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-rw-r--r--doc/release/1.16.0-notes.rst6
-rw-r--r--numpy/core/include/numpy/npy_cpu.h27
-rw-r--r--numpy/core/include/numpy/npy_endian.h43
-rw-r--r--numpy/core/src/private/npy_config.h3
4 files changed, 52 insertions, 27 deletions
diff --git a/doc/release/1.16.0-notes.rst b/doc/release/1.16.0-notes.rst
index 8df763b56..3daa4ae97 100644
--- a/doc/release/1.16.0-notes.rst
+++ b/doc/release/1.16.0-notes.rst
@@ -41,6 +41,12 @@ Even when no elements needed to be drawn, ``np.random.randint`` and
distribution. This has been fixed so that e.g.
``np.random.choice([], 0) == np.array([], dtype=float64)``.
+ARM support updated
+-------------------
+Support for ARM CPUs has been updated to accommodate 32 and 64 bit targets,
+and also big and little endian byte ordering. AARCH32 memory alignment issues
+have been addressed.
+
Changes
=======
diff --git a/numpy/core/include/numpy/npy_cpu.h b/numpy/core/include/numpy/npy_cpu.h
index 106ffa450..56f18ff79 100644
--- a/numpy/core/include/numpy/npy_cpu.h
+++ b/numpy/core/include/numpy/npy_cpu.h
@@ -61,10 +61,27 @@
#define NPY_CPU_HPPA
#elif defined(__alpha__)
#define NPY_CPU_ALPHA
-#elif defined(__arm__) && defined(__ARMEL__)
- #define NPY_CPU_ARMEL
-#elif defined(__arm__) && defined(__ARMEB__)
- #define NPY_CPU_ARMEB
+#elif defined(__arm__)
+ #if defined(__ARMEB__)
+ #if defined(__ARM_32BIT_STATE)
+ #define NPY_CPU_ARMEB_AARCH32
+ #elif defined(__ARM_64BIT_STATE)
+ #define NPY_CPU_ARMEB_AARCH64
+ #else
+ #define NPY_CPU_ARMEB
+ #endif
+ #elif defined(__ARMEL__)
+ #if defined(__ARM_32BIT_STATE)
+ #define NPY_CPU_ARMEL_AARCH32
+ #elif defined(__ARM_64BIT_STATE)
+ #define NPY_CPU_ARMEL_AARCH64
+ #else
+ #define NPY_CPU_ARMEL
+ #endif
+ #else
+ # error Unknown ARM CPU, please report this to numpy maintainers with \
+ information about your platform (OS, CPU and compiler)
+ #endif
#elif defined(__sh__) && defined(__LITTLE_ENDIAN__)
#define NPY_CPU_SH_LE
#elif defined(__sh__) && defined(__BIG_ENDIAN__)
@@ -75,8 +92,6 @@
#define NPY_CPU_MIPSEB
#elif defined(__or1k__)
#define NPY_CPU_OR1K
-#elif defined(__aarch64__)
- #define NPY_CPU_AARCH64
#elif defined(__mc68000__)
#define NPY_CPU_M68K
#elif defined(__arc__) && defined(__LITTLE_ENDIAN__)
diff --git a/numpy/core/include/numpy/npy_endian.h b/numpy/core/include/numpy/npy_endian.h
index 649bdb0a6..44cdffd14 100644
--- a/numpy/core/include/numpy/npy_endian.h
+++ b/numpy/core/include/numpy/npy_endian.h
@@ -37,28 +37,31 @@
#define NPY_LITTLE_ENDIAN 1234
#define NPY_BIG_ENDIAN 4321
- #if defined(NPY_CPU_X86) \
- || defined(NPY_CPU_AMD64) \
- || defined(NPY_CPU_IA64) \
- || defined(NPY_CPU_ALPHA) \
- || defined(NPY_CPU_ARMEL) \
- || defined(NPY_CPU_AARCH64) \
- || defined(NPY_CPU_SH_LE) \
- || defined(NPY_CPU_MIPSEL) \
- || defined(NPY_CPU_PPC64LE) \
- || defined(NPY_CPU_ARCEL) \
+ #if defined(NPY_CPU_X86) \
+ || defined(NPY_CPU_AMD64) \
+ || defined(NPY_CPU_IA64) \
+ || defined(NPY_CPU_ALPHA) \
+ || defined(NPY_CPU_ARMEL) \
+ || defined(NPY_CPU_ARMEL_AARCH32) \
+ || defined(NPY_CPU_ARMEL_AARCH64) \
+ || defined(NPY_CPU_SH_LE) \
+ || defined(NPY_CPU_MIPSEL) \
+ || defined(NPY_CPU_PPC64LE) \
+ || defined(NPY_CPU_ARCEL) \
|| defined(NPY_CPU_RISCV64)
#define NPY_BYTE_ORDER NPY_LITTLE_ENDIAN
- #elif defined(NPY_CPU_PPC) \
- || defined(NPY_CPU_SPARC) \
- || defined(NPY_CPU_S390) \
- || defined(NPY_CPU_HPPA) \
- || defined(NPY_CPU_PPC64) \
- || defined(NPY_CPU_ARMEB) \
- || defined(NPY_CPU_SH_BE) \
- || defined(NPY_CPU_MIPSEB) \
- || defined(NPY_CPU_OR1K) \
- || defined(NPY_CPU_M68K) \
+ #elif defined(NPY_CPU_PPC) \
+ || defined(NPY_CPU_SPARC) \
+ || defined(NPY_CPU_S390) \
+ || defined(NPY_CPU_HPPA) \
+ || defined(NPY_CPU_PPC64) \
+ || defined(NPY_CPU_ARMEB) \
+ || defined(NPY_CPU_ARMEB_AARCH32) \
+ || defined(NPY_CPU_ARMEB_AARCH64) \
+ || defined(NPY_CPU_SH_BE) \
+ || defined(NPY_CPU_MIPSEB) \
+ || defined(NPY_CPU_OR1K) \
+ || defined(NPY_CPU_M68K) \
|| defined(NPY_CPU_ARCEB)
#define NPY_BYTE_ORDER NPY_BIG_ENDIAN
#else
diff --git a/numpy/core/src/private/npy_config.h b/numpy/core/src/private/npy_config.h
index 107b3cb5b..8143e7719 100644
--- a/numpy/core/src/private/npy_config.h
+++ b/numpy/core/src/private/npy_config.h
@@ -15,7 +15,8 @@
* amd64 is not harmed much by the bloat as the system provides 16 byte
* alignment by default.
*/
-#if (defined NPY_CPU_X86 || defined _WIN32)
+#if (defined NPY_CPU_X86 || defined _WIN32 || defined NPY_CPU_ARMEL_AARCH32 ||\
+ defined NPY_CPU_ARMEB_AARCH32)
#define NPY_MAX_COPY_ALIGNMENT 8
#else
#define NPY_MAX_COPY_ALIGNMENT 16