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Rollup of 6 pull requests #128195

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Jul 25, 2024
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Use Cow<'static, str> for InlineAsmTemplatePiece::String
  • Loading branch information
GnomedDev committed Jul 24, 2024
commit db8cdc5d37da5c0cf306fba51d07d6af10d69bd7
3 changes: 2 additions & 1 deletion compiler/rustc_ast/src/ast.rs
Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,7 @@ use rustc_macros::{Decodable, Encodable, HashStable_Generic};
use rustc_span::source_map::{respan, Spanned};
use rustc_span::symbol::{kw, sym, Ident, Symbol};
use rustc_span::{ErrorGuaranteed, Span, DUMMY_SP};
use std::borrow::Cow;
use std::cmp;
use std::fmt;
use std::mem;
Expand Down Expand Up @@ -2272,7 +2273,7 @@ impl std::fmt::Debug for InlineAsmOptions {

#[derive(Clone, PartialEq, Encodable, Decodable, Debug, Hash, HashStable_Generic)]
pub enum InlineAsmTemplatePiece {
String(String),
String(Cow<'static, str>),
Placeholder { operand_idx: usize, modifier: Option<char>, span: Span },
}

Expand Down
6 changes: 3 additions & 3 deletions compiler/rustc_builtin_macros/src/asm.rs
Original file line number Diff line number Diff line change
Expand Up @@ -459,7 +459,7 @@ fn expand_preparsed_asm(

for (i, template_expr) in args.templates.into_iter().enumerate() {
if i != 0 {
template.push(ast::InlineAsmTemplatePiece::String("\n".to_string()));
template.push(ast::InlineAsmTemplatePiece::String("\n".into()));
}

let msg = "asm template must be a string literal";
Expand Down Expand Up @@ -527,7 +527,7 @@ fn expand_preparsed_asm(

// Don't treat raw asm as a format string.
if args.options.contains(ast::InlineAsmOptions::RAW) {
template.push(ast::InlineAsmTemplatePiece::String(template_str.to_string()));
template.push(ast::InlineAsmTemplatePiece::String(template_str.to_string().into()));
let template_num_lines = 1 + template_str.matches('\n').count();
line_spans.extend(std::iter::repeat(template_sp).take(template_num_lines));
continue;
Expand Down Expand Up @@ -577,7 +577,7 @@ fn expand_preparsed_asm(
for piece in unverified_pieces {
match piece {
parse::Piece::String(s) => {
template.push(ast::InlineAsmTemplatePiece::String(s.to_string()))
template.push(ast::InlineAsmTemplatePiece::String(s.to_string().into()))
}
parse::Piece::NextArgument(arg) => {
let span = arg_spans.next().unwrap_or(template_sp);
Expand Down
4 changes: 1 addition & 3 deletions compiler/rustc_codegen_cranelift/src/inline_asm.rs
Original file line number Diff line number Diff line change
Expand Up @@ -46,9 +46,7 @@ pub(crate) fn codegen_inline_asm_terminator<'tcx>(
// Used by panic_abort on Windows, but uses a syntax which only happens to work with
// asm!() by accident and breaks with the GNU assembler as well as global_asm!() for
// the LLVM backend.
if template.len() == 1
&& template[0] == InlineAsmTemplatePiece::String("int $$0x29".to_string())
{
if template.len() == 1 && template[0] == InlineAsmTemplatePiece::String("int $$0x29".into()) {
fx.bcx.ins().trap(TrapCode::User(1));
return;
}
Expand Down
42 changes: 22 additions & 20 deletions compiler/rustc_codegen_cranelift/src/intrinsics/llvm_x86.rs
Original file line number Diff line number Diff line change
Expand Up @@ -40,7 +40,7 @@ pub(crate) fn codegen_x86_llvm_intrinsic_call<'tcx>(
shl rdx, 32
or rax, rdx
"
.to_string(),
.into(),
)],
&[
CInlineAsmOperand::In {
Expand Down Expand Up @@ -471,7 +471,7 @@ pub(crate) fn codegen_x86_llvm_intrinsic_call<'tcx>(
// into 0x80000000 for which Cranelift doesn't have a native instruction.
codegen_inline_asm_inner(
fx,
&[InlineAsmTemplatePiece::String(format!("cvtps2dq xmm0, xmm0"))],
&[InlineAsmTemplatePiece::String("cvtps2dq xmm0, xmm0".into())],
&[CInlineAsmOperand::InOut {
reg: InlineAsmRegOrRegClass::Reg(InlineAsmReg::X86(X86InlineAsmReg::xmm0)),
_late: true,
Expand Down Expand Up @@ -875,7 +875,7 @@ pub(crate) fn codegen_x86_llvm_intrinsic_call<'tcx>(

codegen_inline_asm_inner(
fx,
&[InlineAsmTemplatePiece::String(asm.to_string())],
&[InlineAsmTemplatePiece::String(asm.into())],
&[
CInlineAsmOperand::InOut {
reg: InlineAsmRegOrRegClass::Reg(InlineAsmReg::X86(X86InlineAsmReg::ax)),
Expand Down Expand Up @@ -914,7 +914,7 @@ pub(crate) fn codegen_x86_llvm_intrinsic_call<'tcx>(

codegen_inline_asm_inner(
fx,
&[InlineAsmTemplatePiece::String(format!("pcmpestri xmm0, xmm1, {imm8}"))],
&[InlineAsmTemplatePiece::String(format!("pcmpestri xmm0, xmm1, {imm8}").into())],
&[
CInlineAsmOperand::In {
reg: InlineAsmRegOrRegClass::Reg(InlineAsmReg::X86(X86InlineAsmReg::xmm0)),
Expand Down Expand Up @@ -967,7 +967,7 @@ pub(crate) fn codegen_x86_llvm_intrinsic_call<'tcx>(

codegen_inline_asm_inner(
fx,
&[InlineAsmTemplatePiece::String(format!("pcmpestrm xmm0, xmm1, {imm8}"))],
&[InlineAsmTemplatePiece::String(format!("pcmpestrm xmm0, xmm1, {imm8}").into())],
&[
CInlineAsmOperand::InOut {
reg: InlineAsmRegOrRegClass::Reg(InlineAsmReg::X86(X86InlineAsmReg::xmm0)),
Expand Down Expand Up @@ -1015,7 +1015,7 @@ pub(crate) fn codegen_x86_llvm_intrinsic_call<'tcx>(

codegen_inline_asm_inner(
fx,
&[InlineAsmTemplatePiece::String(format!("pclmulqdq xmm0, xmm1, {imm8}"))],
&[InlineAsmTemplatePiece::String(format!("pclmulqdq xmm0, xmm1, {imm8}").into())],
&[
CInlineAsmOperand::InOut {
reg: InlineAsmRegOrRegClass::Reg(InlineAsmReg::X86(X86InlineAsmReg::xmm0)),
Expand Down Expand Up @@ -1052,7 +1052,9 @@ pub(crate) fn codegen_x86_llvm_intrinsic_call<'tcx>(

codegen_inline_asm_inner(
fx,
&[InlineAsmTemplatePiece::String(format!("aeskeygenassist xmm0, xmm0, {imm8}"))],
&[InlineAsmTemplatePiece::String(
format!("aeskeygenassist xmm0, xmm0, {imm8}").into(),
)],
&[CInlineAsmOperand::InOut {
reg: InlineAsmRegOrRegClass::Reg(InlineAsmReg::X86(X86InlineAsmReg::xmm0)),
_late: true,
Expand All @@ -1071,7 +1073,7 @@ pub(crate) fn codegen_x86_llvm_intrinsic_call<'tcx>(

codegen_inline_asm_inner(
fx,
&[InlineAsmTemplatePiece::String("aesimc xmm0, xmm0".to_string())],
&[InlineAsmTemplatePiece::String("aesimc xmm0, xmm0".into())],
&[CInlineAsmOperand::InOut {
reg: InlineAsmRegOrRegClass::Reg(InlineAsmReg::X86(X86InlineAsmReg::xmm0)),
_late: true,
Expand All @@ -1091,7 +1093,7 @@ pub(crate) fn codegen_x86_llvm_intrinsic_call<'tcx>(

codegen_inline_asm_inner(
fx,
&[InlineAsmTemplatePiece::String("aesenc xmm0, xmm1".to_string())],
&[InlineAsmTemplatePiece::String("aesenc xmm0, xmm1".into())],
&[
CInlineAsmOperand::InOut {
reg: InlineAsmRegOrRegClass::Reg(InlineAsmReg::X86(X86InlineAsmReg::xmm0)),
Expand All @@ -1117,7 +1119,7 @@ pub(crate) fn codegen_x86_llvm_intrinsic_call<'tcx>(

codegen_inline_asm_inner(
fx,
&[InlineAsmTemplatePiece::String("aesenclast xmm0, xmm1".to_string())],
&[InlineAsmTemplatePiece::String("aesenclast xmm0, xmm1".into())],
&[
CInlineAsmOperand::InOut {
reg: InlineAsmRegOrRegClass::Reg(InlineAsmReg::X86(X86InlineAsmReg::xmm0)),
Expand All @@ -1143,7 +1145,7 @@ pub(crate) fn codegen_x86_llvm_intrinsic_call<'tcx>(

codegen_inline_asm_inner(
fx,
&[InlineAsmTemplatePiece::String("aesdec xmm0, xmm1".to_string())],
&[InlineAsmTemplatePiece::String("aesdec xmm0, xmm1".into())],
&[
CInlineAsmOperand::InOut {
reg: InlineAsmRegOrRegClass::Reg(InlineAsmReg::X86(X86InlineAsmReg::xmm0)),
Expand All @@ -1169,7 +1171,7 @@ pub(crate) fn codegen_x86_llvm_intrinsic_call<'tcx>(

codegen_inline_asm_inner(
fx,
&[InlineAsmTemplatePiece::String("aesdeclast xmm0, xmm1".to_string())],
&[InlineAsmTemplatePiece::String("aesdeclast xmm0, xmm1".into())],
&[
CInlineAsmOperand::InOut {
reg: InlineAsmRegOrRegClass::Reg(InlineAsmReg::X86(X86InlineAsmReg::xmm0)),
Expand Down Expand Up @@ -1207,7 +1209,7 @@ pub(crate) fn codegen_x86_llvm_intrinsic_call<'tcx>(

codegen_inline_asm_inner(
fx,
&[InlineAsmTemplatePiece::String(format!("sha1rnds4 xmm1, xmm2, {func}"))],
&[InlineAsmTemplatePiece::String(format!("sha1rnds4 xmm1, xmm2, {func}").into())],
&[
CInlineAsmOperand::InOut {
reg: InlineAsmRegOrRegClass::Reg(InlineAsmReg::X86(X86InlineAsmReg::xmm1)),
Expand All @@ -1233,7 +1235,7 @@ pub(crate) fn codegen_x86_llvm_intrinsic_call<'tcx>(

codegen_inline_asm_inner(
fx,
&[InlineAsmTemplatePiece::String("sha1msg1 xmm1, xmm2".to_string())],
&[InlineAsmTemplatePiece::String("sha1msg1 xmm1, xmm2".into())],
&[
CInlineAsmOperand::InOut {
reg: InlineAsmRegOrRegClass::Reg(InlineAsmReg::X86(X86InlineAsmReg::xmm1)),
Expand All @@ -1259,7 +1261,7 @@ pub(crate) fn codegen_x86_llvm_intrinsic_call<'tcx>(

codegen_inline_asm_inner(
fx,
&[InlineAsmTemplatePiece::String("sha1msg2 xmm1, xmm2".to_string())],
&[InlineAsmTemplatePiece::String("sha1msg2 xmm1, xmm2".into())],
&[
CInlineAsmOperand::InOut {
reg: InlineAsmRegOrRegClass::Reg(InlineAsmReg::X86(X86InlineAsmReg::xmm1)),
Expand All @@ -1285,7 +1287,7 @@ pub(crate) fn codegen_x86_llvm_intrinsic_call<'tcx>(

codegen_inline_asm_inner(
fx,
&[InlineAsmTemplatePiece::String("sha1nexte xmm1, xmm2".to_string())],
&[InlineAsmTemplatePiece::String("sha1nexte xmm1, xmm2".into())],
&[
CInlineAsmOperand::InOut {
reg: InlineAsmRegOrRegClass::Reg(InlineAsmReg::X86(X86InlineAsmReg::xmm1)),
Expand All @@ -1312,7 +1314,7 @@ pub(crate) fn codegen_x86_llvm_intrinsic_call<'tcx>(

codegen_inline_asm_inner(
fx,
&[InlineAsmTemplatePiece::String("sha256rnds2 xmm1, xmm2".to_string())],
&[InlineAsmTemplatePiece::String("sha256rnds2 xmm1, xmm2".into())],
&[
CInlineAsmOperand::InOut {
reg: InlineAsmRegOrRegClass::Reg(InlineAsmReg::X86(X86InlineAsmReg::xmm1)),
Expand Down Expand Up @@ -1343,7 +1345,7 @@ pub(crate) fn codegen_x86_llvm_intrinsic_call<'tcx>(

codegen_inline_asm_inner(
fx,
&[InlineAsmTemplatePiece::String("sha256msg1 xmm1, xmm2".to_string())],
&[InlineAsmTemplatePiece::String("sha256msg1 xmm1, xmm2".into())],
&[
CInlineAsmOperand::InOut {
reg: InlineAsmRegOrRegClass::Reg(InlineAsmReg::X86(X86InlineAsmReg::xmm1)),
Expand All @@ -1369,7 +1371,7 @@ pub(crate) fn codegen_x86_llvm_intrinsic_call<'tcx>(

codegen_inline_asm_inner(
fx,
&[InlineAsmTemplatePiece::String("sha256msg2 xmm1, xmm2".to_string())],
&[InlineAsmTemplatePiece::String("sha256msg2 xmm1, xmm2".into())],
&[
CInlineAsmOperand::InOut {
reg: InlineAsmRegOrRegClass::Reg(InlineAsmReg::X86(X86InlineAsmReg::xmm1)),
Expand Down Expand Up @@ -1435,7 +1437,7 @@ pub(crate) fn codegen_x86_llvm_intrinsic_call<'tcx>(
let edx_place = res_place.place_field(fx, FieldIdx::new(1));
codegen_inline_asm_inner(
fx,
&[InlineAsmTemplatePiece::String("rdtsc".to_string())],
&[InlineAsmTemplatePiece::String("rdtsc".into())],
&[
CInlineAsmOperand::Out {
reg: InlineAsmRegOrRegClass::Reg(InlineAsmReg::X86(X86InlineAsmReg::ax)),
Expand Down
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