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Duktape: Use align-by-8 on all platforms by default

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This reproduces upstream commit de7ae8a2ecc597e1c2024c15dbeae4d28c9f2a2c.

*   de7ae8a2ec

It was applied to master after the release of Duktape 2.2.0.  See also:

*   https://github.com/svaarala/duktape/issues/1783
*   https://github.com/svaarala/duktape/issues/812#issuecomment-337058737
This commit is contained in:
Michael Drake 2017-10-29 15:17:06 +00:00
parent 0687687c37
commit 448228a30c
1 changed files with 0 additions and 51 deletions
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51
content/handlers/javascript/duktape/duk_config.h
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@ -850,12 +850,6 @@
#if !defined(DUK_USE_BYTEORDER) #if !defined(DUK_USE_BYTEORDER)
#define DUK_USE_BYTEORDER 1 #define DUK_USE_BYTEORDER 1
#endif #endif
/* XXX: This is technically not guaranteed because it's possible to configure
* an x86 to require aligned accesses with Alignment Check (AC) flag.
*/
#if !defined(DUK_USE_ALIGN_BY)
#define DUK_USE_ALIGN_BY 1
#endif
#define DUK_USE_PACKED_TVAL #define DUK_USE_PACKED_TVAL
#define DUK_F_PACKED_TVAL_PROVIDED #define DUK_F_PACKED_TVAL_PROVIDED
#elif defined(DUK_F_X64) #elif defined(DUK_F_X64)
@ -864,12 +858,6 @@
#if !defined(DUK_USE_BYTEORDER) #if !defined(DUK_USE_BYTEORDER)
#define DUK_USE_BYTEORDER 1 #define DUK_USE_BYTEORDER 1
#endif #endif
/* XXX: This is technically not guaranteed because it's possible to configure
* an x86 to require aligned accesses with Alignment Check (AC) flag.
*/
#if !defined(DUK_USE_ALIGN_BY)
#define DUK_USE_ALIGN_BY 1
#endif
#undef DUK_USE_PACKED_TVAL #undef DUK_USE_PACKED_TVAL
#define DUK_F_PACKED_TVAL_PROVIDED #define DUK_F_PACKED_TVAL_PROVIDED
#elif defined(DUK_F_X32) #elif defined(DUK_F_X32)
@ -878,48 +866,30 @@
#if !defined(DUK_USE_BYTEORDER) #if !defined(DUK_USE_BYTEORDER)
#define DUK_USE_BYTEORDER 1 #define DUK_USE_BYTEORDER 1
#endif #endif
/* XXX: This is technically not guaranteed because it's possible to configure
* an x86 to require aligned accesses with Alignment Check (AC) flag.
*/
#if !defined(DUK_USE_ALIGN_BY)
#define DUK_USE_ALIGN_BY 1
#endif
#define DUK_USE_PACKED_TVAL #define DUK_USE_PACKED_TVAL
#define DUK_F_PACKED_TVAL_PROVIDED #define DUK_F_PACKED_TVAL_PROVIDED
#elif defined(DUK_F_ARM32) #elif defined(DUK_F_ARM32)
/* --- ARM 32-bit --- */ /* --- ARM 32-bit --- */
#define DUK_USE_ARCH_STRING "arm32" #define DUK_USE_ARCH_STRING "arm32"
/* Byte order varies, so rely on autodetect. */ /* Byte order varies, so rely on autodetect. */
#if !defined(DUK_USE_ALIGN_BY)
#define DUK_USE_ALIGN_BY 4
#endif
#define DUK_USE_PACKED_TVAL #define DUK_USE_PACKED_TVAL
#define DUK_F_PACKED_TVAL_PROVIDED #define DUK_F_PACKED_TVAL_PROVIDED
#elif defined(DUK_F_ARM64) #elif defined(DUK_F_ARM64)
/* --- ARM 64-bit --- */ /* --- ARM 64-bit --- */
#define DUK_USE_ARCH_STRING "arm64" #define DUK_USE_ARCH_STRING "arm64"
/* Byte order varies, so rely on autodetect. */ /* Byte order varies, so rely on autodetect. */
#if !defined(DUK_USE_ALIGN_BY)
#define DUK_USE_ALIGN_BY 8
#endif
#undef DUK_USE_PACKED_TVAL #undef DUK_USE_PACKED_TVAL
#define DUK_F_PACKED_TVAL_PROVIDED #define DUK_F_PACKED_TVAL_PROVIDED
#elif defined(DUK_F_MIPS32) #elif defined(DUK_F_MIPS32)
/* --- MIPS 32-bit --- */ /* --- MIPS 32-bit --- */
#define DUK_USE_ARCH_STRING "mips32" #define DUK_USE_ARCH_STRING "mips32"
/* MIPS byte order varies so rely on autodetection. */ /* MIPS byte order varies so rely on autodetection. */
#if !defined(DUK_USE_ALIGN_BY)
#define DUK_USE_ALIGN_BY 8
#endif
#define DUK_USE_PACKED_TVAL #define DUK_USE_PACKED_TVAL
#define DUK_F_PACKED_TVAL_PROVIDED #define DUK_F_PACKED_TVAL_PROVIDED
#elif defined(DUK_F_MIPS64) #elif defined(DUK_F_MIPS64)
/* --- MIPS 64-bit --- */ /* --- MIPS 64-bit --- */
#define DUK_USE_ARCH_STRING "mips64" #define DUK_USE_ARCH_STRING "mips64"
/* MIPS byte order varies so rely on autodetection. */ /* MIPS byte order varies so rely on autodetection. */
#if !defined(DUK_USE_ALIGN_BY)
#define DUK_USE_ALIGN_BY 8
#endif
#undef DUK_USE_PACKED_TVAL #undef DUK_USE_PACKED_TVAL
#define DUK_F_PACKED_TVAL_PROVIDED #define DUK_F_PACKED_TVAL_PROVIDED
#elif defined(DUK_F_PPC32) #elif defined(DUK_F_PPC32)
@ -928,9 +898,6 @@
#if !defined(DUK_USE_BYTEORDER) #if !defined(DUK_USE_BYTEORDER)
#define DUK_USE_BYTEORDER 3 #define DUK_USE_BYTEORDER 3
#endif #endif
#if !defined(DUK_USE_ALIGN_BY)
#define DUK_USE_ALIGN_BY 8
#endif
#define DUK_USE_PACKED_TVAL #define DUK_USE_PACKED_TVAL
#define DUK_F_PACKED_TVAL_PROVIDED #define DUK_F_PACKED_TVAL_PROVIDED
#elif defined(DUK_F_PPC64) #elif defined(DUK_F_PPC64)
@ -939,27 +906,18 @@
#if !defined(DUK_USE_BYTEORDER) #if !defined(DUK_USE_BYTEORDER)
#define DUK_USE_BYTEORDER 3 #define DUK_USE_BYTEORDER 3
#endif #endif
#if !defined(DUK_USE_ALIGN_BY)
#define DUK_USE_ALIGN_BY 8
#endif
#undef DUK_USE_PACKED_TVAL #undef DUK_USE_PACKED_TVAL
#define DUK_F_PACKED_TVAL_PROVIDED #define DUK_F_PACKED_TVAL_PROVIDED
#elif defined(DUK_F_SPARC32) #elif defined(DUK_F_SPARC32)
/* --- SPARC 32-bit --- */ /* --- SPARC 32-bit --- */
#define DUK_USE_ARCH_STRING "sparc32" #define DUK_USE_ARCH_STRING "sparc32"
/* SPARC byte order varies so rely on autodetection. */ /* SPARC byte order varies so rely on autodetection. */
#if !defined(DUK_USE_ALIGN_BY)
#define DUK_USE_ALIGN_BY 8
#endif
#define DUK_USE_PACKED_TVAL #define DUK_USE_PACKED_TVAL
#define DUK_F_PACKED_TVAL_PROVIDED #define DUK_F_PACKED_TVAL_PROVIDED
#elif defined(DUK_F_SPARC64) #elif defined(DUK_F_SPARC64)
/* --- SPARC 64-bit --- */ /* --- SPARC 64-bit --- */
#define DUK_USE_ARCH_STRING "sparc64" #define DUK_USE_ARCH_STRING "sparc64"
/* SPARC byte order varies so rely on autodetection. */ /* SPARC byte order varies so rely on autodetection. */
#if !defined(DUK_USE_ALIGN_BY)
#define DUK_USE_ALIGN_BY 8
#endif
#undef DUK_USE_PACKED_TVAL #undef DUK_USE_PACKED_TVAL
#define DUK_F_PACKED_TVAL_PROVIDED #define DUK_F_PACKED_TVAL_PROVIDED
#elif defined(DUK_F_SUPERH) #elif defined(DUK_F_SUPERH)
@ -969,9 +927,6 @@
/* Based on 'make checkalign' there are no alignment requirements on /* Based on 'make checkalign' there are no alignment requirements on
* Linux SH4, but align by 4 is probably a good basic default. * Linux SH4, but align by 4 is probably a good basic default.
*/ */
#if !defined(DUK_USE_ALIGN_BY)
#define DUK_USE_ALIGN_BY 4
#endif
#define DUK_USE_PACKED_TVAL #define DUK_USE_PACKED_TVAL
#define DUK_F_PACKED_TVAL_PROVIDED #define DUK_F_PACKED_TVAL_PROVIDED
#elif defined(DUK_F_M68K) #elif defined(DUK_F_M68K)
@ -980,9 +935,6 @@
#if !defined(DUK_USE_BYTEORDER) #if !defined(DUK_USE_BYTEORDER)
#define DUK_USE_BYTEORDER 3 #define DUK_USE_BYTEORDER 3
#endif #endif
#if !defined(DUK_USE_ALIGN_BY)
#define DUK_USE_ALIGN_BY 8
#endif
#define DUK_USE_PACKED_TVAL #define DUK_USE_PACKED_TVAL
#define DUK_F_PACKED_TVAL_PROVIDED #define DUK_F_PACKED_TVAL_PROVIDED
#elif defined(DUK_F_EMSCRIPTEN) #elif defined(DUK_F_EMSCRIPTEN)
@ -991,9 +943,6 @@
#if !defined(DUK_USE_BYTEORDER) #if !defined(DUK_USE_BYTEORDER)
#define DUK_USE_BYTEORDER 1 #define DUK_USE_BYTEORDER 1
#endif #endif
#if !defined(DUK_USE_ALIGN_BY)
#define DUK_USE_ALIGN_BY 8
#endif
#undef DUK_USE_PACKED_TVAL #undef DUK_USE_PACKED_TVAL
#define DUK_F_PACKED_TVAL_PROVIDED #define DUK_F_PACKED_TVAL_PROVIDED
#else #else