diff options
Diffstat (limited to 'js/src/jit/arm/llvm-compiler-rt')
| -rw-r--r-- | js/src/jit/arm/llvm-compiler-rt/arm/aeabi_idivmod.S | 27 | ||||
| -rw-r--r-- | js/src/jit/arm/llvm-compiler-rt/arm/aeabi_uidivmod.S | 28 | ||||
| -rw-r--r-- | js/src/jit/arm/llvm-compiler-rt/assembly.h | 67 |
3 files changed, 122 insertions, 0 deletions
diff --git a/js/src/jit/arm/llvm-compiler-rt/arm/aeabi_idivmod.S b/js/src/jit/arm/llvm-compiler-rt/arm/aeabi_idivmod.S new file mode 100644 index 0000000000..0237f2221d --- /dev/null +++ b/js/src/jit/arm/llvm-compiler-rt/arm/aeabi_idivmod.S @@ -0,0 +1,27 @@ +//===-- aeabi_idivmod.S - EABI idivmod implementation ---------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "../assembly.h" + +// struct { int quot, int rem} __aeabi_idivmod(int numerator, int denominator) { +// int rem, quot; +// quot = __divmodsi4(numerator, denominator, &rem); +// return {quot, rem}; +// } + + .syntax unified + .align 2 +DEFINE_COMPILERRT_FUNCTION(__aeabi_idivmod) + push { lr } + sub sp, sp, #4 + mov r2, sp + bl SYMBOL_NAME(__divmodsi4) + ldr r1, [sp] + add sp, sp, #4 + pop { pc } diff --git a/js/src/jit/arm/llvm-compiler-rt/arm/aeabi_uidivmod.S b/js/src/jit/arm/llvm-compiler-rt/arm/aeabi_uidivmod.S new file mode 100644 index 0000000000..f7e1d2ebed --- /dev/null +++ b/js/src/jit/arm/llvm-compiler-rt/arm/aeabi_uidivmod.S @@ -0,0 +1,28 @@ +//===-- aeabi_uidivmod.S - EABI uidivmod implementation -------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "../assembly.h" + +// struct { unsigned quot, unsigned rem} +// __aeabi_uidivmod(unsigned numerator, unsigned denominator) { +// unsigned rem, quot; +// quot = __udivmodsi4(numerator, denominator, &rem); +// return {quot, rem}; +// } + + .syntax unified + .align 2 +DEFINE_COMPILERRT_FUNCTION(__aeabi_uidivmod) + push { lr } + sub sp, sp, #4 + mov r2, sp + bl SYMBOL_NAME(__udivmodsi4) + ldr r1, [sp] + add sp, sp, #4 + pop { pc } diff --git a/js/src/jit/arm/llvm-compiler-rt/assembly.h b/js/src/jit/arm/llvm-compiler-rt/assembly.h new file mode 100644 index 0000000000..802d1e2870 --- /dev/null +++ b/js/src/jit/arm/llvm-compiler-rt/assembly.h @@ -0,0 +1,67 @@ +/* ===-- assembly.h - compiler-rt assembler support macros -----------------=== + * + * The LLVM Compiler Infrastructure + * + * This file is dual licensed under the MIT and the University of Illinois Open + * Source Licenses. See LICENSE.TXT for details. + * + * ===----------------------------------------------------------------------=== + * + * This file defines macros for use in compiler-rt assembler source. + * This file is not part of the interface of this library. + * + * ===----------------------------------------------------------------------=== + */ + +#ifndef COMPILERRT_ASSEMBLY_H +#define COMPILERRT_ASSEMBLY_H + +#if defined(__POWERPC__) || defined(__powerpc__) || defined(__ppc__) +# define SEPARATOR @ +#else +# define SEPARATOR ; +#endif + +#if defined(__APPLE__) +# define HIDDEN_DIRECTIVE .private_extern +# define LOCAL_LABEL(name) L_##name +#else +# define HIDDEN_DIRECTIVE .hidden +# define LOCAL_LABEL(name) .L_##name +#endif + +#define GLUE2(a, b) a##b +#define GLUE(a, b) GLUE2(a, b) +#define SYMBOL_NAME(name) GLUE(__USER_LABEL_PREFIX__, name) + +#ifdef VISIBILITY_HIDDEN +# define DECLARE_SYMBOL_VISIBILITY(name) \ + HIDDEN_DIRECTIVE SYMBOL_NAME(name) SEPARATOR +#else +# define DECLARE_SYMBOL_VISIBILITY(name) +#endif + +#define DEFINE_COMPILERRT_FUNCTION(name) \ + .globl SYMBOL_NAME(name) \ + SEPARATOR DECLARE_SYMBOL_VISIBILITY(name) SYMBOL_NAME(name) : + +#define DEFINE_COMPILERRT_PRIVATE_FUNCTION(name) \ + .globl SYMBOL_NAME(name) \ + SEPARATOR HIDDEN_DIRECTIVE SYMBOL_NAME(name) \ + SEPARATOR SYMBOL_NAME(name) : + +#define DEFINE_COMPILERRT_PRIVATE_FUNCTION_UNMANGLED(name) \ + .globl name SEPARATOR HIDDEN_DIRECTIVE name SEPARATOR name: + +#define DEFINE_COMPILERRT_FUNCTION_ALIAS(name, target) \ + .globl SYMBOL_NAME(name) SEPARATOR.set SYMBOL_NAME(name), \ + SYMBOL_NAME(target) SEPARATOR + +#if defined(__ARM_EABI__) +# define DEFINE_AEABI_FUNCTION_ALIAS(aeabi_name, name) \ + DEFINE_COMPILERRT_FUNCTION_ALIAS(aeabi_name, name) +#else +# define DEFINE_AEABI_FUNCTION_ALIAS(aeabi_name, name) +#endif + +#endif /* COMPILERRT_ASSEMBLY_H */ |