1 // RUN: %clang_cc1 -triple sparcv9-unknown-unknown -emit-llvm %s -o - | FileCheck %s
2
test_gcc_registers(void)3 void test_gcc_registers(void) {
4 register unsigned int regO6 asm("o6") = 0;
5 register unsigned int regSP asm("sp") = 1;
6 register unsigned int reg14 asm("r14") = 2;
7 register unsigned int regI6 asm("i6") = 3;
8 register unsigned int regFP asm("fp") = 4;
9 register unsigned int reg30 asm("r30") = 5;
10
11 register float fF20 asm("f20") = 8.0;
12 register double dF40 asm("f40") = 11.0;
13 register long double qF40 asm("f40") = 14.0;
14
15 // Test remapping register names in register ... asm("rN") statments.
16
17 // CHECK: call void asm sideeffect "add $0,$1,$2", "{r14},{r14},{r14}"
18 asm volatile("add %0,%1,%2" : : "r" (regO6), "r" (regSP), "r" (reg14));
19
20 // CHECK: call void asm sideeffect "add $0,$1,$2", "{r30},{r30},{r30}"
21 asm volatile("add %0,%1,%2" : : "r" (regI6), "r" (regFP), "r" (reg30));
22
23 // CHECK: call void asm sideeffect "fadds $0,$1,$2", "{f20},{f20},{f20}"
24 asm volatile("fadds %0,%1,%2" : : "f" (fF20), "f" (fF20), "f"(fF20));
25
26 // CHECK: call void asm sideeffect "faddd $0,$1,$2", "{f40},{f40},{f40}"
27 asm volatile("faddd %0,%1,%2" : : "f" (dF40), "f" (dF40), "f"(dF40));
28
29 // CHECK: call void asm sideeffect "faddq $0,$1,$2", "{f40},{f40},{f40}"
30 asm volatile("faddq %0,%1,%2" : : "f" (qF40), "f" (qF40), "f"(qF40));
31
32 }
33