
---
 src/trans/target.cpp | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/src/trans/target.cpp b/src/trans/target.cpp
index f4a0c2d29..4b4c8d7bf 100644
--- a/src/trans/target.cpp
+++ b/src/trans/target.cpp
@@ -59,18 +59,18 @@ const TargetArch ARCH_POWERPC64 = {
     { /*atomic(u8)=*/true, true, true, true,  true },
     TargetArch::Alignments(2, 4, 8, 16, 4, 8, 8)
 };
-const TargetArch ARCH_POWERPC32 = {
-    "powerpc",
-    32, true,
-    { /*atomic(u8)=*/true, false, true, false,  true },
-    TargetArch::Alignments(2, 4, 8, 8, 4, 8, 4)
-};
 const TargetArch ARCH_POWERPC64LE = {
     "powerpc64",
     64, false,
     { /*atomic(u8)=*/true, true, true, true,  true },
     TargetArch::Alignments(2, 4, 8, 16, 4, 8, 8)
 };
+const TargetArch ARCH_POWERPC = {
+    "powerpc",
+    32, true,
+    { /*atomic(u8)=*/true, false, true, false,  true },
+    TargetArch::Alignments(2, 4, 8, 8, 4, 8, 4)
+};
 const TargetArch ARCH_RISCV64 = {
     "riscv64",
     64, false,
@@ -155,9 +155,9 @@ namespace
                         {
                             rv.m_arch = ARCH_M68K;
                         }
-                        else if( key_val.value.as_string() == ARCH_POWERPC32.m_name )
+                        else if( key_val.value.as_string() == ARCH_POWERPC.m_name )
                         {
-                            rv.m_arch = ARCH_POWERPC32;
+                            rv.m_arch = ARCH_POWERPC;
                         }
                         else if( key_val.value.as_string() == ARCH_POWERPC64.m_name )
                         {
@@ -634,7 +634,7 @@ namespace
             // NOTE: OSX uses Mach-O binaries, which don't fully support the defaults used for GNU targets
             return TargetSpec {
                 "unix", "macos", "gnu", {CodegenMode::Gnu11, true, "powerpc-apple-darwin", {}, {}},
-                ARCH_POWERPC32
+                ARCH_POWERPC
                 };
         }
         else if(target_name == "powerpc64-apple-darwin")

From 5e16175a8de545395cca827d626a329c981db47c Mon Sep 17 00:00:00 2001
From: Sergey Fedorov <vital.had@gmail.com>
Date: Sat, 3 Jan 2026 08:02:21 +0800
Subject: [PATCH 2/2] target.cpp: enable 16-bit atomics on 32-bit powerpc

Closes: https://github.com/thepowersgang/mrustc/issues/381
See also: https://github.com/crossbeam-rs/crossbeam/issues/1213
---
 src/trans/target.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/trans/target.cpp b/src/trans/target.cpp
index 4b4c8d7bf..d07000286 100644
--- a/src/trans/target.cpp
+++ b/src/trans/target.cpp
@@ -68,7 +68,7 @@ const TargetArch ARCH_POWERPC64LE = {
 const TargetArch ARCH_POWERPC = {
     "powerpc",
     32, true,
-    { /*atomic(u8)=*/true, false, true, false,  true },
+    { /*atomic(u8)=*/true, true, true, false,  true },
     TargetArch::Alignments(2, 4, 8, 8, 4, 8, 4)
 };
 const TargetArch ARCH_RISCV64 = {