sparcv8-inline-asm.c
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// RUN: %clang_cc1 -triple sparc-unknown-unknown -emit-llvm %s -o - | FileCheck %s
// CHECK: define float @fabsf(float %a)
// CHECK: %{{.*}} = call float asm sideeffect "fabss $1, $0;", "=e,f"(float %{{.*}})
float fabsf(float a) {
float res;
__asm __volatile__("fabss %1, %0;"
: /* reg out*/ "=e"(res)
: /* reg in */ "f"(a));
return res;
}
void test_gcc_registers(void) {
register unsigned int regO6 asm("o6") = 0;
register unsigned int regSP asm("sp") = 1;
register unsigned int reg14 asm("r14") = 2;
register unsigned int regI6 asm("i6") = 3;
register unsigned int regFP asm("fp") = 4;
register unsigned int reg30 asm("r30") = 5;
register float fF20 asm("f20") = 8.0;
register double dF20 asm("f20") = 11.0;
register long double qF20 asm("f20") = 14.0;
// Test remapping register names in register ... asm("rN") statments.
// CHECK: call void asm sideeffect "add $0,$1,$2", "{r14},{r14},{r14}"
asm volatile("add %0,%1,%2" : : "r" (regO6), "r" (regSP), "r" (reg14));
// CHECK: call void asm sideeffect "add $0,$1,$2", "{r30},{r30},{r30}"
asm volatile("add %0,%1,%2" : : "r" (regI6), "r" (regFP), "r" (reg30));
// CHECK: call void asm sideeffect "fadds $0,$1,$2", "{f20},{f20},{f20}"
asm volatile("fadds %0,%1,%2" : : "f" (fF20), "f" (fF20), "f"(fF20));
// CHECK: call void asm sideeffect "faddd $0,$1,$2", "{f20},{f20},{f20}"
asm volatile("faddd %0,%1,%2" : : "f" (dF20), "f" (dF20), "f"(dF20));
// CHECK: call void asm sideeffect "faddq $0,$1,$2", "{f20},{f20},{f20}"
asm volatile("faddq %0,%1,%2" : : "f" (qF20), "f" (qF20), "f"(qF20));
}