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integer: Add ADDS test

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Moved to inline asm by Normmatt.
This commit is contained in:
Lioncash 2014-12-10 21:26:02 -05:00
parent 72471ea31f
commit c54a879de9
1 changed files with 19 additions and 1 deletions
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20
source/tests/cpu/integer.cpp
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@ -11,6 +11,7 @@ static bool Add() {
unsigned int output = 0; unsigned int output = 0;
unsigned int rm = 0; unsigned int rm = 0;
unsigned int rn = 0; unsigned int rn = 0;
unsigned int badflags = 0;
// Generic addition // Generic addition
asm volatile ("LDR r0, =420\n" asm volatile ("LDR r0, =420\n"
@ -26,7 +27,24 @@ static bool Add() {
if (output != 0) if (output != 0)
return false; return false;
// TODO: ADC, ADCS, ADDW, and ADDS variants. // ADDS
badflags = 0;
rm = std::numeric_limits<unsigned int>::max() - 1;
rn = 1;
asm volatile ("ADDS %[Rm], %[Rm], %[Rn]\n"
"ORRCS %[out], %[out], #1\n"
"ORRPL %[out], %[out], #2\n"
"ORRVS %[out], %[out], #4\n"
"ORREQ %[out], %[out], #8\n"
"ADDS %[Rm], %[Rm], %[Rn]\n"
"ORRCC %[out], %[out], #1\n"
"ORRMI %[out], %[out], #2\n"
"ORRVS %[out], %[out], #4\n"
"ORRNE %[out], %[out], #8" : [out] "+r"(badflags), [Rm] "+r"(rm) : [Rn] "r"(rn));
if (badflags != 0)
return false;
// TODO: ADC, ADCS, ADDW variants.
return true; return true;
} }