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aco/tests: add vop3p constant combine tests 

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16296>
This commit is contained in:
Rhys Perry 2022-05-02 18:21:56 +01:00 committed by Marge Bot
parent 84b404d34d
commit d55c4180d5
1 changed files with 115 additions and 0 deletions
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115
src/amd/compiler/tests/test_optimizer.cpp
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@ -1664,3 +1664,118 @@ BEGIN_TEST(optimize.mad_mix.cast)
}
END_TEST
static void vop3p_constant(unsigned *idx, aco_opcode op, const char *swizzle, uint32_t val)
{
uint32_t halves[2] = {val & 0xffff, val >> 16};
uint32_t expected = halves[swizzle[0] - 'x'] | (halves[swizzle[1] - 'x'] << 16);
fprintf(output, "Expected for %u: 0x%.8x / %u\n", *idx, expected, expected);
unsigned opsel_lo = swizzle[0] == 'x' ? 0x0 : 0x1;
unsigned opsel_hi = swizzle[1] == 'x' ? 0x2 : 0x3;
writeout((*idx)++, bld.vop3p(op, bld.def(v1), bld.copy(bld.def(v1), Operand::c32(val)),
inputs[0], opsel_lo, opsel_hi));
}
BEGIN_TEST(optimize.vop3p_constants)
for (aco_opcode op : {aco_opcode::v_pk_add_f16, aco_opcode::v_pk_add_u16}) {
for (const char *swizzle : {"xx", "yy", "xy", "yx"}) {
char variant[16];
strcpy(variant, op == aco_opcode::v_pk_add_f16 ? "_f16" : "_u16");
strcat(variant, "_");
strcat(variant, swizzle);
//; for i in range(36):
//; insert_pattern('Expected for %u: $_ / #expected%u' % (i, i))
//>> v1: %a = p_startpgm
if (!setup_cs("v1", GFX10_3, CHIP_UNKNOWN, variant))
continue;
//; opcode = 'v_pk_add_u16' if 'u16' in variant else 'v_pk_add_f16'
//; for i in range(36):
//; insert_pattern('v1: %%res%u = %s $got%u %%a' % (i, opcode, i))
//; insert_pattern('p_unit_test %u, %%res%u' % (i, i))
//! s_endpgm
//; def parse_op(op):
//; is_int = opcode == 'v_pk_add_u16'
//; op = op.rstrip(',')
//;
//; mods = lambda v: v
//; if op.endswith('*[1,-1]'):
//; mods = lambda v: v ^ 0x80000000
//; assert(not is_int)
//; elif op.endswith('*[-1,1]'):
//; mods = lambda v: v ^ 0x00008000
//; assert(not is_int)
//; op = op.split('*')[0]
//;
//; swizzle = lambda v: v
//; if op.endswith('.xx'):
//; swizzle = lambda v: ((v & 0xffff) | (v << 16)) & 0xffffffff;
//; elif op.endswith('.yy'):
//; swizzle = lambda v: (v >> 16) | (v & 0xffff0000);
//; elif op.endswith('.yx'):
//; swizzle = lambda v: ((v >> 16) | (v << 16)) & 0xffffffff;
//; op = op.rstrip('xy.')
//;
//; val = None
//; if op.startswith('0x'):
//; val = int(op[2:], 16)
//; elif op == '-1.0':
//; val = 0xbf800000 if is_int else 0xbC00
//; elif op == '1.0':
//; val = 0x3f800000 if is_int else 0x3c00
//; else:
//; val = int(op) & 0xffffffff
//;
//; return mods(swizzle(val))
//; # Check correctness
//; for i in range(36):
//; expected = globals()['expected%u' % i]
//; got = globals()['got%u' % i]
//; got_parsed = parse_op(got)
//; if got_parsed != expected:
//; raise Exception('Check %u failed: expected 0x%.8x, got 0x%.8x ("%s")' % (i, expected, got_parsed, got))
//; # Check that all literals are ones that cannot be encoded as inline constants
//; allowed_literals = [0x00004242, 0x0000fffe, 0x00308030, 0x0030ffff, 0x3c00ffff,
//; 0x42420000, 0x42424242, 0x4242c242, 0x4242ffff, 0x7ffefffe,
//; 0x80300030, 0xbeefdead, 0xc2424242, 0xdeadbeef, 0xfffe0000,
//; 0xfffe7ffe, 0xffff0030, 0xffff3c00, 0xffff4242]
//; if opcode == 'v_pk_add_u16':
//; allowed_literals.extend([0x00003c00, 0x3c000000, 0x3c003c00, 0x3c00bc00, 0xbc003c00])
//; else:
//; allowed_literals.extend([0x00003f80, 0x3f800000])
//;
//; for i in range(36):
//; got = globals()['got%u' % i]
//; if not got.startswith('0x'):
//; continue;
//; got = int(got[2:].rstrip(',').split('*')[0].split('.')[0], 16)
//; if got not in allowed_literals:
//; raise Exception('Literal check %u failed: 0x%.8x not in allowed literals' % (i, got))
unsigned idx = 0;
for (uint32_t constant : {0x3C00, 0x0030, 0xfffe, 0x4242}) {
vop3p_constant(&idx, op, swizzle, constant);
vop3p_constant(&idx, op, swizzle, constant | 0xffff0000);
vop3p_constant(&idx, op, swizzle, constant | (constant << 16));
vop3p_constant(&idx, op, swizzle, constant << 16);
vop3p_constant(&idx, op, swizzle, (constant << 16) | 0x0000ffff);
vop3p_constant(&idx, op, swizzle, constant | ((constant ^ 0x8000) << 16));
vop3p_constant(&idx, op, swizzle, (constant ^ 0x8000) | (constant << 16));
}
for (uint32_t constant : {0x3f800000u, 0xfffffffeu, 0x00000030u, 0xdeadbeefu}) {
uint32_t lo = constant & 0xffff;
uint32_t hi = constant >> 16;
vop3p_constant(&idx, op, swizzle, constant);
vop3p_constant(&idx, op, swizzle, hi | (lo << 16));
}
finish_opt_test();
}
}
END_TEST