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added Opcode flags methods

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generate `is_branch`, `is_terminator`, `can_trap` methods for `enum
Opcode`.
This commit is contained in:
Dominik Inführ
2016-12-01 00:11:06 +01:00
committed by Jakob Stoklund Olesen
parent 19ac05577c
commit 93aa2b456e
3 changed files with 30 additions and 10 deletions
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20
lib/cretonne/meta/base/instructions.py
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@@ -83,7 +83,7 @@ trap = Instruction(
'trap', r"""
Terminate execution unconditionally.
""",
is_terminator=True)
is_terminator=True, can_trap=True)
trapz = Instruction(
'trapz', r"""
@@ -91,7 +91,7 @@ trapz = Instruction(
if ``c`` is non-zero, execution continues at the following instruction.
""",
ins=c)
ins=c, can_trap=True)
trapnz = Instruction(
'trapnz', r"""
@@ -99,7 +99,7 @@ trapnz = Instruction(
if ``c`` is zero, execution continues at the following instruction.
""",
ins=c)
ins=c, can_trap=True)
rvals = Operand('rvals', VARIABLE_ARGS, doc='return values')
@@ -111,7 +111,7 @@ x_return = Instruction(
provided return values. The list of return values must match the
function signature's return types.
""",
ins=rvals)
ins=rvals, is_terminator=True)
FN = Operand(
'FN',
@@ -366,7 +366,7 @@ udiv = Instruction(
This operation traps if the divisor is zero.
""",
ins=(x, y), outs=a)
ins=(x, y), outs=a, can_trap=True)
sdiv = Instruction(
'sdiv', r"""
@@ -377,7 +377,7 @@ sdiv = Instruction(
representable in :math:`B` bits two's complement. This only happens
when :math:`x = -2^{B-1}, y = -1`.
""",
ins=(x, y), outs=a)
ins=(x, y), outs=a, can_trap=True)
urem = Instruction(
'urem', """
@@ -385,7 +385,7 @@ urem = Instruction(
This operation traps if the divisor is zero.
""",
ins=(x, y), outs=a)
ins=(x, y), outs=a, can_trap=True)
srem = Instruction(
'srem', """
@@ -399,7 +399,7 @@ srem = Instruction(
dividend. Should we add a ``smod`` instruction for the case where
the result has the same sign as the divisor?
""",
ins=(x, y), outs=a)
ins=(x, y), outs=a, can_trap=True)
a = Operand('a', iB)
x = Operand('x', iB)
@@ -1136,7 +1136,7 @@ fcvt_to_uint = Instruction(
The result type must have the same number of vector lanes as the input.
""",
ins=x, outs=a)
ins=x, outs=a, can_trap=True)
fcvt_to_sint = Instruction(
'fcvt_to_sint', r"""
@@ -1148,7 +1148,7 @@ fcvt_to_sint = Instruction(
The result type must have the same number of vector lanes as the input.
""",
ins=x, outs=a)
ins=x, outs=a, can_trap=True)
x = Operand('x', Int)
a = Operand('a', FloatTo)