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x64: Lower fcvt_to_{u,s}int{,_sat} in ISLE (#4704)

Browse Source 
https://github.com/bytecodealliance/wasmtime/pull/4704
This commit is contained in:
Trevor Elliott
2022-08-16 09:03:50 -07:00
committed by GitHub
parent 2ce03cce08
commit 3c1490dd59
6 changed files with 446 additions and 281 deletions
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66
cranelift/codegen/src/isa/x64/inst/mod.rs
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@@ -408,58 +408,6 @@ impl Inst {
Inst::XmmCmpRmR { op, src, dst }
}
pub(crate) fn cvt_float_to_sint_seq(
src_size: OperandSize,
dst_size: OperandSize,
is_saturating: bool,
src: Writable<Reg>,
dst: Writable<Reg>,
tmp_gpr: Writable<Reg>,
tmp_xmm: Writable<Reg>,
) -> Inst {
debug_assert!(src_size.is_one_of(&[OperandSize::Size32, OperandSize::Size64]));
debug_assert!(dst_size.is_one_of(&[OperandSize::Size32, OperandSize::Size64]));
debug_assert!(src.to_reg().class() == RegClass::Float);
debug_assert!(tmp_xmm.to_reg().class() == RegClass::Float);
debug_assert!(tmp_gpr.to_reg().class() == RegClass::Int);
debug_assert!(dst.to_reg().class() == RegClass::Int);
Inst::CvtFloatToSintSeq {
src_size,
dst_size,
is_saturating,
src: WritableXmm::from_writable_reg(src).unwrap(),
dst: WritableGpr::from_writable_reg(dst).unwrap(),
tmp_gpr: WritableGpr::from_writable_reg(tmp_gpr).unwrap(),
tmp_xmm: WritableXmm::from_writable_reg(tmp_xmm).unwrap(),
}
}
pub(crate) fn cvt_float_to_uint_seq(
src_size: OperandSize,
dst_size: OperandSize,
is_saturating: bool,
src: Writable<Reg>,
dst: Writable<Reg>,
tmp_gpr: Writable<Reg>,
tmp_xmm: Writable<Reg>,
) -> Inst {
debug_assert!(src_size.is_one_of(&[OperandSize::Size32, OperandSize::Size64]));
debug_assert!(dst_size.is_one_of(&[OperandSize::Size32, OperandSize::Size64]));
debug_assert!(src.to_reg().class() == RegClass::Float);
debug_assert!(tmp_xmm.to_reg().class() == RegClass::Float);
debug_assert!(tmp_gpr.to_reg().class() == RegClass::Int);
debug_assert!(dst.to_reg().class() == RegClass::Int);
Inst::CvtFloatToUintSeq {
src_size,
dst_size,
is_saturating,
src: WritableXmm::from_writable_reg(src).unwrap(),
dst: WritableGpr::from_writable_reg(dst).unwrap(),
tmp_gpr: WritableGpr::from_writable_reg(tmp_gpr).unwrap(),
tmp_xmm: WritableXmm::from_writable_reg(tmp_xmm).unwrap(),
}
}
#[allow(dead_code)]
pub(crate) fn xmm_min_max_seq(
size: OperandSize,
@@ -1257,7 +1205,7 @@ impl PrettyPrint for Inst {
dst_size,
tmp_xmm,
tmp_gpr,
..
is_saturating,
} => {
let src = pretty_print_reg(src.to_reg().to_reg(), src_size.to_bytes(), allocs);
let dst = pretty_print_reg(dst.to_reg().to_reg(), dst_size.to_bytes(), allocs);
@@ -1266,9 +1214,10 @@ impl PrettyPrint for Inst {
format!(
"{} {}, {}, {}, {}",
ljustify(format!(
"cvt_float{}_to_sint{}_seq",
"cvt_float{}_to_sint{}{}_seq",
src_size.to_bits(),
dst_size.to_bits()
dst_size.to_bits(),
if *is_saturating { "_sat" } else { "" },
)),
src,
dst,
@@ -1284,7 +1233,7 @@ impl PrettyPrint for Inst {
dst_size,
tmp_gpr,
tmp_xmm,
..
is_saturating,
} => {
let src = pretty_print_reg(src.to_reg().to_reg(), src_size.to_bytes(), allocs);
let dst = pretty_print_reg(dst.to_reg().to_reg(), dst_size.to_bytes(), allocs);
@@ -1293,9 +1242,10 @@ impl PrettyPrint for Inst {
format!(
"{} {}, {}, {}, {}",
ljustify(format!(
"cvt_float{}_to_uint{}_seq",
"cvt_float{}_to_uint{}{}_seq",
src_size.to_bits(),
dst_size.to_bits()
dst_size.to_bits(),
if *is_saturating { "_sat" } else { "" },
)),
src,
dst,