[libc-commits] [libc] [libc] Force to inline syscall_impl on x86_64 (PR #178153)

via libc-commits libc-commits at lists.llvm.org
Tue Jan 27 02:30:50 PST 2026


github-actions[bot] wrote:

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<summary>
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``````````bash
git-clang-format --diff origin/main HEAD --extensions h -- libc/src/__support/OSUtil/linux/x86_64/syscall.h --diff_from_common_commit
``````````

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in a stack if you are using a stacked PR workflow. You can limit the results by
changing `origin/main` to the base branch/commit you want to compare against.
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<summary>
View the diff from clang-format here.
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``````````diff
diff --git a/libc/src/__support/OSUtil/linux/x86_64/syscall.h b/libc/src/__support/OSUtil/linux/x86_64/syscall.h
index d1c19b57e..f069d4618 100644
--- a/libc/src/__support/OSUtil/linux/x86_64/syscall.h
+++ b/libc/src/__support/OSUtil/linux/x86_64/syscall.h
@@ -25,7 +25,8 @@ namespace LIBC_NAMESPACE_DECL {
   return retcode;
 }
 
-[[gnu::always_inline]] LIBC_INLINE long syscall_impl(long __number, long __arg1) {
+[[gnu::always_inline]] LIBC_INLINE long syscall_impl(long __number,
+                                                     long __arg1) {
   long retcode;
   LIBC_INLINE_ASM("syscall"
                   : "=a"(retcode)
@@ -34,7 +35,8 @@ namespace LIBC_NAMESPACE_DECL {
   return retcode;
 }
 
-[[gnu::always_inline]] LIBC_INLINE long syscall_impl(long __number, long __arg1, long __arg2) {
+[[gnu::always_inline]] LIBC_INLINE long syscall_impl(long __number, long __arg1,
+                                                     long __arg2) {
   long retcode;
   LIBC_INLINE_ASM("syscall"
                   : "=a"(retcode)
@@ -43,8 +45,8 @@ namespace LIBC_NAMESPACE_DECL {
   return retcode;
 }
 
-[[gnu::always_inline]] LIBC_INLINE long syscall_impl(long __number, long __arg1, long __arg2,
-                              long __arg3) {
+[[gnu::always_inline]] LIBC_INLINE long syscall_impl(long __number, long __arg1,
+                                                     long __arg2, long __arg3) {
   long retcode;
   LIBC_INLINE_ASM("syscall"
                   : "=a"(retcode)
@@ -53,8 +55,9 @@ namespace LIBC_NAMESPACE_DECL {
   return retcode;
 }
 
-[[gnu::always_inline]] LIBC_INLINE long syscall_impl(long __number, long __arg1, long __arg2,
-                              long __arg3, long __arg4) {
+[[gnu::always_inline]] LIBC_INLINE long syscall_impl(long __number, long __arg1,
+                                                     long __arg2, long __arg3,
+                                                     long __arg4) {
   long retcode;
   register long r10 __asm__("r10") = __arg4;
   LIBC_INLINE_ASM("syscall"
@@ -65,8 +68,9 @@ namespace LIBC_NAMESPACE_DECL {
   return retcode;
 }
 
-[[gnu::always_inline]] LIBC_INLINE long syscall_impl(long __number, long __arg1, long __arg2,
-                              long __arg3, long __arg4, long __arg5) {
+[[gnu::always_inline]] LIBC_INLINE long syscall_impl(long __number, long __arg1,
+                                                     long __arg2, long __arg3,
+                                                     long __arg4, long __arg5) {
   long retcode;
   register long r10 __asm__("r10") = __arg4;
   register long r8 __asm__("r8") = __arg5;
@@ -78,9 +82,10 @@ namespace LIBC_NAMESPACE_DECL {
   return retcode;
 }
 
-[[gnu::always_inline]] LIBC_INLINE long syscall_impl(long __number, long __arg1, long __arg2,
-                              long __arg3, long __arg4, long __arg5,
-                              long __arg6) {
+[[gnu::always_inline]] LIBC_INLINE long syscall_impl(long __number, long __arg1,
+                                                     long __arg2, long __arg3,
+                                                     long __arg4, long __arg5,
+                                                     long __arg6) {
   long retcode;
   register long r10 __asm__("r10") = __arg4;
   register long r8 __asm__("r8") = __arg5;

``````````

</details>


https://github.com/llvm/llvm-project/pull/178153


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