Jon Roelofs jroelofs
jroelofs
/ gist:dbcdbd23f1c1e7a5f539
Created
June 17, 2014 17:11
-ffreestanding memcpy for copy-ctors
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| $ cat copy_ctor.cpp | |
| struct Foo { | |
| char big[10240]; | |
| }; | |
| Foo fooCopy(const Foo * const in) { | |
| return Foo(*in); | |
| } | |
| $ ./clang++ -target arm-none-eabi copy_ctor.cpp -c |
jroelofs
/ gist:3659bed8c1a7751bc5dc
Last active
August 29, 2015 14:02
CLANG: objdump of libcxx/test/iterators/predef.iterators/insert.iterators/front.insert.iter.ops/front.insert.iter.op=/rv_value.pass.cpp built with -Os
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| rv_value.pass.o: file format elf32-littlearm | |
| Disassembly of section .text: | |
| 00000000 <main>: | |
| } | |
| #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
jroelofs
/ gist:e0562ebf40d83ab6dd5e
Last active
August 29, 2015 14:01
-fintegrated-as vs -fno-integrated-as bug
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| [15:00:32] ✘ jroelofs@build1-lucid-cs arm-none-eabi-lite$ cat foobar.c | |
| #if defined(MACRO_OUTSIDE) | |
| asm( | |
| ".macro RETURN cond=\n\t" | |
| "bx\\cond lr\n\t" | |
| ".endm\n\t" | |
| ); | |
| #endif | |
| char* __attribute__((naked)) |
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