| 1 | // RUN: %clang_cc1 -triple sparc-unknown-unknown -emit-llvm %s -o - | FileCheck %s |
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| 2 | |
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| 3 | // CHECK: define float @fabsf(float %a) |
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| 4 | // CHECK: %{{.*}} = call float asm sideeffect "fabss $1, $0;", "=e,f"(float %{{.*}}) |
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| 5 | float fabsf(float a) { |
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| 6 | float res; |
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| 7 | __asm __volatile__("fabss %1, %0;" |
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| 8 | : /* reg out*/ "=e"(res) |
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| 9 | : /* reg in */ "f"(a)); |
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| 10 | return res; |
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| 11 | } |
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| 12 | |
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| 13 | void test_gcc_registers(void) { |
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| 14 | register unsigned int regO6 asm("o6") = 0; |
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| 15 | register unsigned int regSP asm("sp") = 1; |
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| 16 | register unsigned int reg14 asm("r14") = 2; |
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| 17 | register unsigned int regI6 asm("i6") = 3; |
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| 18 | register unsigned int regFP asm("fp") = 4; |
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| 19 | register unsigned int reg30 asm("r30") = 5; |
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| 20 | |
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| 21 | register float fF20 asm("f20") = 8.0; |
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| 22 | register double dF20 asm("f20") = 11.0; |
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| 23 | register long double qF20 asm("f20") = 14.0; |
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| 24 | |
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| 25 | // Test remapping register names in register ... asm("rN") statments. |
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| 26 | |
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| 27 | // CHECK: call void asm sideeffect "add $0,$1,$2", "{r14},{r14},{r14}" |
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| 28 | asm volatile("add %0,%1,%2" : : "r" (regO6), "r" (regSP), "r" (reg14)); |
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| 29 | |
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| 30 | // CHECK: call void asm sideeffect "add $0,$1,$2", "{r30},{r30},{r30}" |
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| 31 | asm volatile("add %0,%1,%2" : : "r" (regI6), "r" (regFP), "r" (reg30)); |
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| 32 | |
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| 33 | // CHECK: call void asm sideeffect "fadds $0,$1,$2", "{f20},{f20},{f20}" |
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| 34 | asm volatile("fadds %0,%1,%2" : : "f" (fF20), "f" (fF20), "f"(fF20)); |
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| 35 | |
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| 36 | // CHECK: call void asm sideeffect "faddd $0,$1,$2", "{f20},{f20},{f20}" |
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| 37 | asm volatile("faddd %0,%1,%2" : : "f" (dF20), "f" (dF20), "f"(dF20)); |
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| 38 | |
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| 39 | // CHECK: call void asm sideeffect "faddq $0,$1,$2", "{f20},{f20},{f20}" |
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| 40 | asm volatile("faddq %0,%1,%2" : : "f" (qF20), "f" (qF20), "f"(qF20)); |
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| 41 | |
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| 42 | } |
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| 43 | |
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