[libc-commits] [libc] [libc] Adds AMDGPU gfx941 and gfx942 to archs (PR #76573)

[via libc-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-amdgpu

Author: Jan Patrick Lehr (jplehr)

<details>
<summary>Changes</summary>

This adds the ROCm device libs defines for both target architectures so that we an compile libc on such GPUs.

---
Full diff: https://github.com/llvm/llvm-project/pull/76573.diff


2 Files Affected:

- (modified) libc/cmake/modules/prepare_libc_gpu_build.cmake (+3-2) 
- (modified) libc/src/math/gpu/vendor/amdgpu/platform.h (+4) 


``````````diff
diff --git a/libc/cmake/modules/prepare_libc_gpu_build.cmake b/libc/cmake/modules/prepare_libc_gpu_build.cmake
index f3ccbdc9eb15a3..05c46a64297adc 100644
--- a/libc/cmake/modules/prepare_libc_gpu_build.cmake
+++ b/libc/cmake/modules/prepare_libc_gpu_build.cmake
@@ -5,8 +5,9 @@ endif()
 
 # Set up the target architectures to build the GPU libc for.
 set(all_amdgpu_architectures "gfx700;gfx701;gfx801;gfx803;gfx900;gfx902;gfx906"
-                             "gfx908;gfx90a;gfx90c;gfx940;gfx1010;gfx1030"
-                             "gfx1031;gfx1032;gfx1033;gfx1034;gfx1035;gfx1036"
+                             "gfx908;gfx90a;gfx90c;gfx940;gfx941;gfx942"
+                             "gfx1010;gfx1030;gfx1031;gfx1032;gfx1033;gfx1034"
+                             "gfx1035;gfx1036"
                              "gfx1100;gfx1101;gfx1102;gfx1103;gfx1150;gfx1151")
 set(all_nvptx_architectures "sm_35;sm_37;sm_50;sm_52;sm_53;sm_60;sm_61;sm_62"
                             "sm_70;sm_72;sm_75;sm_80;sm_86;sm_89;sm_90")
diff --git a/libc/src/math/gpu/vendor/amdgpu/platform.h b/libc/src/math/gpu/vendor/amdgpu/platform.h
index d06a53d7371d20..160a8508cd8b95 100644
--- a/libc/src/math/gpu/vendor/amdgpu/platform.h
+++ b/libc/src/math/gpu/vendor/amdgpu/platform.h
@@ -72,6 +72,10 @@ extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 9010;
 extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 9012;
 #elif defined(__gfx940__)
 extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 9400;
+#elif defined(__gfx941__)
+extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 9401;
+#elif defined(__gfx942__)
+extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 9402;
 #elif defined(__gfx1010__)
 extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 10100;
 #elif defined(__gfx1011__)

``````````

</details>


https://github.com/llvm/llvm-project/pull/76573