qbe-backend/test/abi6.ssa

# test arm64's hfa

data $dfmt = { b "double: %g\n", b 0 }

type :hfa3 = { s, s, s }

export
function $f(:hfa3 %h1, :hfa3 %h2, d %d1, :hfa3 %h3, d %d2) {
        # the first three parameters should be in 7 registers
        # the last two should be on the stack
@start

        call $phfa3(:hfa3 %h1)
        call $phfa3(:hfa3 %h2)
        call $phfa3(:hfa3 %h3)
        call $printf(l $dfmt, ..., d %d1)
        call $printf(l $dfmt, ..., d %d2)
        ret
}

# >>> driver
# #include <stdio.h>
# typedef struct { float f1, f2, f3; } hfa3;
# void f(hfa3, hfa3, double, hfa3, double);
# void phfa3(hfa3 h) { printf("{ %g, %g, %g }\n", h.f1, h.f2, h.f3); }
# int main() {
#       hfa3 h1={1,2,3}, h2={2,3,4}, h3={3,4,5};
#       f(h1, h2, 1, h3, 2);
# }
# <<<

# >>> output
# { 1, 2, 3 }
# { 2, 3, 4 }
# { 3, 4, 5 }
# double: 1
# double: 2
# <<<