[clang] [llvm] RISCV: the builtins support for MIPS RV64 P8700 execution control . (PR #159246)

via cfe-commits cfe-commits at lists.llvm.org
Fri Sep 19 00:16:40 PDT 2025


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<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


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<details>
<summary>
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``````````bash
git-clang-format --diff origin/main HEAD --extensions c,h -- clang/lib/Headers/riscv_mips.h clang/test/CodeGen/RISCV/builtins-riscv-mips.c
``````````

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changing `origin/main` to the base branch/commit you want to compare against.
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<details>
<summary>
View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/Headers/riscv_mips.h b/clang/lib/Headers/riscv_mips.h
index 092a92757..124a98928 100644
--- a/clang/lib/Headers/riscv_mips.h
+++ b/clang/lib/Headers/riscv_mips.h
@@ -1,4 +1,5 @@
-//===----- riscv_mips.h - RISC-V MIPS Intrinsic definitions ----------------------===//
+//===----- riscv_mips.h - RISC-V MIPS Intrinsic definitions
+//----------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
@@ -6,7 +7,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-
 #ifndef __RISCV_MIPS_H
 #define __RISCV_MIPS_H
 
@@ -14,21 +14,19 @@
 #error "This header is only meant to be used on riscv architecture"
 #endif
 
-#define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__,  __target__("xmipsexectl")))
+#define __DEFAULT_FN_ATTRS                                                     \
+  __attribute__((__always_inline__, __nodebug__, __target__("xmipsexectl")))
 
-static __inline__ void __DEFAULT_FN_ATTRS __mips_pause()
-{
-	__builtin_riscv_mips_pause();
+static __inline__ void __DEFAULT_FN_ATTRS __mips_pause() {
+  __builtin_riscv_mips_pause();
 }
 
-static __inline__ void __DEFAULT_FN_ATTRS __mips_ehb()
-{
-	__builtin_riscv_mips_ehb();
+static __inline__ void __DEFAULT_FN_ATTRS __mips_ehb() {
+  __builtin_riscv_mips_ehb();
 }
 
-static __inline__ void __DEFAULT_FN_ATTRS __mips_ihb()
-{
-	__builtin_riscv_mips_ihb();
+static __inline__ void __DEFAULT_FN_ATTRS __mips_ihb() {
+  __builtin_riscv_mips_ihb();
 }
 
 #undef __DEFAULT_FN_ATTRS

``````````

</details>


https://github.com/llvm/llvm-project/pull/159246


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