---
src/compiler/nir/nir_algebraic.py | 50 +++++++++++++++++++++++++++++++++++++++
1 file changed, 50 insertions(+)
diff --git a/src/compiler/nir/nir_algebraic.py
b/src/compiler/nir/nir_algebraic.py
index 9b89828..0d1ed3a 100644
--- a/src/compiler/nir/nir_algebraic.py
+++ b/src/compiler/nir/nir_algebraic.py
@@ -131,6 +131,16 @@ class Constant(Value):
assert self.bit_size == 0 or self.bit_size == 32
self.bit_size = 32
+ def __hash__(self):
+ return hash(self.value) ^ self.bit_size * 37;
+
+ def __eq__(self, other):
+ if not isinstance(other, Constant):
+ return False
+
+ return type(self.value) is type(other.value) and \
+ self.value == other.value and self.bit_size == other.bit_size
+
def __hex__(self):
if isinstance(self.value, (bool)):
return 'NIR_TRUE' if self.value else 'NIR_FALSE'
@@ -173,6 +183,22 @@ class Variable(Value):
self.index = varset[self.var_name]
+ def __hash__(self):
+ h = 1893 + self.index
+ if self.is_constant:
+ h = ~h
+ h = h * 37 ^ hash(self.required_type)
+ return h * 37 ^ self.bit_size
+
+ def __eq__(self, other):
+ if not isinstance(other, Variable):
+ return False
+
+ return self.index == other.index \
+ and self.is_constant == other.is_constant \
+ and self.required_type == other.required_type \
+ and self.bit_size == other.bit_size
+
def type(self):
if self.required_type == 'bool':
return "nir_type_bool32"
@@ -197,6 +223,30 @@ class Expression(Value):
self.sources = [ Value.create(src, "{0}_{1}".format(name_base, i),
varset)
for (i, src) in enumerate(expr[1:]) ]
+ def __hash__(self):
+ h = hash(self.opcode)
+ h = h * 37 ^ self.bit_size
+ if self.inexact:
+ h = ~h
+ for src in self.sources:
+ h = h * 37 ^ hash(src)
+ return h
+
+ def __eq__(self, other):
+ if not isinstance(other, Expression):
+ return False
+
+ if self.opcode != other.opcode:
+ return False
+
+ assert len(self.sources) == len(other.sources)
+ for a, b in zip(self.sources, other.sources):
+ if a != b:
+ return False
+
+ return self.inexact == other.inexact \
+ and self.bit_size == other.bit_size
+
def render(self):
srcs = "\n".join(src.render() for src in self.sources)
return srcs + super(Expression, self).render()
--
2.5.0.400.gff86faf
_______________________________________________
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev
