cranelift-codegen - crates.io Package Compare versions

+1

-1

.cargo_vcs_info.json

		{
		"git": {
		"sha1": "d02210b714962f2c66891a8ee9d5d034bfb626f1"
		"sha1": "377cd917af258d932d55b201a646917ecf193639"
		},
		"path_in_vcs": "cranelift/codegen"
		}

+320

-200

Cargo.lock

		@@ -15,2 +15,11 @@ # This file is automatically @generated by Cargo.
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		dependencies = [
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		[[package]]
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		@@ -63,3 +72,3 @@ version = "0.2.20"
		dependencies = [
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		"windows-sys",
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		@@ -75,3 +84,3 @@
		"once_cell_polyfill",
		"windows-sys 0.61.2",
		"windows-sys",
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		@@ -81,5 +90,5 @@
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		version = "1.0.102"
		source = "registry+https://github.com/rust-lang/crates.io-index"
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		@@ -100,5 +109,5 @@ [[package]]
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		@@ -110,19 +119,13 @@ "bit-vec",
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		[[package]]
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		@@ -146,8 +149,2 @@ version = "0.10.2"
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		[[package]]
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		@@ -282,5 +279,5 @@ version = "0.13.0"
		name = "cranelift-assembler-x64"
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		@@ -292,5 +289,5 @@ "cranelift-assembler-x64-meta",
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		@@ -302,5 +299,5 @@ "cranelift-srcgen",
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		@@ -313,5 +310,5 @@ "cranelift-entity",
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		@@ -325,3 +322,3 @@ "serde",
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		@@ -342,3 +339,3 @@ "anyhow",
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		"hashbrown 0.16.1",
		"hashbrown 0.17.0",
		"libm",
		@@ -363,5 +360,5 @@ "log",
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		@@ -377,11 +374,11 @@ "cranelift-assembler-x64-meta",
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		@@ -393,5 +390,5 @@ "arbitrary",
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		@@ -406,5 +403,5 @@ "cranelift-bitset",
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		@@ -416,12 +413,13 @@ "codespan-reporting",
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		@@ -435,2 +433,3 @@ "cast",
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		@@ -446,5 +445,5 @@ "regex",
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		@@ -555,3 +554,3 @@ "cast",
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		@@ -579,2 +578,8 @@
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		[[package]]
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		@@ -596,9 +601,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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		@@ -608,10 +614,11 @@
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		@@ -642,2 +649,5 @@
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		@@ -649,4 +659,10 @@ [[package]]
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		@@ -674,8 +690,10 @@
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		@@ -705,12 +723,12 @@
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		@@ -725,5 +743,5 @@ [[package]]
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		@@ -770,2 +788,12 @@ [[package]]
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		[[package]]
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		@@ -789,2 +817,12 @@ version = "1.1.3"
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		[[package]]
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		@@ -800,18 +838,17 @@ version = "1.0.101"
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		@@ -821,5 +858,5 @@
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		@@ -833,5 +870,5 @@ "cranelift-bitset",
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		[[package]]
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		@@ -866,8 +897,13 @@ version = "1.0.41"
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		@@ -879,5 +915,5 @@ "rand_core",
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		@@ -900,5 +936,5 @@
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		@@ -932,9 +968,9 @@ "rand_core",
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		@@ -971,11 +1007,11 @@ "rustc-hash",
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		[[package]]
		name = "regex-syntax"
		version = "0.7.4"
		version = "0.8.5"
		source = "registry+https://github.com/rust-lang/crates.io-index"
		checksum = "e5ea92a5b6195c6ef2a0295ea818b312502c6fc94dde986c5553242e18fd4ce2"
		checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c"

		@@ -990,11 +1026,11 @@ [[package]]
		name = "rustix"
		version = "1.0.8"
		version = "1.1.4"
		source = "registry+https://github.com/rust-lang/crates.io-index"
		checksum = "11181fbabf243db407ef8df94a6ce0b2f9a733bd8be4ad02b4eda9602296cac8"
		checksum = "b6fe4565b9518b83ef4f91bb47ce29620ca828bd32cb7e408f0062e9930ba190"
		dependencies = [
		"bitflags 2.9.4",
		"bitflags",
		"errno",
		"libc",
		"linux-raw-sys",
		"windows-sys 0.60.2",
		"windows-sys",
		]
		@@ -1009,3 +1045,3 @@
		"fnv",
		"quick-error 1.2.3",
		"quick-error",
		"tempfile",
		@@ -1031,2 +1067,8 @@ "wait-timeout",
		[[package]]
		name = "semver"
		version = "1.0.27"
		source = "registry+https://github.com/rust-lang/crates.io-index"
		checksum = "d767eb0aabc880b29956c35734170f26ed551a859dbd361d140cdbeca61ab1e2"

		[[package]]
		name = "serde"
		@@ -1133,17 +1175,17 @@ version = "1.0.228"
		name = "target-lexicon"
		version = "0.13.0"
		version = "0.13.3"
		source = "registry+https://github.com/rust-lang/crates.io-index"
		checksum = "4ff4a4048091358129767b8a200d6927f58876c8b5ea16fb7b0222d43b79bfa8"
		checksum = "df7f62577c25e07834649fc3b39fafdc597c0a3527dc1c60129201ccfcbaa50c"

		[[package]]
		name = "tempfile"
		version = "3.23.0"
		version = "3.27.0"
		source = "registry+https://github.com/rust-lang/crates.io-index"
		checksum = "2d31c77bdf42a745371d260a26ca7163f1e0924b64afa0b688e61b5a9fa02f16"
		checksum = "32497e9a4c7b38532efcdebeef879707aa9f794296a4f0244f6f69e9bc8574bd"
		dependencies = [
		"fastrand",
		"getrandom 0.3.1",
		"getrandom 0.4.2",
		"once_cell",
		"rustix",
		"windows-sys 0.61.2",
		"windows-sys",
		]
		@@ -1197,2 +1239,8 @@
		[[package]]
		name = "unarray"
		version = "0.1.4"
		source = "registry+https://github.com/rust-lang/crates.io-index"
		checksum = "eaea85b334db583fe3274d12b4cd1880032beab409c0d774be044d4480ab9a94"

		[[package]]
		name = "unicode-ident"
		@@ -1210,2 +1258,8 @@ version = "1.0.19"
		[[package]]
		name = "unicode-xid"
		version = "0.2.3"
		source = "registry+https://github.com/rust-lang/crates.io-index"
		checksum = "957e51f3646910546462e67d5f7599b9e4fb8acdd304b087a6494730f9eebf04"

		[[package]]
		name = "utf8parse"
		@@ -1243,8 +1297,2 @@ version = "0.2.2"
		name = "wasi"
		version = "0.11.0+wasi-snapshot-preview1"
		source = "registry+https://github.com/rust-lang/crates.io-index"
		checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"

		[[package]]
		name = "wasi"
		version = "0.13.3+wasi-0.2.2"
		@@ -1258,8 +1306,60 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
		[[package]]
		name = "wasip2"
		version = "1.0.0+wasi-0.2.4"
		source = "registry+https://github.com/rust-lang/crates.io-index"
		checksum = "03fa2761397e5bd52002cd7e73110c71af2109aca4e521a9f40473fe685b0a24"
		dependencies = [
		"wit-bindgen 0.45.1",
		]

		[[package]]
		name = "wasip3"
		version = "0.4.0+wasi-0.3.0-rc-2026-01-06"
		source = "registry+https://github.com/rust-lang/crates.io-index"
		checksum = "5428f8bf88ea5ddc08faddef2ac4a67e390b88186c703ce6dbd955e1c145aca5"
		dependencies = [
		"wit-bindgen 0.51.0",
		]

		[[package]]
		name = "wasm-encoder"
		version = "0.244.0"
		source = "registry+https://github.com/rust-lang/crates.io-index"
		checksum = "990065f2fe63003fe337b932cfb5e3b80e0b4d0f5ff650e6985b1048f62c8319"
		dependencies = [
		"leb128fmt",
		"wasmparser",
		]

		[[package]]
		name = "wasm-metadata"
		version = "0.244.0"
		source = "registry+https://github.com/rust-lang/crates.io-index"
		checksum = "bb0e353e6a2fbdc176932bbaab493762eb1255a7900fe0fea1a2f96c296cc909"
		dependencies = [
		"anyhow",
		"indexmap",
		"wasm-encoder",
		"wasmparser",
		]

		[[package]]
		name = "wasmparser"
		version = "0.244.0"
		source = "registry+https://github.com/rust-lang/crates.io-index"
		checksum = "47b807c72e1bac69382b3a6fb3dbe8ea4c0ed87ff5629b8685ae6b9a611028fe"
		dependencies = [
		"bitflags",
		"hashbrown 0.15.2",
		"indexmap",
		"semver",
		]

		[[package]]
		name = "wasmtime-internal-core"
		version = "44.0.2"
		version = "45.0.0"
		source = "registry+https://github.com/rust-lang/crates.io-index"
		checksum = "4364d345719bba7fc4c435992ea1cb0c118f1e90a88c6e6f22a7a4fc507700c6"
		checksum = "1bdae4b55b15a23d774b15f6e7cd90ae0d0aa17c47c12b4db098b3dd11ba9d58"
		dependencies = [
		"hashbrown 0.16.1",
		"hashbrown 0.17.0",
		"libm",
		@@ -1307,11 +1407,2 @@ ]
		name = "windows-sys"
		version = "0.60.2"
		source = "registry+https://github.com/rust-lang/crates.io-index"
		checksum = "f2f500e4d28234f72040990ec9d39e3a6b950f9f22d3dba18416c35882612bcb"
		dependencies = [
		"windows-targets 0.53.5",
		]

		[[package]]
		name = "windows-sys"
		version = "0.61.2"
		@@ -1330,30 +1421,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
		dependencies = [
		"windows_aarch64_gnullvm 0.52.6",
		"windows_aarch64_msvc 0.52.6",
		"windows_i686_gnu 0.52.6",
		"windows_i686_gnullvm 0.52.6",
		"windows_i686_msvc 0.52.6",
		"windows_x86_64_gnu 0.52.6",
		"windows_x86_64_gnullvm 0.52.6",
		"windows_x86_64_msvc 0.52.6",
		"windows_aarch64_gnullvm",
		"windows_aarch64_msvc",
		"windows_i686_gnu",
		"windows_i686_gnullvm",
		"windows_i686_msvc",
		"windows_x86_64_gnu",
		"windows_x86_64_gnullvm",
		"windows_x86_64_msvc",
		]

		[[package]]
		name = "windows-targets"
		version = "0.53.5"
		source = "registry+https://github.com/rust-lang/crates.io-index"
		checksum = "4945f9f551b88e0d65f3db0bc25c33b8acea4d9e41163edf90dcd0b19f9069f3"
		dependencies = [
		"windows-link",
		"windows_aarch64_gnullvm 0.53.1",
		"windows_aarch64_msvc 0.53.1",
		"windows_i686_gnu 0.53.1",
		"windows_i686_gnullvm 0.53.1",
		"windows_i686_msvc 0.53.1",
		"windows_x86_64_gnu 0.53.1",
		"windows_x86_64_gnullvm 0.53.1",
		"windows_x86_64_msvc 0.53.1",
		]

		[[package]]
		name = "windows_aarch64_gnullvm"
		@@ -1365,8 +1439,2 @@ version = "0.52.6"
		[[package]]
		name = "windows_aarch64_gnullvm"
		version = "0.53.1"
		source = "registry+https://github.com/rust-lang/crates.io-index"
		checksum = "a9d8416fa8b42f5c947f8482c43e7d89e73a173cead56d044f6a56104a6d1b53"

		[[package]]
		name = "windows_aarch64_msvc"
		@@ -1378,8 +1446,2 @@ version = "0.52.6"
		[[package]]
		name = "windows_aarch64_msvc"
		version = "0.53.1"
		source = "registry+https://github.com/rust-lang/crates.io-index"
		checksum = "b9d782e804c2f632e395708e99a94275910eb9100b2114651e04744e9b125006"

		[[package]]
		name = "windows_i686_gnu"
		@@ -1391,8 +1453,2 @@ version = "0.52.6"
		[[package]]
		name = "windows_i686_gnu"
		version = "0.53.1"
		source = "registry+https://github.com/rust-lang/crates.io-index"
		checksum = "960e6da069d81e09becb0ca57a65220ddff016ff2d6af6a223cf372a506593a3"

		[[package]]
		name = "windows_i686_gnullvm"
		@@ -1404,8 +1460,2 @@ version = "0.52.6"
		[[package]]
		name = "windows_i686_gnullvm"
		version = "0.53.1"
		source = "registry+https://github.com/rust-lang/crates.io-index"
		checksum = "fa7359d10048f68ab8b09fa71c3daccfb0e9b559aed648a8f95469c27057180c"

		[[package]]
		name = "windows_i686_msvc"
		@@ -1417,8 +1467,2 @@ version = "0.52.6"
		[[package]]
		name = "windows_i686_msvc"
		version = "0.53.1"
		source = "registry+https://github.com/rust-lang/crates.io-index"
		checksum = "1e7ac75179f18232fe9c285163565a57ef8d3c89254a30685b57d83a38d326c2"

		[[package]]
		name = "windows_x86_64_gnu"
		@@ -1430,30 +1474,38 @@ version = "0.52.6"
		[[package]]
		name = "windows_x86_64_gnu"
		version = "0.53.1"
		name = "windows_x86_64_gnullvm"
		version = "0.52.6"
		source = "registry+https://github.com/rust-lang/crates.io-index"
		checksum = "9c3842cdd74a865a8066ab39c8a7a473c0778a3f29370b5fd6b4b9aa7df4a499"
		checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"

		[[package]]
		name = "windows_x86_64_gnullvm"
		name = "windows_x86_64_msvc"
		version = "0.52.6"
		source = "registry+https://github.com/rust-lang/crates.io-index"
		checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
		checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"

		[[package]]
		name = "windows_x86_64_gnullvm"
		version = "0.53.1"
		name = "wit-bindgen"
		version = "0.45.1"
		source = "registry+https://github.com/rust-lang/crates.io-index"
		checksum = "0ffa179e2d07eee8ad8f57493436566c7cc30ac536a3379fdf008f47f6bb7ae1"
		checksum = "5c573471f125075647d03df72e026074b7203790d41351cd6edc96f46bcccd36"

		[[package]]
		name = "windows_x86_64_msvc"
		version = "0.52.6"
		name = "wit-bindgen"
		version = "0.51.0"
		source = "registry+https://github.com/rust-lang/crates.io-index"
		checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
		checksum = "d7249219f66ced02969388cf2bb044a09756a083d0fab1e566056b04d9fbcaa5"
		dependencies = [
		"wit-bindgen-rust-macro",
		]

		[[package]]
		name = "windows_x86_64_msvc"
		version = "0.53.1"
		name = "wit-bindgen-core"
		version = "0.51.0"
		source = "registry+https://github.com/rust-lang/crates.io-index"
		checksum = "d6bbff5f0aada427a1e5a6da5f1f98158182f26556f345ac9e04d36d0ebed650"
		checksum = "ea61de684c3ea68cb082b7a88508a8b27fcc8b797d738bfc99a82facf1d752dc"
		dependencies = [
		"anyhow",
		"heck",
		"wit-parser",
		]

		@@ -1466,3 +1518,71 @@ [[package]]
		dependencies = [
		"bitflags 2.9.4",
		"bitflags",
		]

		[[package]]
		name = "wit-bindgen-rust"
		version = "0.51.0"
		source = "registry+https://github.com/rust-lang/crates.io-index"
		checksum = "b7c566e0f4b284dd6561c786d9cb0142da491f46a9fbed79ea69cdad5db17f21"
		dependencies = [
		"anyhow",
		"heck",
		"indexmap",
		"prettyplease",
		"syn",
		"wasm-metadata",
		"wit-bindgen-core",
		"wit-component",
		]

		[[package]]
		name = "wit-bindgen-rust-macro"
		version = "0.51.0"
		source = "registry+https://github.com/rust-lang/crates.io-index"
		checksum = "0c0f9bfd77e6a48eccf51359e3ae77140a7f50b1e2ebfe62422d8afdaffab17a"
		dependencies = [
		"anyhow",
		"prettyplease",
		"proc-macro2",
		"quote",
		"syn",
		"wit-bindgen-core",
		"wit-bindgen-rust",
		]

		[[package]]
		name = "wit-component"
		version = "0.244.0"
		source = "registry+https://github.com/rust-lang/crates.io-index"
		checksum = "9d66ea20e9553b30172b5e831994e35fbde2d165325bec84fc43dbf6f4eb9cb2"
		dependencies = [
		"anyhow",
		"bitflags",
		"indexmap",
		"log",
		"serde",
		"serde_derive",
		"serde_json",
		"wasm-encoder",
		"wasm-metadata",
		"wasmparser",
		"wit-parser",
		]

		[[package]]
		name = "wit-parser"
		version = "0.244.0"
		source = "registry+https://github.com/rust-lang/crates.io-index"
		checksum = "ecc8ac4bc1dc3381b7f59c34f00b67e18f910c2c0f50015669dde7def656a736"
		dependencies = [
		"anyhow",
		"id-arena",
		"indexmap",
		"log",
		"semver",
		"serde",
		"serde_derive",
		"serde_json",
		"unicode-xid",
		"wasmparser",
		]

+19

-17

Cargo.toml

		@@ -14,5 +14,5 @@ # THIS FILE IS AUTOMATICALLY GENERATED BY CARGO
		edition = "2024"
		rust-version = "1.92.0"
		rust-version = "1.93.0"
		name = "cranelift-codegen"
		version = "0.131.2"
		version = "0.132.0"
		authors = ["The Cranelift Project Developers"]
		@@ -121,19 +121,19 @@ build = "build.rs"
		[dependencies.cranelift-assembler-x64]
		version = "0.131.2"
		version = "0.132.0"

		[dependencies.cranelift-bforest]
		version = "0.131.2"
		version = "0.132.0"

		[dependencies.cranelift-bitset]
		version = "0.131.2"
		version = "0.132.0"

		[dependencies.cranelift-codegen-shared]
		version = "0.131.2"
		version = "0.132.0"

		[dependencies.cranelift-control]
		version = "0.131.2"
		version = "0.132.0"
		default-features = false

		[dependencies.cranelift-entity]
		version = "0.131.2"
		version = "0.132.0"

		@@ -150,3 +150,3 @@ [dependencies.gimli]
		[dependencies.hashbrown]
		version = "0.16"
		version = "0.17"
		features = ["default-hasher"]
		@@ -169,7 +169,7 @@ default-features = false
		[dependencies.pulley-interpreter]
		version = "=44.0.2"
		version = "=45.0.0"
		optional = true

		[dependencies.regalloc2]
		version = "0.15.0"
		version = "0.15.1"
		features = ["checker"]
		@@ -194,2 +194,3 @@
		optional = true
		default-features = false

		@@ -205,10 +206,10 @@ [dependencies.smallvec]
		[dependencies.target-lexicon]
		version = "0.13.0"
		version = "0.13.3"

		[dependencies.wasmtime-core]
		version = "=44.0.2"
		version = "=45.0.0"
		package = "wasmtime-internal-core"

		[dev-dependencies.criterion]
		version = "0.7.0"
		version = "0.8.2"
		features = [
		@@ -224,3 +225,3 @@ "html_reports",
		[dev-dependencies.proptest]
		version = "1.0.0"
		version = "1.11.0"

		@@ -231,6 +232,6 @@ [dev-dependencies.similar]
		[build-dependencies.cranelift-codegen-meta]
		version = "0.131.2"
		version = "0.132.0"

		[build-dependencies.cranelift-isle]
		version = "=0.131.2"
		version = "=0.132.0"

		@@ -273,3 +274,4 @@ [lints.clippy]
		"cfg(arc_try_new)",
		"cfg(fuzzing)",
		"cfg(gc_zeal)",
		]

+57

-15

src/alias_analysis.rs

		@@ -176,2 +176,12 @@ //! Alias analysis, consisting of a "last store" pass and a "memory

		/// The result of processing an instruction through alias analysis.
		pub enum OptResult {
		/// No optimization applied.
		None,
		/// A redundant load; alias its result to this value.
		AliasedLoad(Value),
		/// An idempotent store; remove it.
		IdempotentStore,
		}

		/// An alias-analysis pass.
		@@ -264,4 +274,2 @@ pub struct AliasAnalysis<'a> {
		/// preorder for maximal reuse.
		///
		/// Returns `true` if instruction was removed.
		pub fn process_inst(
		@@ -272,3 +280,3 @@ &mut self,
		inst: Inst,
		) -> Option<Value> {
		) -> OptResult {
		trace!(
		@@ -281,4 +289,3 @@ "alias analysis: scanning at inst{} with state {:?} ({:?})",

		let replacing_value = if let Some((address, offset, ty)) = inst_addr_offset_type(func, inst)
		{
		let result = if let Some((address, offset, ty)) = inst_addr_offset_type(func, inst) {
		let address = func.dfg.resolve_aliases(address);
		@@ -290,2 +297,28 @@ let opcode = func.dfg.insts[inst].opcode();
		let store_data = func.dfg.resolve_aliases(store_data);

		// Check for idempotent stores, where we are storing the exact
		// same value back to a location that already has that value.
		let last_store = state.get_last_store(func, inst);
		let check_loc = MemoryLoc {
		last_store,
		address,
		offset,
		ty,
		extending_opcode: get_ext_opcode(opcode),
		};
		if let Some((def_inst, known_value)) = self.mem_values.get(&check_loc).cloned() {
		if known_value == store_data
		&& self.domtree.dominates(def_inst, inst, &func.layout)
		{
		trace!(
		"alias analysis: at inst{}: idempotent store of v{} to loc {:?}",
		inst.index(),
		store_data.index(),
		check_loc
		);
		return OptResult::IdempotentStore;
		}
		}

		// Otherwise, update our state to reflect this store.
		let mem_loc = MemoryLoc {
		@@ -306,3 +339,3 @@ last_store: inst.into(),

		None
		OptResult::None
		} else if opcode.can_load() {
		@@ -367,8 +400,11 @@ let last_store = state.get_last_store(func, inst);

		aliased
		match aliased {
		Some(value) => OptResult::AliasedLoad(value),
		None => OptResult::None,
		}
		} else {
		None
		OptResult::None
		}
		} else {
		None
		OptResult::None
		};
		@@ -378,3 +414,3 @@

		replacing_value
		result
		}
		@@ -393,7 +429,13 @@
		while let Some(inst) = pos.next_inst() {
		if let Some(replaced_result) = self.process_inst(pos.func, &mut state, inst) {
		let result = pos.func.dfg.inst_results(inst)[0];
		pos.func.dfg.clear_results(inst);
		pos.func.dfg.change_to_alias(result, replaced_result);
		pos.remove_inst_and_step_back();
		match self.process_inst(pos.func, &mut state, inst) {
		OptResult::None => {}
		OptResult::AliasedLoad(replaced_result) => {
		let result = pos.func.dfg.inst_results(inst)[0];
		pos.func.dfg.clear_results(inst);
		pos.func.dfg.change_to_alias(result, replaced_result);
		pos.remove_inst_and_step_back();
		}
		OptResult::IdempotentStore => {
		pos.remove_inst_and_step_back();
		}
		}
		@@ -400,0 +442,0 @@ }

+33

-26

src/egraph/mod.rs

		//! Support for egraphs represented in the DataFlowGraph.

		use crate::FxHashSet;
		use crate::alias_analysis::{AliasAnalysis, LastStores};
		use crate::alias_analysis::{AliasAnalysis, LastStores, OptResult};
		use crate::ctxhash::{CtxEq, CtxHash, NullCtx};
		@@ -305,3 +305,3 @@ use crate::cursor::{Cursor, CursorPosition, FuncCursor};
		const REWRITE_LIMIT: usize = 5;
		if ctx.rewrite_depth > REWRITE_LIMIT {
		if ctx.rewrite_depth >= REWRITE_LIMIT {
		ctx.stats.rewrite_depth_limit += 1;
		@@ -484,27 +484,33 @@ return orig_value;
		// analysis to see if we can optimize it (rewrite in terms of
		// an earlier load or stored value).
		else if let Some(new_result) =
		self.alias_analysis
		// an earlier load or stored value, or remove an idempotent store).
		else {
		match self
		.alias_analysis
		.process_inst(self.func, self.alias_analysis_state, inst)
		{
		self.stats.alias_analysis_removed += 1;
		let result = self.func.dfg.first_result(inst);
		trace!(
		" -> inst {} has result {} replaced with {}",
		inst, result, new_result
		);
		self.value_to_opt_value[result] = new_result;
		self.available_block[result] = self.available_block[new_result];
		Some(SkeletonInstSimplification::Remove)
		}
		// Otherwise, generic side-effecting op -- always keep it, and
		// set its results to identity-map to original values.
		else {
		// Set all results to identity-map to themselves
		// in the value-to-opt-value map.
		for &result in self.func.dfg.inst_results(inst) {
		self.value_to_opt_value[result] = result;
		self.available_block[result] = block;
		{
		OptResult::AliasedLoad(new_result) => {
		self.stats.alias_analysis_removed_load += 1;
		let result = self.func.dfg.first_result(inst);
		trace!(
		" -> inst {} has result {} replaced with {}",
		inst, result, new_result
		);
		self.value_to_opt_value[result] = new_result;
		self.available_block[result] = self.available_block[new_result];
		Some(SkeletonInstSimplification::Remove)
		}
		OptResult::IdempotentStore => {
		self.stats.alias_analysis_removed_store += 1;
		Some(SkeletonInstSimplification::Remove)
		}
		OptResult::None => {
		// Generic side-effecting op -- always keep it, and
		// set its results to identity-map to original values.
		for &result in self.func.dfg.inst_results(inst) {
		self.value_to_opt_value[result] = result;
		self.available_block[result] = block;
		}
		None
		}
		}
		None
		}
		@@ -1066,3 +1072,4 @@ }
		pub(crate) skeleton_inst_gvn: u64,
		pub(crate) alias_analysis_removed: u64,
		pub(crate) alias_analysis_removed_load: u64,
		pub(crate) alias_analysis_removed_store: u64,
		pub(crate) new_inst: u64,
		@@ -1069,0 +1076,0 @@ pub(crate) union: u64,

+23

-15

src/isa/aarch64/abi.rs

		@@ -350,11 +350,17 @@ //! Implementation of a standard AArch64 ABI.

		let size = if is_apple_cc \|\| is_winch_return {
		// MacOS and Winch aarch64 allows stack slots with
		// sizes less than 8 bytes. They still need to be
		// properly aligned on their natural data alignment,
		// though.
		// MacOS and Winch aarch64 allows stack slots with sizes less than 8
		// bytes. They still need to be properly aligned on their natural
		// data alignment, though, and this additionally is only applicable
		// for arguments or when there's no argument extension in play.
		// Stack slots for return values with argument extension get their
		// full machine-word-width loaded or stored.
		//
		// Otherwise every arg takes a minimum slot of 8 bytes. (16-byte
		// stack alignment happens separately after all args.)
		let size = if (is_apple_cc \|\| is_winch_return)
		&& (args_or_rets == ArgsOrRets::Args
		\|\| param.extension == ir::ArgumentExtension::None)
		{
		size
		} else {
		// Every arg takes a minimum slot of 8 bytes. (16-byte stack
		// alignment happens separately after all args.)
		core::cmp::max(size, 8)
		@@ -1197,11 +1203,13 @@ };

		let needs_linkage_frame = flags.preserve_frame_pointers()
		// The function arguments that are passed on the stack are addressed
		// relative to the Frame Pointer.
		\|\| incoming_args_size > 0
		\|\| tail_args_size > incoming_args_size
		\|\| clobber_size > 0
		\|\| fixed_frame_storage_size > 0
		\|\| outgoing_args_size > 0;

		// Compute linkage frame size.
		let setup_area_size = if flags.preserve_frame_pointers()
		\|\| function_calls != FunctionCalls::None
		// The function arguments that are passed on the stack are addressed
		// relative to the Frame Pointer.
		\|\| incoming_args_size > 0
		\|\| clobber_size > 0
		\|\| fixed_frame_storage_size > 0
		{
		let setup_area_size = if needs_linkage_frame \|\| function_calls == FunctionCalls::Regular {
		16 // FP, LR
		@@ -1208,0 +1216,0 @@ } else {

+2

-0

src/isa/aarch64/lower/isle.rs

		@@ -138,2 +138,3 @@ //! ISLE integration glue code for aarch64 lowering.
		key,
		sign_return_address_all: self.backend.isa_flags.sign_return_address_all(),
		new_stack_arg_size,
		@@ -161,2 +162,3 @@ })
		key,
		sign_return_address_all: self.backend.isa_flags.sign_return_address_all(),
		new_stack_arg_size,
		@@ -163,0 +165,0 @@ })

+7

-24

src/isa/aarch64/mod.rs

		@@ -21,4 +21,2 @@ //! ARM 64-bit Instruction Set Architecture.
		use cranelift_control::ControlPlane;
		#[cfg(feature = "unwind")]
		use target_lexicon::OperatingSystem;
		use target_lexicon::{Aarch64Architecture, Architecture, Triple};
		@@ -155,13 +153,5 @@
		fn create_systemv_cie(&self) -> Option<gimli::write::CommonInformationEntry> {
		let is_apple_os = match self.triple.operating_system {
		OperatingSystem::Darwin(_)
		\| OperatingSystem::IOS(_)
		\| OperatingSystem::MacOSX { .. }
		\| OperatingSystem::TvOS(_) => true,
		_ => false,
		};

		if self.isa_flags.sign_return_address()
		&& self.isa_flags.sign_return_address_with_bkey()
		&& !is_apple_os
		&& !self.triple.operating_system.is_like_darwin()
		{
		@@ -190,15 +180,8 @@ unimplemented!(
		fn page_size_align_log2(&self) -> u8 {
		use target_lexicon::*;
		match self.triple().operating_system {
		OperatingSystem::MacOSX { .. }
		\| OperatingSystem::Darwin(_)
		\| OperatingSystem::IOS(_)
		\| OperatingSystem::TvOS(_) => {
		debug_assert_eq!(1 << 14, 0x4000);
		14
		}
		_ => {
		debug_assert_eq!(1 << 16, 0x10000);
		16
		}
		if self.triple().operating_system.is_like_darwin() {
		debug_assert_eq!(1 << 14, 0x4000);
		14
		} else {
		debug_assert_eq!(1 << 16, 0x10000);
		16
		}
		@@ -205,0 +188,0 @@ }

+14

-60

src/isa/s390x/lower/isle.rs

		@@ -216,74 +216,22 @@ //! ISLE integration glue code for s390x lowering.
		#[inline]
		fn mie3_enabled(&mut self, _: Type) -> Option<()> {
		if self.backend.isa_flags.has_mie3() {
		Some(())
		} else {
		None
		}
		fn has_mie3(&mut self) -> bool {
		self.backend.isa_flags.has_mie3()
		}

		#[inline]
		fn mie3_disabled(&mut self, _: Type) -> Option<()> {
		if !self.backend.isa_flags.has_mie3() {
		Some(())
		} else {
		None
		}
		fn has_mie4(&mut self) -> bool {
		self.backend.isa_flags.has_mie4()
		}

		#[inline]
		fn mie4_enabled(&mut self, _: Type) -> Option<()> {
		if self.backend.isa_flags.has_mie4() {
		Some(())
		} else {
		None
		}
		fn has_vxrs_ext2(&mut self) -> bool {
		self.backend.isa_flags.has_vxrs_ext2()
		}

		#[inline]
		fn mie4_disabled(&mut self, _: Type) -> Option<()> {
		if !self.backend.isa_flags.has_mie4() {
		Some(())
		} else {
		None
		}
		fn has_vxrs_ext3(&mut self) -> bool {
		self.backend.isa_flags.has_vxrs_ext3()
		}

		#[inline]
		fn vxrs_ext2_enabled(&mut self, _: Type) -> Option<()> {
		if self.backend.isa_flags.has_vxrs_ext2() {
		Some(())
		} else {
		None
		}
		}

		#[inline]
		fn vxrs_ext2_disabled(&mut self, _: Type) -> Option<()> {
		if !self.backend.isa_flags.has_vxrs_ext2() {
		Some(())
		} else {
		None
		}
		}

		#[inline]
		fn vxrs_ext3_enabled(&mut self, _: Type) -> Option<()> {
		if self.backend.isa_flags.has_vxrs_ext3() {
		Some(())
		} else {
		None
		}
		}

		#[inline]
		fn vxrs_ext3_disabled(&mut self, _: Type) -> Option<()> {
		if !self.backend.isa_flags.has_vxrs_ext3() {
		Some(())
		} else {
		None
		}
		}

		#[inline]
		fn writable_gpr(&mut self, regno: u8) -> WritableReg {
		@@ -552,2 +500,8 @@ writable_gpr(regno)
		#[inline]
		fn simm20_from_value(&mut self, val: Value) -> Option<SImm20> {
		let constant = self.u64_from_signed_value(val)? as i64;
		SImm20::maybe_from_i64(constant)
		}

		#[inline]
		fn uimm32shifted_from_value(&mut self, val: Value) -> Option<UImm32Shifted> {
		@@ -554,0 +508,0 @@ let constant = self.u64_from_value(val)?;

+70

-6

src/isa/x64/inst/args.rs

		@@ -27,2 +27,10 @@ //! Instruction operand sub-components (aka "parts"): definitions and printing.
		/// the wrapped `Reg` (such as that it is of a particular register class).
		///
		/// Each `reg_mem` / `reg_mem_imm` entry can optionally carry:
		/// * `aligned:BOOL` -- require aligned memory operands (used for SSE
		/// non-VEX encodings).
		/// * `size:BITS` -- the bit width of the value the operand holds. This
		/// is purely a type-level distinction (a sized newtype is a different
		/// Rust type than an unsized one of the same "family"), used to prevent
		/// cross-width operand mix-ups at compile time.
		macro_rules! newtype_of_reg {
		@@ -33,4 +41,8 @@ (
		$newtype_option_writable_reg:ident,
		reg_mem: ($($newtype_reg_mem:ident $(aligned:$aligned:ident)?),*),
		reg_mem_imm: ($($newtype_reg_mem_imm:ident $(aligned:$aligned_imm:ident)?),*),
		reg_mem: ($($newtype_reg_mem:ident
		$(size:$size:literal)?
		$(aligned:$aligned:ident)?),*),
		reg_mem_imm: ($($newtype_reg_mem_imm:ident
		$(size:$size_imm:literal)?
		$(aligned:$aligned_imm:ident)?),*),
		\|$check_reg:ident\| $check:expr
		@@ -151,2 +163,9 @@ ) => {
		impl $newtype_reg_mem {
		$(
		/// The bit width of the value this operand holds. This is
		/// a type-level distinction only; the underlying `RegMem`
		/// does not record the width.
		pub const SIZE_BITS: u32 = $size;
		)?

		/// Construct a `RegMem` newtype from the given `RegMem`, or return
		@@ -233,2 +252,9 @@ /// `None` if the `RegMem` is not a valid instance of this `RegMem`
		impl $newtype_reg_mem_imm {
		$(
		/// The bit width of the value this operand holds. This is
		/// a type-level distinction only; the underlying
		/// `RegMemImm` does not record the width.
		pub const SIZE_BITS: u32 = $size_imm;
		)?

		/// Construct this newtype from the given `RegMemImm`, or return
		@@ -301,2 +327,6 @@ /// `None` if the `RegMemImm` is not a valid instance of this
		// Define a newtype of `Reg` for general-purpose registers.
		//
		// The sized `GprMemN` / `GprMemImmN` variants indicate the width of
		// the register or memory operand that an instruction operates on; for
		// a memory operand, the width of the load or store in particular.
		newtype_of_reg!(
		@@ -306,4 +336,12 @@ Gpr,
		OptionWritableGpr,
		reg_mem: (GprMem),
		reg_mem_imm: (GprMemImm),
		reg_mem: (GprMem,
		GprMem8 size:8,
		GprMem16 size:16,
		GprMem32 size:32,
		GprMem64 size:64),
		reg_mem_imm: (GprMemImm,
		GprMemImm8 size:8,
		GprMemImm16 size:16,
		GprMemImm32 size:32,
		GprMemImm64 size:64),
		\|reg\| reg.class() == RegClass::Int
		@@ -333,2 +371,6 @@ );
		// Define a newtype of `Reg` for XMM registers.
		//
		// Specific-width newtypes are, as for the GPR case above, used to
		// distinguish the width of the operation particularly when a memory
		// load or store occurs.
		newtype_of_reg!(
		@@ -338,4 +380,26 @@ Xmm,
		OptionWritableXmm,
		reg_mem: (XmmMem, XmmMemAligned aligned:true),
		reg_mem_imm: (XmmMemImm, XmmMemAlignedImm aligned:true),
		reg_mem: (XmmMem,
		XmmMem8 size:8,
		XmmMem16 size:16,
		XmmMem32 size:32,
		XmmMem64 size:64,
		XmmMem128 size:128,
		XmmMemAligned aligned:true,
		XmmMemAligned8 size:8 aligned:true,
		XmmMemAligned16 size:16 aligned:true,
		XmmMemAligned32 size:32 aligned:true,
		XmmMemAligned64 size:64 aligned:true,
		XmmMemAligned128 size:128 aligned:true),
		reg_mem_imm: (XmmMemImm,
		XmmMemImm8 size:8,
		XmmMemImm16 size:16,
		XmmMemImm32 size:32,
		XmmMemImm64 size:64,
		XmmMemImm128 size:128,
		XmmMemAlignedImm aligned:true,
		XmmMemAlignedImm8 size:8 aligned:true,
		XmmMemAlignedImm16 size:16 aligned:true,
		XmmMemAlignedImm32 size:32 aligned:true,
		XmmMemAlignedImm64 size:64 aligned:true,
		XmmMemAlignedImm128 size:128 aligned:true),
		\|reg\| reg.class() == RegClass::Float
		@@ -342,0 +406,0 @@ );

+144

-7

src/isle_prelude.rs

		@@ -78,2 +78,13 @@ //! Shared ISLE prelude implementation for optimization (mid-end) and
		#[inline]
		fn imm64_udiv(&mut self, ty: Type, x: Imm64, y: Imm64) -> Option<Imm64> {
		let type_width = ty.bits();
		assert!(type_width <= 64);
		let mask = self.ty_mask(ty);
		let x = (x.bits() as u64) & mask;
		let y = (y.bits() as u64) & mask;
		let result = x.checked_div(y)?;
		Some(Imm64::new(result as i64).mask_to_width(type_width))
		}

		#[inline]
		fn imm64_srem(&mut self, ty: Type, x: Imm64, y: Imm64) -> Option<Imm64> {
		@@ -94,2 +105,121 @@ // Sign extend `x` and `y`.
		#[inline]
		fn imm64_urem(&mut self, ty: Type, x: Imm64, y: Imm64) -> Option<Imm64> {
		let type_width = ty.bits();
		assert!(type_width <= 64);
		let mask = self.ty_mask(ty);
		let x = (x.bits() as u64) & mask;
		let y = (y.bits() as u64) & mask;
		let result = x.checked_rem(y)?;
		Some(Imm64::new(result as i64).mask_to_width(type_width))
		}

		#[inline]
		fn imm64_add(&mut self, ty: Type, x: Imm64, y: Imm64) -> Imm64 {
		let ty_mask = self.ty_mask(ty) as i64;
		Imm64::new(x.bits().wrapping_add(y.bits()) & ty_mask)
		}

		#[inline]
		fn imm64_sub(&mut self, ty: Type, x: Imm64, y: Imm64) -> Imm64 {
		let ty_mask = self.ty_mask(ty) as i64;
		Imm64::new(x.bits().wrapping_sub(y.bits()) & ty_mask)
		}

		#[inline]
		fn imm64_mul(&mut self, ty: Type, x: Imm64, y: Imm64) -> Imm64 {
		let ty_mask = self.ty_mask(ty) as i64;
		Imm64::new(x.bits().wrapping_mul(y.bits()) & ty_mask)
		}

		#[inline]
		fn imm64_and(&mut self, ty: Type, x: Imm64, y: Imm64) -> Imm64 {
		let ty_mask = self.ty_mask(ty) as i64;
		Imm64::new((x.bits() & y.bits()) & ty_mask)
		}

		#[inline]
		fn imm64_or(&mut self, ty: Type, x: Imm64, y: Imm64) -> Imm64 {
		let ty_mask = self.ty_mask(ty) as i64;
		Imm64::new((x.bits() \| y.bits()) & ty_mask)
		}

		#[inline]
		fn imm64_xor(&mut self, ty: Type, x: Imm64, y: Imm64) -> Imm64 {
		let ty_mask = self.ty_mask(ty) as i64;
		Imm64::new((x.bits() ^ y.bits()) & ty_mask)
		}

		#[inline]
		fn imm64_not(&mut self, ty: Type, x: Imm64) -> Imm64 {
		let ty_mask = self.ty_mask(ty) as i64;
		Imm64::new((!x.bits()) & ty_mask)
		}

		#[inline]
		fn imm64_neg(&mut self, ty: Type, x: Imm64) -> Imm64 {
		let ty_mask = self.ty_mask(ty) as i64;
		Imm64::new(x.bits().wrapping_neg() & ty_mask)
		}

		#[inline]
		fn imm64_abs(&mut self, ty: Type, x: Imm64) -> Option<Imm64> {
		let type_width = ty.bits();
		assert!(type_width <= 64);

		let x = x.sign_extend_from_width(type_width).bits();
		let shift = 64 - type_width;
		let min = ((self.ty_smin(ty) as i64) << shift) >> shift;
		if x == min {
		return None;
		}

		Some(Imm64::new(x.abs()).mask_to_width(type_width))
		}

		#[inline]
		fn imm64_ilog2(&mut self, ty: Type, x: Imm64) -> Option<Imm64> {
		let type_width = ty.bits();
		assert!(type_width <= 64);
		let masked = (x.bits() as u64) & self.ty_mask(ty);
		let result = masked.checked_ilog2()?;
		Some(Imm64::new(result.into()))
		}

		#[inline]
		fn imm64_umin(&mut self, ty: Type, x: Imm64, y: Imm64) -> Imm64 {
		let ty_mask = self.ty_mask(ty);
		let x_u = (x.bits() as u64) & ty_mask;
		let y_u = (y.bits() as u64) & ty_mask;
		Imm64::new((if x_u <= y_u { x_u } else { y_u }) as i64)
		}

		#[inline]
		fn imm64_umax(&mut self, ty: Type, x: Imm64, y: Imm64) -> Imm64 {
		let ty_mask = self.ty_mask(ty);
		let x_u = (x.bits() as u64) & ty_mask;
		let y_u = (y.bits() as u64) & ty_mask;
		Imm64::new((if x_u >= y_u { x_u } else { y_u }) as i64)
		}

		#[inline]
		fn imm64_smin(&mut self, ty: Type, x: Imm64, y: Imm64) -> Imm64 {
		let type_width = ty.bits();
		assert!(type_width <= 64);
		let x_s = x.sign_extend_from_width(type_width).bits();
		let y_s = y.sign_extend_from_width(type_width).bits();
		let selected = if x_s <= y_s { x_s } else { y_s };
		Imm64::new(selected).mask_to_width(type_width)
		}

		#[inline]
		fn imm64_smax(&mut self, ty: Type, x: Imm64, y: Imm64) -> Imm64 {
		let type_width = ty.bits();
		assert!(type_width <= 64);
		let x_s = x.sign_extend_from_width(type_width).bits();
		let y_s = y.sign_extend_from_width(type_width).bits();
		let selected = if x_s >= y_s { x_s } else { y_s };
		Imm64::new(selected).mask_to_width(type_width)
		}

		#[inline]
		fn imm64_shl(&mut self, ty: Type, x: Imm64, y: Imm64) -> Imm64 {
		@@ -420,2 +550,11 @@ // Mask off any excess shift bits.
		#[inline]
		fn ty_int_vec128(&mut self, ty: Type) -> Option<Type> {
		if ty.is_int() \|\| (ty.is_vector() && ty.bits() == 128 && ty.lane_type().is_int()) {
		Some(ty)
		} else {
		None
		}
		}

		#[inline]
		fn ty_scalar(&mut self, ty: Type) -> Option<Type> {
		@@ -798,6 +937,6 @@ if ty.lane_count() == 1 { Some(ty) } else { None }

		fn u64_replicated_u32(&mut self, val: u64) -> Option<u64> {
		fn u64_replicated_u32(&mut self, val: u64) -> Option<u32> {
		let low32 = val as u32 as u64;
		if (low32 \| (low32 << 32)) == val {
		Some(low32)
		Some(val as u32)
		} else {
		@@ -808,7 +947,6 @@ None

		fn u32_replicated_u16(&mut self, val: u64) -> Option<u64> {
		let val = val as u32;
		fn u32_replicated_u16(&mut self, val: u32) -> Option<u16> {
		let low16 = val as u16 as u32;
		if (low16 \| (low16 << 16)) == val {
		Some(low16.into())
		Some(low16 as u16)
		} else {
		@@ -819,4 +957,3 @@ None

		fn u16_replicated_u8(&mut self, val: u64) -> Option<u8> {
		let val = val as u16;
		fn u16_replicated_u8(&mut self, val: u16) -> Option<u8> {
		let low8 = val as u8 as u16;
		@@ -823,0 +960,0 @@ if (low8 \| (low8 << 8)) == val {

+23

-11

src/souper_harvest.rs

		@@ -116,2 +116,3 @@ //! Harvest left-hand side superoptimization candidates.
		\| ir::Opcode::BxorImm
		\| ir::Opcode::Bnot
		\| ir::Opcode::Ishl
		@@ -338,2 +339,11 @@ \| ir::Opcode::IshlImm
		}
		(ir::Opcode::Bnot, _) => {
		let a = arg(allocs, 0);
		let b = ast::Constant {
		value: -1,
		r#type: souper_type_of(&func.dfg, val),
		}
		.into();
		ast::Instruction::Xor { a, b }.into()
		}
		(ir::Opcode::Ishl, _) => {
		@@ -439,3 +449,3 @@ let a = arg(allocs, 0);
		let b = arg(allocs, 1);
		match cond {
		let cmp = match cond {
		ir::condcodes::IntCC::Equal => ast::Instruction::Eq { a, b }.into(),
		@@ -450,3 +460,3 @@ ir::condcodes::IntCC::NotEqual => ast::Instruction::Ne { a, b }.into(),
		ir::condcodes::IntCC::UnsignedLessThanOrEqual => {
		ast::Instruction::Sle { a, b }.into()
		ast::Instruction::Ule { a, b }.into()
		}
		@@ -457,2 +467,12 @@ ir::condcodes::IntCC::SignedLessThanOrEqual => {
		_ => ast::AssignmentRhs::Var,
		};

		match cmp {
		ast::AssignmentRhs::Var => ast::AssignmentRhs::Var,
		cmp => {
		let cmp = lhs
		.assignment(None, Some(ast::Type { width: 1 }), cmp, vec![])
		.into();
		ast::Instruction::Zext { a: cmp }.into()
		}
		}
		@@ -542,11 +562,3 @@ }
		assert_eq!(ty.lane_count(), 1);
		let width = match dfg.value_def(val).inst() {
		Some(inst)
		if dfg.insts[inst].opcode() == ir::Opcode::IcmpImm
		\|\| dfg.insts[inst].opcode() == ir::Opcode::Icmp =>
		{
		1
		}
		_ => ty.bits().try_into().unwrap(),
		};
		let width = ty.bits().try_into().unwrap();
		Some(ast::Type { width })
		@@ -553,0 +565,0 @@ }

+1

-1

src/timing.rs

		@@ -294,3 +294,3 @@ //! Pass timing.
		let now = monotonic_instant();
		let duration = self.start.duration_since(now);
		let duration = now.duration_since(self.start);
		log::debug!("timing: Ending {}: {}ms", self.pass, duration.as_millis());
		@@ -297,0 +297,0 @@ let old_cur = CURRENT_PASS.with(\|p\| p.replace(self.prev));

Cargo.toml.orig

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src/ir/dfg.rs

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src/isa/aarch64/inst.isle

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src/isa/riscv64/inst.isle

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src/isa/s390x/inst/emit.rs

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src/isa/s390x/inst/mod.rs

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