| 1 | // compile with -march=armv8-a+simd on compatible aarch64 compiler |
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| 2 | // linux-aarch64-neon.core was generated by: aarch64-linux-gnu-gcc-8 |
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| 3 | // commandline: -march=armv8-a+simd -nostdlib -static -g linux-aarch64-neon.c |
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| 4 | #include <stdint.h> |
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| 5 | |
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| 6 | static void bar(char *boom) { |
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| 7 | char F = 'b'; |
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| 8 | asm volatile("fmov d0, #0.5\n\t" ); |
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| 9 | asm volatile("fmov d1, #1.5\n\t" ); |
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| 10 | asm volatile("fmov d2, #2.5\n\t" ); |
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| 11 | asm volatile("fmov d3, #3.5\n\t" ); |
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| 12 | asm volatile("fmov s4, #4.5\n\t" ); |
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| 13 | asm volatile("fmov s5, #5.5\n\t" ); |
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| 14 | asm volatile("fmov s6, #6.5\n\t" ); |
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| 15 | asm volatile("fmov s7, #7.5\n\t" ); |
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| 16 | asm volatile("movi v8.16b, #0x11\n\t" ); |
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| 17 | asm volatile("movi v31.16b, #0x30\n\t" ); |
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| 18 | |
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| 19 | uint64_t pattern = 0x1122334455667788; |
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| 20 | asm volatile("msr tpidr_el0, %0" ::"r" (pattern)); |
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| 21 | |
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| 22 | *boom = 47; // Frame bar |
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| 23 | } |
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| 24 | |
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| 25 | static void foo(char *boom, void (*boomer)(char *)) { |
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| 26 | char F = 'f'; |
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| 27 | boomer(boom); // Frame foo |
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| 28 | } |
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| 29 | |
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| 30 | void _start(void) { |
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| 31 | char F = '_'; |
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| 32 | foo(boom: 0, boomer: bar); // Frame _start |
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| 33 | } |
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| 34 | |
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