Bryce Adelstein Lelbach brycelelbach
brycelelbach
/ unroll_meta.cpp
Created
October 19, 2010 20:41
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| #include <boost/spirit/home/prana/meta/unroll_copy.hpp> | |
| #include <cstdio> | |
| int main (void) { | |
| using namespace boost::spirit::prana; | |
| char buffer[35]; | |
| char* it = buffer; |
brycelelbach
/ unroll_for.cpp
Created
October 19, 2010 20:41
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| #include <cstdio> | |
| int main (void) { | |
| char buffer[35]; | |
| for (char i = 0; i < 34; ++i) buffer[i] = 'f'; | |
| buffer[34] = '\0'; | |
| printf("%s\n", buffer); |
brycelelbach
/ unroll_for.s
Created
October 19, 2010 20:41
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| .file "unroll_for.cpp" | |
| .text | |
| .globl main | |
| .type main, @function | |
| main: | |
| .LFB12: | |
| .cfi_startproc | |
| subq $56, %rsp | |
| .cfi_def_cfa_offset 64 | |
| movq %rsp, %rax |
brycelelbach
/ unroll_meta.s
Created
October 19, 2010 20:42
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| .file "unroll_meta.cpp" | |
| .text | |
| .globl main | |
| .type main, @function | |
| main: | |
| .LFB43: | |
| .cfi_startproc | |
| subq $56, %rsp | |
| .cfi_def_cfa_offset 64 | |
| movb $102, (%rsp) |
brycelelbach
/ gist:635077
Created
October 19, 2010 20:46
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| .file "unroll_for.cpp" | |
| .text | |
| .p2align 4,,15 | |
| .globl main | |
| .type main, @function | |
| main: | |
| .LFB12: | |
| .cfi_startproc | |
| subq $56, %rsp | |
| .cfi_def_cfa_offset 64 |
brycelelbach
/ gist:635080
Created
October 19, 2010 20:46
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| .file "unroll_meta.cpp" | |
| .text | |
| .p2align 4,,15 | |
| .globl main | |
| .type main, @function | |
| main: | |
| .LFB43: | |
| .cfi_startproc | |
| subq $56, %rsp | |
| .cfi_def_cfa_offset 64 |
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| [ 0.000000] Initializing cgroup subsys cpuset | |
| [ 0.000000] Initializing cgroup subsys cpu | |
| [ 0.000000] Linux version 2.6.36-clang-00004-g77a555c (wash@Pegasus) (Thread model: posix) #6 SMP Sun Oct 24 17:50:46 EDT 2010 | |
| [ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-2.6.36-clang-00004-g77a555c root=UUID=c345e709-e26a-4015-9808-6b5ee79d42d1 ro | |
| [ 0.000000] BIOS-provided physical RAM map: | |
| [ 0.000000] BIOS-e820: 0000000000000000 - 000000000009fc00 (usable) | |
| [ 0.000000] BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved) | |
| [ 0.000000] BIOS-e820: 00000000000e0000 - 0000000000100000 (reserved) | |
| [ 0.000000] BIOS-e820: 0000000000100000 - 0000000040000000 (usable) | |
| [ 0.000000] BIOS-e820: 0000000040000000 - 0000000050000000 (reserved) |
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| Mon Oct 25 02:17:28 2010: Setting parameters of disc: (none). | |
| Mon Oct 25 02:17:28 2010: Activating swap...done. | |
| Mon Oct 25 02:17:28 2010: Checking root file system...fsck from util-linux-ng 2.16.2 | |
| Mon Oct 25 02:17:28 2010: /dev/sda3: clean, 789212/9158656 files, 13555354/36621093 blocks | |
| Mon Oct 25 02:17:28 2010: done. | |
| Mon Oct 25 02:17:28 2010: Cleaning up ifupdown.... | |
| Mon Oct 25 02:17:28 2010: Setting up networking.... | |
| Mon Oct 25 02:17:28 2010: Activating lvm and md swap...done. | |
| Mon Oct 25 02:17:28 2010: Checking file systems...fsck from util-linux-ng 2.16.2 | |
| Mon Oct 25 02:17:28 2010: done. |
brycelelbach
/ gist:644514
Created
October 25, 2010 06:43
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| const sys_call_ptr_t sys_call_table[__NR_syscall_max+1] = { | |
| /* | |
| *Smells like a like a compiler bug -- it doesn't work | |
| *when the & below is removed. | |
| */ | |
| [0 ... __NR_syscall_max] = &sys_ni_syscall, | |
| #include <asm/unistd_64.h> | |
| }; |
brycelelbach
/ gist:644515
Created
October 25, 2010 06:44
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| /* System call table for x86-64. */ | |
| #include <linux/linkage.h> | |
| #include <linux/sys.h> | |
| #include <linux/cache.h> | |
| #include <asm/asm-offsets.h> | |
| #define __NO_STUBS | |
| #define __SYSCALL(nr, sym) extern asmlinkage void sym(void) ; |