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Add support for RISC-V architecture 

* On RISC-V GCC 10.3 does not define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_n.
* Avoid a build error
  "Please add support for your platform in build_config.h"
  Cf: https://github.com/sergeyvfx/libNumaAPI/pull/3

Differential Revision: https://developer.blender.org/D11910
This commit is contained in:
Heinrich Schuchardt 2021-07-15 14:22:08 +02:00 committed by Sergey Sharybin
parent 709e443152
commit 468d59e496
Notes: blender-bot 2023-02-14 09:33:11 +01:00 
Referenced by issue #84192, Build-time check for atomics not robust for POSIX RISC-V
2 changed files with 16 additions and 3 deletions
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6
intern/atomic/intern/atomic_ops_unix.h
View File

@ -49,9 +49,9 @@
#include "atomic_ops_utils.h"
#if defined(__arm__)
/* Attempt to fix compilation error on Debian armel kernel.
* arm7 architecture does have both 32 and 64bit atomics, however
#if defined(__arm__) || defined(__riscv)
/* Attempt to fix compilation error on Debian armel and RISC-V kernels.
* Both architectures do have both 32 and 64bit atomics, however
* its gcc doesn't have __GCC_HAVE_SYNC_COMPARE_AND_SWAP_n defined.
*/
# define JE_FORCE_SYNC_COMPARE_AND_SWAP_1

13
intern/numaapi/source/build_config.h
View File

@ -324,6 +324,16 @@
# define ARCH_CPU_ARM64 1
# define ARCH_CPU_64_BITS 1
# define ARCH_CPU_LITTLE_ENDIAN 1
#elif defined(__riscv) && __riscv_xlen == 32
# define ARCH_CPU_RISCV_FAMILY 1
# define ARCH_CPU_RISCV32 1
# define ARCH_CPU_64_BITS 0
# define ARCH_CPU_LITTLE_ENDIAN 1
#elif defined(__riscv) && __riscv_xlen == 64
# define ARCH_CPU_RISCV_FAMILY 1
# define ARCH_CPU_RISCV64 1
# define ARCH_CPU_64_BITS 1
# define ARCH_CPU_LITTLE_ENDIAN 1
#elif defined(__pnacl__) || defined(__asmjs__) || defined(__wasm__)
# define ARCH_CPU_32_BITS 1
# define ARCH_CPU_LITTLE_ENDIAN 1
@ -381,6 +391,9 @@
#if !defined(ARCH_CPU_PPC64_FAMILY)
# define ARCH_CPU_PPC64_FAMILY 0
#endif
#if !defined(ARCH_CPU_RISCV_FAMILY)
# define ARCH_CPU_RISCV_FAMILY 0
#endif
#if !defined(ARCH_CPU_S390_FAMILY)
# define ARCH_CPU_S390_FAMILY 0
#endif