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Author: Andreas Beckmann <anbe@debian.org>
Description: add support for a GENERIC cpu type that uses llvm defaults
Forwarded: not-needed
Index: pocl/lib/kernel/host/CMakeLists.txt
===================================================================
--- pocl.orig/lib/kernel/host/CMakeLists.txt 2026-03-09 14:53:58.012919653 +0100
+++ pocl/lib/kernel/host/CMakeLists.txt 2026-03-09 14:53:58.012383560 +0100
@@ -674,6 +674,11 @@
set(LLC_CPUFLAGS "")
endif()
+if("${VARIANT}" STREQUAL "GENERIC")
+ set(CLANG_CPUFLAGS "")
+ set(LLC_CPUFLAGS "")
+endif()
+
separate_arguments(CLANG_CPUFLAGS)
separate_arguments(LLC_CPUFLAGS)
set(CLANG_FLAGS ${HOST_CLANG_FLAGS} ${CLANG_CPUFLAGS}
Index: pocl/cmake/LLVM.cmake
===================================================================
--- pocl.orig/cmake/LLVM.cmake 2026-03-09 14:53:58.012919653 +0100
+++ pocl/cmake/LLVM.cmake 2026-03-09 14:59:07.020303321 +0100
@@ -802,7 +802,14 @@
# Some architectures have -march and -mcpu reversed
if(NOT DEFINED CLANG_MARCH_FLAG)
message(STATUS "Checking clang -march vs. -mcpu flag")
- custom_try_compile_clang_silent("" "return 0;" RES --target=${LLC_TRIPLE} -march=${SELECTED_HOST_CPU})
+ if(LLC_HOST_CPU STREQUAL "GENERIC" AND NOT KERNELLIB_HOST_CPU_VARIANTS STREQUAL "distro")
+ set(CLANG_MARCH_FLAG "-None=")
+ else()
+ set(LLC_HOST_CPU_TEST "${SELECTED_HOST_CPU}")
+ if(LLC_HOST_CPU STREQUAL "GENERIC")
+ set(LLC_HOST_CPU_TEST "${LLC_HOST_CPU_AUTO}")
+ endif()
+ custom_try_compile_clang_silent("" "return 0;" RES --target=${LLC_TRIPLE} -march=${LLC_HOST_CPU_TEST})
if(NOT RES)
set(CLANG_MARCH_FLAG "-march=")
else()
@@ -813,6 +820,7 @@
message(FATAL_ERROR "Could not determine whether to use -march or -mcpu with clang")
endif()
endif()
+ endif()
message(STATUS " Using ${CLANG_MARCH_FLAG}")
set(CLANG_MARCH_FLAG ${CLANG_MARCH_FLAG} CACHE INTERNAL "Clang option used to specify the target cpu")
Index: pocl/lib/CL/devices/common_utils.c
===================================================================
--- pocl.orig/lib/CL/devices/common_utils.c 2026-03-09 14:53:58.012919653 +0100
+++ pocl/lib/CL/devices/common_utils.c 2026-03-09 14:53:58.012860920 +0100
@@ -304,6 +304,9 @@
device->kernellib_subdir = "host";
device->llvm_abi = pocl_get_llvm_cpu_abi ();
+ if(device->llvm_cpu && (!strcmp(device->llvm_cpu, "GENERIC")))
+ device->llvm_cpu = NULL;
+
#ifndef ENABLE_SIGFPE_HANDLER
if (strstr (OCL_KERNEL_TARGET, "x86") != NULL)
device->run_sanitize_divrem_pass = CL_TRUE;
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