| 1 | // RUN: %clang_cc1 -triple sparcv9-unknown-unknown -emit-llvm %s -o - | FileCheck %s |
|---|
| 2 | |
|---|
| 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 | |
|---|