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bpf testsuite: add tests for new feature options

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This commit adds tests for the new -mjmpext, -mjmp32 and -malu32 feature
options in the BPF backend.

gcc/testsuite/ChangeLog:
	* gcc.target/bpf/alu-1.c: New test.
	* gcc.target/bpf/jmp-1.c: New test.
This commit is contained in:
David Faust 2021-09-08 10:28:59 -07:00
parent 5b2ab1d35e
commit ae1cce71fa
2 changed files with 113 additions and 0 deletions
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56
gcc/testsuite/gcc.target/bpf/alu-1.c Normal file
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/* Ensure 32-bit ALU instructions are not generated if -malu32 is
not enabled. */
/* { dg-do compile } */
/* { dg-options "-mno-alu32" } */
int foo (int a, int b)
{
a += 1;
b += a;
b -= 5;
a -= a;
a *= 2;
b *= a;
a |= 0xfafa;
b |= a;
b &= 0x00ffff00;
b &= a;
a <<= 2;
b <<= a;
b >>= 5;
a >>= b;
int c = a;
int d = 5;
d ^= a;
c ^= 0xe5e5e5e5;
c = -c;
unsigned int x = a;
unsigned int y = b;
x /= 3;
y /= x;
x %= 4;
y %= x;
return a + b - c + d - x + y;
}
/* { dg-final { scan-assembler-times "mov32\t0" 0 } } */
/* { dg-final { scan-assembler-times "add32\t0" 0 } } */
/* { dg-final { scan-assembler-times "sub32\t0" 0 } } */
/* { dg-final { scan-assembler-times "mul32\t0" 0 } } */
/* { dg-final { scan-assembler-times "div32\t0" 0 } } */
/* { dg-final { scan-assembler-times "mod32\t0" 0 } } */
/* { dg-final { scan-assembler-times "neg32\t0" 0 } } */
/* { dg-final { scan-assembler-times "and32\t0" 0 } } */
/* { dg-final { scan-assembler-times "or32\t0" 0 } } */
/* { dg-final { scan-assembler-times "xor32\t0" 0 } } */
/* { dg-final { scan-assembler-times "rsh32\t0" 0 } } */
/* { dg-final { scan-assembler-times "lsh32\t0" 0 } } */
/* { dg-final { scan-assembler-times "arsh32\t0" 0 } } */

57
gcc/testsuite/gcc.target/bpf/jmp-1.c Normal file
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/* Ensure jlt, jslt, jle and jsle instructions are not generated if
-mjmpext is not enabled, and no 32-bit jump instructions are generated
if -mjmp32 is not enabled. */
/* { dg-do compile } */
/* { dg-options "-mno-jmpext -mno-jmp32" } */
int foo (int a, int b)
{
if (a == 1)
b += 1;
if (a != 3)
b += 2;
if (a > 5)
b += 3;
if (a >= 7)
b += 4;
if (a < 9)
b += 5;
if (a <= 10)
b += 6;
return a + b;
}
unsigned int bar (unsigned int a, unsigned int b)
{
if (a == 1)
b += 1;
if (a != 3)
b += 2;
if (a > 5)
b += 3;
if (a >= 7)
b += 4;
if (a < 9)
b += 5;
if (a <= 10)
b += 6;
return a + b;
}
/* { dg-final { scan-assembler-times "jlt\t0" 0 } } */
/* { dg-final { scan-assembler-times "jslt\t0" 0 } } */
/* { dg-final { scan-assembler-times "jle\t0" 0 } } */
/* { dg-final { scan-assembler-times "jsle\t0" 0 } } */
/* { dg-final { scan-assembler-times "jeq32\t0" 0 } } */
/* { dg-final { scan-assembler-times "jne32\t0" 0 } } */
/* { dg-final { scan-assembler-times "jlt32\t0" 0 } } */
/* { dg-final { scan-assembler-times "jgt32\t0" 0 } } */
/* { dg-final { scan-assembler-times "jle32\t0" 0 } } */
/* { dg-final { scan-assembler-times "jge32\t0" 0 } } */
/* { dg-final { scan-assembler-times "jslt32\t0" 0 } } */
/* { dg-final { scan-assembler-times "jsgt32\t0" 0 } } */
/* { dg-final { scan-assembler-times "jsle32\t0" 0 } } */
/* { dg-final { scan-assembler-times "jsge32\t0" 0 } } */