Bug 1661723; Bump Cranelift to a7f7c23bf9c37c642da962d575b7c99007918872; r=lth

Differential Revision: https://phabricator.services.mozilla.com/D88784

.cargo/config.in

@@ -60,7 +60,7 @@ rev = "3224e2dee65c0726c448484d4c3c43956b9330ec"
 [source."https://github.com/bytecodealliance/wasmtime"]
 git = "https://github.com/bytecodealliance/wasmtime"
 replace-with = "vendored-sources"
-rev = "7c856542854bc8c5da9d5fb1a0b41f3c660d8484"
+rev = "a7f7c23bf9c37c642da962d575b7c99007918872"
 
 [source."https://github.com/badboy/failure"]
 git = "https://github.com/badboy/failure"

Cargo.lock

@@ -769,7 +769,7 @@ dependencies = [
 [[package]]
 name = "cranelift-bforest"
 version = "0.66.0"
-source = "git+https://github.com/bytecodealliance/wasmtime?rev=7c856542854bc8c5da9d5fb1a0b41f3c660d8484#7c856542854bc8c5da9d5fb1a0b41f3c660d8484"
+source = "git+https://github.com/bytecodealliance/wasmtime?rev=a7f7c23bf9c37c642da962d575b7c99007918872#a7f7c23bf9c37c642da962d575b7c99007918872"
 dependencies = [
  "cranelift-entity 0.66.0",
 ]
@@ -777,7 +777,7 @@ dependencies = [
 [[package]]
 name = "cranelift-codegen"
 version = "0.66.0"
-source = "git+https://github.com/bytecodealliance/wasmtime?rev=7c856542854bc8c5da9d5fb1a0b41f3c660d8484#7c856542854bc8c5da9d5fb1a0b41f3c660d8484"
+source = "git+https://github.com/bytecodealliance/wasmtime?rev=a7f7c23bf9c37c642da962d575b7c99007918872#a7f7c23bf9c37c642da962d575b7c99007918872"
 dependencies = [
  "byteorder",
  "cranelift-bforest",
@@ -794,7 +794,7 @@ dependencies = [
 [[package]]
 name = "cranelift-codegen-meta"
 version = "0.66.0"
-source = "git+https://github.com/bytecodealliance/wasmtime?rev=7c856542854bc8c5da9d5fb1a0b41f3c660d8484#7c856542854bc8c5da9d5fb1a0b41f3c660d8484"
+source = "git+https://github.com/bytecodealliance/wasmtime?rev=a7f7c23bf9c37c642da962d575b7c99007918872#a7f7c23bf9c37c642da962d575b7c99007918872"
 dependencies = [
  "cranelift-codegen-shared",
  "cranelift-entity 0.66.0",
@@ -803,7 +803,7 @@ dependencies = [
 [[package]]
 name = "cranelift-codegen-shared"
 version = "0.66.0"
-source = "git+https://github.com/bytecodealliance/wasmtime?rev=7c856542854bc8c5da9d5fb1a0b41f3c660d8484#7c856542854bc8c5da9d5fb1a0b41f3c660d8484"
+source = "git+https://github.com/bytecodealliance/wasmtime?rev=a7f7c23bf9c37c642da962d575b7c99007918872#a7f7c23bf9c37c642da962d575b7c99007918872"
 
 [[package]]
 name = "cranelift-entity"
@@ -813,12 +813,12 @@ source = "git+https://github.com/PLSysSec/lucet_sandbox_compiler?rev=477d8fc53a6
 [[package]]
 name = "cranelift-entity"
 version = "0.66.0"
-source = "git+https://github.com/bytecodealliance/wasmtime?rev=7c856542854bc8c5da9d5fb1a0b41f3c660d8484#7c856542854bc8c5da9d5fb1a0b41f3c660d8484"
+source = "git+https://github.com/bytecodealliance/wasmtime?rev=a7f7c23bf9c37c642da962d575b7c99007918872#a7f7c23bf9c37c642da962d575b7c99007918872"
 
 [[package]]
 name = "cranelift-frontend"
 version = "0.66.0"
-source = "git+https://github.com/bytecodealliance/wasmtime?rev=7c856542854bc8c5da9d5fb1a0b41f3c660d8484#7c856542854bc8c5da9d5fb1a0b41f3c660d8484"
+source = "git+https://github.com/bytecodealliance/wasmtime?rev=a7f7c23bf9c37c642da962d575b7c99007918872#a7f7c23bf9c37c642da962d575b7c99007918872"
 dependencies = [
  "cranelift-codegen",
  "log",
@@ -829,7 +829,7 @@ dependencies = [
 [[package]]
 name = "cranelift-wasm"
 version = "0.66.0"
-source = "git+https://github.com/bytecodealliance/wasmtime?rev=7c856542854bc8c5da9d5fb1a0b41f3c660d8484#7c856542854bc8c5da9d5fb1a0b41f3c660d8484"
+source = "git+https://github.com/bytecodealliance/wasmtime?rev=a7f7c23bf9c37c642da962d575b7c99007918872#a7f7c23bf9c37c642da962d575b7c99007918872"
 dependencies = [
  "cranelift-codegen",
  "cranelift-entity 0.66.0",

Cargo.toml

@@ -75,8 +75,8 @@ failure_derive = { git = "https://github.com/badboy/failure", rev = "64af847bc5f
 
 [patch.crates-io.cranelift-codegen]
 git = "https://github.com/bytecodealliance/wasmtime"
-rev = "7c856542854bc8c5da9d5fb1a0b41f3c660d8484"
+rev = "a7f7c23bf9c37c642da962d575b7c99007918872"
 
 [patch.crates-io.cranelift-wasm]
 git = "https://github.com/bytecodealliance/wasmtime"
-rev = "7c856542854bc8c5da9d5fb1a0b41f3c660d8484"
+rev = "a7f7c23bf9c37c642da962d575b7c99007918872"

third_party/rust/cranelift-codegen/src/isa/aarch64/abi.rs

@@ -124,10 +124,18 @@ impl ABIMachineImpl for AArch64MachineImpl {
         let mut next_stack: u64 = 0;
         let mut ret = vec![];
 
-        let max_reg_vals = match (args_or_rets, is_baldrdash) {
-            (ArgsOrRets::Args, _) => 8,     // x0-x7, v0-v7
-            (ArgsOrRets::Rets, false) => 8, // x0-x7, v0-v7
-            (ArgsOrRets::Rets, true) => 1,  // x0 or v0
+        // Note on return values: on the regular non-baldrdash ABI, we may return values in 8
+        // registers for V128 and I64 registers independently of the number of register values
+        // returned in the other class. That is, we can return values in up to 8 integer and 8
+        // vector registers at once.
+        // In Baldrdash, we can only use one register for return value for all the register
+        // classes. That is, we can't return values in both one integer and one vector register;
+        // only one return value may be in a register.
+
+        let (max_per_class_reg_vals, mut remaining_reg_vals) = match (args_or_rets, is_baldrdash) {
+            (ArgsOrRets::Args, _) => (8, 16),     // x0-x7 and v0-v7
+            (ArgsOrRets::Rets, false) => (8, 16), // x0-x7 and v0-v7
+            (ArgsOrRets::Rets, true) => (1, 1),   // x0 or v0, but not both
         };
 
         for i in 0..params.len() {
@@ -167,7 +175,7 @@ impl ABIMachineImpl for AArch64MachineImpl {
             if let Some(param) = try_fill_baldrdash_reg(call_conv, param) {
                 assert!(rc == RegClass::I64);
                 ret.push(param);
-            } else if *next_reg < max_reg_vals {
+            } else if *next_reg < max_per_class_reg_vals && remaining_reg_vals > 0 {
                 let reg = match rc {
                     RegClass::I64 => xreg(*next_reg),
                     RegClass::V128 => vreg(*next_reg),
@@ -179,6 +187,7 @@ impl ABIMachineImpl for AArch64MachineImpl {
                     param.extension,
                 ));
                 *next_reg += 1;
+                remaining_reg_vals -= 1;
             } else {
                 // Compute size. Every arg takes a minimum slot of 8 bytes. (16-byte
                 // stack alignment happens separately after all args.)
@@ -202,7 +211,7 @@ impl ABIMachineImpl for AArch64MachineImpl {
 
         let extra_arg = if add_ret_area_ptr {
             debug_assert!(args_or_rets == ArgsOrRets::Args);
-            if next_xreg < max_reg_vals {
+            if next_xreg < max_per_class_reg_vals && remaining_reg_vals > 0 {
                 ret.push(ABIArg::Reg(
                     xreg(next_xreg).to_real_reg(),
                     I64,

third_party/rust/cranelift-codegen/src/isa/x64/lower.rs

@@ -621,7 +621,7 @@ fn lower_insn_to_regs<C: LowerCtx<I = Inst>>(
 
             let lhs = input_to_reg(ctx, inputs[0]);
 
-            let (count, rhs) = if let Some(cst) = ctx.get_constant(inputs[1].insn) {
+            let (count, rhs) = if let Some(cst) = ctx.get_input(insn, 1).constant {
                 let cst = if op == Opcode::Rotl || op == Opcode::Rotr {
                     // Mask rotation count, according to Cranelift's semantics.
                     (cst as u8) & (dst_ty.bits() as u8 - 1)

third_party/rust/cranelift-entity/.cargo-checksum.json

@@ -1 +1 @@
-{"files":{"Cargo.toml":"0ac209bc13b1152b67c8ab3e0a87ab512d966367758cc7fa131096dbe97a1da8","LICENSE":"268872b9816f90fd8e85db5a28d33f8150ebb8dd016653fb39ef1f94f2686bc5","README.md":"96ceffbfd88fb06e3b41aa4d3087cffbbf8441d04eba7ab09662a72ab600a321","src/boxed_slice.rs":"69d539b72460c0aba1d30e0b72efb0c29d61558574d751c784794e14abf41352","src/iter.rs":"61fefdc49cafad4cacba5f5a7ad2396a23160642c688a7f0b0734277391847cd","src/keys.rs":"b8c2fba26dee15bf3d1880bb2b41e8d66fe1428d242ee6d9fd30ee94bbd0407d","src/lib.rs":"5ecb434f18c343f68c7080514c71f8c79c21952d1774beffa1bf348b6dd77b05","src/list.rs":"4bf609eb7cc7c000c18da746596d5fcc67eece3f919ee2d76e19f6ac371640d1","src/map.rs":"e5ce79a7536dc147092be4965785b55e24b11356554be57afab38a7a93f47f4e","src/packed_option.rs":"d931ba5ce07a5c77c8a62bb07316db21c101bc3fa1eb6ffd396f8a8944958185","src/primary.rs":"20fe2c1b9645606c5fd5d416225f1e6a4bea17ee7de73ef5492c113263a29dd6","src/set.rs":"b040054b8baa0599e64df9ee841640688e2a73b6eabbdc5a4f15334412db052a","src/sparse.rs":"536e31fdcf64450526f5e5b85e97406c26b998bc7e0d8161b6b449c24265449f"},"package":null}
+{"files":{"Cargo.toml":"0ac209bc13b1152b67c8ab3e0a87ab512d966367758cc7fa131096dbe97a1da8","LICENSE":"268872b9816f90fd8e85db5a28d33f8150ebb8dd016653fb39ef1f94f2686bc5","README.md":"96ceffbfd88fb06e3b41aa4d3087cffbbf8441d04eba7ab09662a72ab600a321","src/boxed_slice.rs":"69d539b72460c0aba1d30e0b72efb0c29d61558574d751c784794e14abf41352","src/iter.rs":"61fefdc49cafad4cacba5f5a7ad2396a23160642c688a7f0b0734277391847cd","src/keys.rs":"b8c2fba26dee15bf3d1880bb2b41e8d66fe1428d242ee6d9fd30ee94bbd0407d","src/lib.rs":"72aca3bf830dce85a8b5f2325b589810ca06ae09e8d2daf137524ad6e6737bbe","src/list.rs":"4bf609eb7cc7c000c18da746596d5fcc67eece3f919ee2d76e19f6ac371640d1","src/map.rs":"e5ce79a7536dc147092be4965785b55e24b11356554be57afab38a7a93f47f4e","src/packed_option.rs":"d931ba5ce07a5c77c8a62bb07316db21c101bc3fa1eb6ffd396f8a8944958185","src/primary.rs":"20fe2c1b9645606c5fd5d416225f1e6a4bea17ee7de73ef5492c113263a29dd6","src/set.rs":"b040054b8baa0599e64df9ee841640688e2a73b6eabbdc5a4f15334412db052a","src/sparse.rs":"536e31fdcf64450526f5e5b85e97406c26b998bc7e0d8161b6b449c24265449f"},"package":null}

third_party/rust/cranelift-entity/src/lib.rs

@@ -92,7 +92,7 @@ macro_rules! entity_impl {
         }
 
         impl $entity {
-            /// Return the underlying index value as a `u32`.
+            /// Create a new instance from a `u32`.
             #[allow(dead_code)]
             pub fn from_u32(x: u32) -> Self {
                 debug_assert!(x < $crate::__core::u32::MAX);