File: sparcv9-inline-asm.c

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-6~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,418,812 kB
  • sloc: cpp: 5,290,827; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,900; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,892; xml: 953; cs: 573; fortran: 539
file content (32 lines) | stat: -rw-r--r-- 1,376 bytes parent folder | download | duplicates (27)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
// RUN: %clang_cc1 -triple sparcv9-unknown-unknown -emit-llvm %s -o - | FileCheck %s

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 dF40 asm("f40") = 11.0;
    register long double qF40 asm("f40") = 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", "{f40},{f40},{f40}"
    asm volatile("faddd %0,%1,%2" : : "f" (dF40), "f" (dF40), "f"(dF40));

    // CHECK: call void asm sideeffect "faddq $0,$1,$2", "{f40},{f40},{f40}"
    asm volatile("faddq %0,%1,%2" : : "f" (qF40), "f" (qF40), "f"(qF40));

}