// compile with -march=armv8-a+simd on compatible aarch64 compiler
// linux-aarch64-neon.core was generated by: aarch64-linux-gnu-gcc-8
// commandline: -march=armv8-a+simd -nostdlib -static -g linux-aarch64-neon.c
#include <stdint.h>
static void bar(char *boom) {
char F = 'b';
asm volatile("fmov d0, #0.5\n\t");
asm volatile("fmov d1, #1.5\n\t");
asm volatile("fmov d2, #2.5\n\t");
asm volatile("fmov d3, #3.5\n\t");
asm volatile("fmov s4, #4.5\n\t");
asm volatile("fmov s5, #5.5\n\t");
asm volatile("fmov s6, #6.5\n\t");
asm volatile("fmov s7, #7.5\n\t");
asm volatile("movi v8.16b, #0x11\n\t");
asm volatile("movi v31.16b, #0x30\n\t");
uint64_t pattern = 0x1122334455667788;
asm volatile("msr tpidr_el0, %0" ::"r"(pattern));
*boom = 47; // Frame bar
}
static void foo(char *boom, void (*boomer)(char *)) {
char F = 'f';
boomer(boom); // Frame foo
}
void _start(void) {
char F = '_';
foo(0, bar); // Frame _start
}