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Use predefined byte order macros #316

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Dec 6, 2023
Merged

Use predefined byte order macros #316

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2 changes: 0 additions & 2 deletions include/arch/arm-imx/arch.h
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Expand Up @@ -16,8 +16,6 @@
#ifndef _LIBPHOENIX_ARCH_ARM_IMX_ARCH_H_
#define _LIBPHOENIX_ARCH_ARM_IMX_ARCH_H_

#define __BYTE_ORDER __LITTLE_ENDIAN

#define __ARCH_STDINT <arch/arm-imx/stdint.h>
#define __ARCH_LIMITS <arch/arm-imx/limits.h>
#define __ARCH_SYS_TYPES <arch/arm-imx/types.h>
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2 changes: 0 additions & 2 deletions include/arch/armv7/arch.h
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Expand Up @@ -16,8 +16,6 @@
#ifndef _LIBPHOENIX_ARCH_ARMV7_ARCH_H_
#define _LIBPHOENIX_ARCH_ARMV7_ARCH_H_

#define __BYTE_ORDER __LITTLE_ENDIAN

#define __ARCH_STDINT <arch/armv7/stdint.h>
#define __ARCH_LIMITS <arch/armv7/limits.h>
#define __ARCH_SYS_TYPES <arch/armv7/types.h>
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2 changes: 0 additions & 2 deletions include/arch/ia32/arch.h
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Expand Up @@ -16,8 +16,6 @@
#ifndef _LIBPHOENIX_ARCH_IA32_ARCH_H_
#define _LIBPHOENIX_ARCH_IA32_ARCH_H_

#define __BYTE_ORDER __LITTLE_ENDIAN

#define __ARCH_STDINT <arch/ia32/stdint.h>
#define __ARCH_LIMITS <arch/ia32/limits.h>
#define __ARCH_SYS_TYPES <arch/ia32/types.h>
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2 changes: 0 additions & 2 deletions include/arch/riscv64/arch.h
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Expand Up @@ -16,8 +16,6 @@
#ifndef _LIBPHOENIX_ARCH_RISCV64_ARCH_H_
#define _LIBPHOENIX_ARCH_RISCV64_ARCH_H_

#define __BYTE_ORDER __LITTLE_ENDIAN

#define __ARCH_STDINT <arch/riscv64/stdint.h>
#define __ARCH_LIMITS <arch/riscv64/limits.h>
#define __ARCH_SYS_TYPES <arch/riscv64/types.h>
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2 changes: 0 additions & 2 deletions include/arch/sparcv8leon3/arch.h
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Expand Up @@ -16,8 +16,6 @@
#ifndef _LIBPHOENIX_ARCH_SPARCV8LEON3_ARCH_H_
#define _LIBPHOENIX_ARCH_SPARCV8LEON3_ARCH_H_

#define __BYTE_ORDER __BIG_ENDIAN

#define __ARCH_STDINT <arch/sparcv8leon3/stdint.h>
#define __ARCH_LIMITS <arch/sparcv8leon3/limits.h>
#define __ARCH_SYS_TYPES <arch/sparcv8leon3/types.h>
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16 changes: 9 additions & 7 deletions include/endian.h
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Expand Up @@ -24,22 +24,24 @@
extern "C" {
#endif


#define __LITTLE_ENDIAN 0
#define __BIG_ENDIAN 1
#define __BYTE_ORDER __BYTE_ORDER__
#define __LITTLE_ENDIAN __ORDER_LITTLE_ENDIAN__
#define __BIG_ENDIAN __ORDER_BIG_ENDIAN__

#include <arch.h>

#define __CPP_CONCAT1(x, y) x ## y
#define __CPP_CONCAT(x, y) __CPP_CONCAT1(x, y)
#define __CPP_CONCAT1(x, y) x##y
#define __CPP_CONCAT(x, y) __CPP_CONCAT1(x, y)


#if __BYTE_ORDER == __LITTLE_ENDIAN
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
#define __swap_le__(b) __CPP_CONCAT(__CPP_CONCAT(uint, b), _t)
#define __swap_be__(b) __CPP_CONCAT(__builtin_bswap, b)
#else
#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
#define __swap_le__(b) __CPP_CONCAT(__builtin_bswap, b)
#define __swap_be__(b) __CPP_CONCAT(__CPP_CONCAT(uint, b), _t)
#else
#error "Unsupported byte order"
#endif


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6 changes: 4 additions & 2 deletions math/common.h
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Expand Up @@ -21,14 +21,16 @@

typedef union {
struct {
#if __BYTE_ORDER == __LITTLE_ENDIAN
#if __FLOAT_WORD_ORDER__ == __ORDER_LITTLE_ENDIAN__
uint64_t mantisa:52;
uint16_t exponent:11;
uint8_t sign:1;
#else
#elif __FLOAT_WORD_ORDER__ == __ORDER_BIG_ENDIAN__
uint8_t sign:1;
uint16_t exponent:11;
uint64_t mantisa:52;
#else
#error "Unsupported byte order"
#endif
} i;
double d;
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