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arm: Add test that was missing from old commit [PR91816]

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A while back I submitted GCC10 commit:

 44f77a6dea2f312ee1743f3dde465c1b8453ee13

for PR91816.

Turns out I was an idiot and forgot to include the test in the actual git commit.

Tested that the test still passes on a cross arm-none-eabi and also in a
Cortex A-15 bootstrap with no regressions.

gcc/testsuite/ChangeLog:
	PR target/91816
	* gcc.target/arm/pr91816.c: New test.
This commit is contained in:
Stam Markianos-Wright 2020-11-25 12:50:06 +00:00
parent a5ccfd0460
commit bc771e6c3a
1 changed files with 63 additions and 0 deletions
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63
gcc/testsuite/gcc.target/arm/pr91816.c Normal file
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/* { dg-do compile } */
/* { dg-require-effective-target arm_thumb2_ok } */
/* { dg-additional-options "-mthumb" } */
/* { dg-timeout-factor 4.0 } */
int printf(const char *, ...);
#define HW0 printf("Hello World!\n");
#define HW1 HW0 HW0 HW0 HW0 HW0 HW0 HW0 HW0 HW0 HW0
#define HW2 HW1 HW1 HW1 HW1 HW1 HW1 HW1 HW1 HW1 HW1
#define HW3 HW2 HW2 HW2 HW2 HW2 HW2 HW2 HW2 HW2 HW2
#define HW4 HW3 HW3 HW3 HW3 HW3 HW3 HW3 HW3 HW3 HW3
#define HW5 HW4 HW4 HW4 HW4 HW4 HW4 HW4 HW4 HW4 HW4
__attribute__((noinline,noclone)) void f1 (int a)
{
if (a) { HW0 }
}
__attribute__((noinline,noclone)) void f2 (int a)
{
if (a) { HW3 }
}
__attribute__((noinline,noclone)) void f3 (int a)
{
if (a) { HW5 }
}
__attribute__((noinline,noclone)) void f4 (int a)
{
if (a == 1) { HW0 }
}
__attribute__((noinline,noclone)) void f5 (int a)
{
if (a == 1) { HW3 }
}
__attribute__((noinline,noclone)) void f6 (int a)
{
if (a == 1) { HW5 }
}
int main(void)
{
f1(0);
f2(0);
f3(0);
f4(0);
f5(0);
f6(0);
return 0;
}
/* { dg-final { scan-assembler-times "beq\\t.L\[0-9\]" 2 } } */
/* { dg-final { scan-assembler-times "beq\\t.Lbcond\[0-9\]" 1 } } */
/* { dg-final { scan-assembler-times "bne\\t.L\[0-9\]" 2 } } */
/* { dg-final { scan-assembler-times "bne\\t.Lbcond\[0-9\]" 1 } } */