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Migrate clz, ctz, popcnt, bitrev, is_null, is_invalid on x64 to ISLE. (#3848)

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This commit is contained in:
Chris Fallin
2022-02-28 09:45:13 -08:00
committed by GitHub
parent 2a6969d2bd
commit 24f145cd1e
19 changed files with 2812 additions and 1990 deletions
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60
cranelift/codegen/src/isa/x64/inst/emit.rs
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@@ -1104,33 +1104,6 @@ pub(crate) fn emit(
}
}
Inst::CmoveOr {
size,
cc1,
cc2,
consequent,
alternative,
dst,
} => {
let first_cmove = Inst::Cmove {
cc: *cc1,
size: *size,
consequent: consequent.clone(),
alternative: alternative.clone(),
dst: dst.clone(),
};
first_cmove.emit(sink, info, state);
let second_cmove = Inst::Cmove {
cc: *cc2,
size: *size,
consequent: consequent.clone(),
alternative: alternative.clone(),
dst: dst.clone(),
};
second_cmove.emit(sink, info, state);
}
Inst::XmmCmove {
size,
cc,
@@ -1159,39 +1132,6 @@ pub(crate) fn emit(
sink.bind_label(next);
}
Inst::XmmCmoveOr {
size,
cc1,
cc2,
consequent,
alternative,
dst,
} => {
debug_assert_eq!(*alternative, dst.to_reg());
let op = if *size == OperandSize::Size64 {
SseOpcode::Movsd
} else {
SseOpcode::Movss
};
let second_test = sink.get_label();
let next_instruction = sink.get_label();
// Jump to second test if `cc1` is *not* set.
one_way_jmp(sink, cc1.invert(), next_instruction);
let inst =
Inst::xmm_unary_rm_r(op, consequent.clone().to_reg_mem(), dst.to_writable_reg());
inst.emit(sink, info, state);
sink.bind_label(second_test);
// Jump to next instruction if `cc2` is *not* set.
one_way_jmp(sink, cc2.invert(), next_instruction);
let inst =
Inst::xmm_unary_rm_r(op, consequent.clone().to_reg_mem(), dst.to_writable_reg());
inst.emit(sink, info, state);
sink.bind_label(next_instruction);
}
Inst::Push64 { src } => {
if info.flags.enable_probestack() {
sink.add_trap(state.cur_srcloc(), TrapCode::StackOverflow);