Merge pull request #1894 from madhav-madhusoodanan/intrinsic-test-x86-addition

`intrinsic-test`: Adding x86 behavioural testing.

Author: folkertdev

library/stdarch/.github/workflows/main.yml

@@ -260,6 +260,7 @@ jobs:
           - aarch64_be-unknown-linux-gnu
           - armv7-unknown-linux-gnueabihf
           - arm-unknown-linux-gnueabihf
+          - x86_64-unknown-linux-gnu
         profile: [dev, release]
         include:
           - target: aarch64_be-unknown-linux-gnu

library/stdarch/Cargo.lock

@@ -347,8 +347,11 @@ dependencies = [
  "itertools",
  "log",
  "pretty_env_logger",
+ "quick-xml 0.37.5",
  "rayon",
+ "regex",
  "serde",
+ "serde-xml-rs",
  "serde_json",
 ]
 
@@ -452,6 +455,16 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "quick-xml"
+version = "0.37.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "331e97a1af0bf59823e6eadffe373d7b27f485be8748f71471c662c1f269b7fb"
+dependencies = [
+ "memchr",
+ "serde",
+]
+
 [[package]]
 name = "quickcheck"
 version = "1.0.3"
@@ -587,6 +600,18 @@ dependencies = [
  "serde_derive",
 ]
 
+[[package]]
+name = "serde-xml-rs"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "53630160a98edebde0123eb4dfd0fce6adff091b2305db3154a9e920206eb510"
+dependencies = [
+ "log",
+ "serde",
+ "thiserror",
+ "xml-rs",
+]
+
 [[package]]
 name = "serde_derive"
 version = "1.0.219"
@@ -698,7 +723,7 @@ name = "stdarch-verify"
 version = "0.1.0"
 dependencies = [
  "proc-macro2",
- "quick-xml",
+ "quick-xml 0.33.0",
  "quote",
  "serde",
  "serde_json",
@@ -746,6 +771,26 @@ dependencies = [
  "winapi-util",
 ]
 
+[[package]]
+name = "thiserror"
+version = "1.0.69"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52"
+dependencies = [
+ "thiserror-impl",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.69"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.18"
@@ -958,6 +1003,12 @@ version = "0.53.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "271414315aff87387382ec3d271b52d7ae78726f5d44ac98b4f4030c91880486"
 
+[[package]]
+name = "xml-rs"
+version = "0.8.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fd8403733700263c6eb89f192880191f1b83e332f7a20371ddcf421c4a337c7"
+
 [[package]]
 name = "yaml-rust"
 version = "0.4.5"

library/stdarch/ci/docker/x86_64-unknown-linux-gnu/Dockerfile

@@ -6,7 +6,11 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   make \
   ca-certificates \
   wget \
-  xz-utils
+  xz-utils \
+  clang \
+  libstdc++-14-dev \
+  build-essential \
+  lld
 
 RUN wget http://ci-mirrors.rust-lang.org/stdarch/sde-external-9.58.0-2025-06-16-lin.tar.xz -O sde.tar.xz
 RUN mkdir intel-sde

library/stdarch/ci/intrinsic-test.sh

@@ -66,6 +66,14 @@ case ${TARGET} in
         TEST_CXX_COMPILER="clang++"
         TEST_RUNNER="${CARGO_TARGET_ARMV7_UNKNOWN_LINUX_GNUEABIHF_RUNNER}"
         ;;
+
+    x86_64-unknown-linux-gnu*)
+        TEST_CPPFLAGS="-fuse-ld=lld -I/usr/include/x86_64-linux-gnu/"
+        TEST_CXX_COMPILER="clang++"
+        TEST_RUNNER="${CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_RUNNER}"
+        TEST_SKIP_INTRINSICS=crates/intrinsic-test/missing_x86.txt
+        TEST_SAMPLE_INTRINSICS_PERCENTAGE=5
+        ;;
     *)
         ;;
 
@@ -94,6 +102,22 @@ case "${TARGET}" in
             --linker "${CARGO_TARGET_AARCH64_BE_UNKNOWN_LINUX_GNU_LINKER}" \
             --cxx-toolchain-dir "${AARCH64_BE_TOOLCHAIN}"
         ;;
+
+    x86_64-unknown-linux-gnu*)
+        # `CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_RUNNER` is not necessary for `intrinsic-test`
+        # because the binary needs to run directly on the host.
+        # Hence the use of `env -u`.
+        env -u CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_RUNNER \
+            CPPFLAGS="${TEST_CPPFLAGS}" RUSTFLAGS="${HOST_RUSTFLAGS}" \
+            RUST_LOG=warn RUST_BACKTRACE=1 \
+            cargo run "${INTRINSIC_TEST}" "${PROFILE}"  \
+            --bin intrinsic-test -- intrinsics_data/x86-intel.xml \
+            --runner "${TEST_RUNNER}" \
+            --skip "${TEST_SKIP_INTRINSICS}" \
+            --cppcompiler "${TEST_CXX_COMPILER}" \
+            --target "${TARGET}" \
+            --sample-percentage "${TEST_SAMPLE_INTRINSICS_PERCENTAGE}"
+        ;;
      *)
         ;;
 esac

library/stdarch/crates/intrinsic-test/Cargo.toml

@@ -19,3 +19,6 @@ pretty_env_logger = "0.5.0"
 rayon = "1.5.0"
 diff = "0.1.12"
 itertools = "0.14.0"
+quick-xml = { version = "0.37.5", features = ["serialize", "overlapped-lists"] }
+serde-xml-rs = "0.8.0"
+regex = "1.11.1"