{"id":2215639,"url":"http://patchwork.ozlabs.org/api/patches/2215639/?format=json","web_url":"http://patchwork.ozlabs.org/project/gcc/patch/20260324231418.3118-2-gerris.rs@gmail.com/","project":{"id":17,"url":"http://patchwork.ozlabs.org/api/projects/17/?format=json","name":"GNU Compiler Collection","link_name":"gcc","list_id":"gcc-patches.gcc.gnu.org","list_email":"gcc-patches@gcc.gnu.org","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260324231418.3118-2-gerris.rs@gmail.com>","list_archive_url":null,"date":"2026-03-24T23:14:18","name":"[gccrs,COMMIT,2/2] intrinsic: Add separated tests for each type","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"8c6f482822d63456842edb39a318766606f78a16","submitter":{"id":92092,"url":"http://patchwork.ozlabs.org/api/people/92092/?format=json","name":null,"email":"gerris.rs@gmail.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/gcc/patch/20260324231418.3118-2-gerris.rs@gmail.com/mbox/","series":[{"id":497359,"url":"http://patchwork.ozlabs.org/api/series/497359/?format=json","web_url":"http://patchwork.ozlabs.org/project/gcc/list/?series=497359","date":"2026-03-24T23:14:18","name":"[gccrs,COMMIT,1/2] intrinsic: Add ctlz and ctlz_nonzero intrinsics","version":1,"mbox":"http://patchwork.ozlabs.org/series/497359/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2215639/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2215639/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":["incoming@patchwork.ozlabs.org","gcc-patches@gcc.gnu.org"],"Delivered-To":["patchwork-incoming@legolas.ozlabs.org","gcc-patches@gcc.gnu.org"],"Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=HGFTElTB;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org\n (client-ip=38.145.34.32; helo=vm01.sourceware.org;\n envelope-from=gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org;\n receiver=patchwork.ozlabs.org)","sourceware.org;\n\tdkim=pass (2048-bit key,\n unprotected) header.d=gmail.com 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","Subject":"[gccrs COMMIT 2/2] intrinsic: Add separated tests for each type","Date":"Tue, 24 Mar 2026 23:14:18 +0000","Message-ID":"<20260324231418.3118-2-gerris.rs@gmail.com>","X-Mailer":"git-send-email 2.43.0","In-Reply-To":"<20260324231418.3118-1-gerris.rs@gmail.com>","References":"<20260324231418.3118-1-gerris.rs@gmail.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-BeenThere":"gcc-patches@gcc.gnu.org","X-Mailman-Version":"2.1.30","Precedence":"list","List-Id":"Gcc-patches mailing list ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org"},"content":"From: Mohamed Ali \n\ngcc/testsuite/ChangeLog:\n\n\t* rust/execute/torture/ctlz_i16.rs: New test.\n\t* rust/execute/torture/ctlz_i32.rs: New test.\n\t* rust/execute/torture/ctlz_i64.rs: New test.\n\t* rust/execute/torture/ctlz_i8.rs: New test.\n\t* rust/execute/torture/ctlz_nonzero_i16.rs: New test.\n\t* rust/execute/torture/ctlz_nonzero_i32.rs: New test.\n\t* rust/execute/torture/ctlz_nonzero_i64.rs: New test.\n\t* rust/execute/torture/ctlz_nonzero_i8.rs: New test.\n\t* rust/execute/torture/ctlz_nonzero_u16.rs: New test.\n\t* rust/execute/torture/ctlz_nonzero_u32.rs: New test.\n\t* rust/execute/torture/ctlz_nonzero_u64.rs: New test.\n\t* rust/execute/torture/ctlz_nonzero_u8.rs: New test.\n\t* rust/execute/torture/ctlz_u16.rs: New test.\n\t* rust/execute/torture/ctlz_u32.rs: New test.\n\t* rust/execute/torture/ctlz_u64.rs: New test.\n\t* rust/execute/torture/ctlz_u8.rs: New test.\n\nSigned-off-by: Mohamed Ali \n---\nThis change was merged into the gccrs repository and is posted here for\nupstream visibility and potential drive-by review, as requested by GCC\nrelease managers.\nEach commit email contains a link to its details on github from where you can\nfind the Pull-Request and associated discussions.\n\n\nCommit on github: https://github.com/Rust-GCC/gccrs/commit/2889c50e2031a865b5704ef60f3463d0f8b05c31\n\nThe commit has been mentioned in the following pull-request(s):\n - https://github.com/Rust-GCC/gccrs/pull/4467\n\n .../rust/execute/torture/ctlz_i16.rs | 28 ++++++++++++++++++\n .../rust/execute/torture/ctlz_i32.rs | 28 ++++++++++++++++++\n .../rust/execute/torture/ctlz_i64.rs | 28 ++++++++++++++++++\n gcc/testsuite/rust/execute/torture/ctlz_i8.rs | 29 +++++++++++++++++++\n .../rust/execute/torture/ctlz_nonzero_i16.rs | 27 +++++++++++++++++\n .../rust/execute/torture/ctlz_nonzero_i32.rs | 27 +++++++++++++++++\n .../rust/execute/torture/ctlz_nonzero_i64.rs | 27 +++++++++++++++++\n .../rust/execute/torture/ctlz_nonzero_i8.rs | 27 +++++++++++++++++\n .../rust/execute/torture/ctlz_nonzero_u16.rs | 25 ++++++++++++++++\n .../rust/execute/torture/ctlz_nonzero_u32.rs | 25 ++++++++++++++++\n .../rust/execute/torture/ctlz_nonzero_u64.rs | 25 ++++++++++++++++\n .../rust/execute/torture/ctlz_nonzero_u8.rs | 25 ++++++++++++++++\n .../rust/execute/torture/ctlz_u16.rs | 26 +++++++++++++++++\n .../rust/execute/torture/ctlz_u32.rs | 26 +++++++++++++++++\n .../rust/execute/torture/ctlz_u64.rs | 26 +++++++++++++++++\n gcc/testsuite/rust/execute/torture/ctlz_u8.rs | 26 +++++++++++++++++\n 16 files changed, 425 insertions(+)\n create mode 100644 gcc/testsuite/rust/execute/torture/ctlz_i16.rs\n create mode 100644 gcc/testsuite/rust/execute/torture/ctlz_i32.rs\n create mode 100644 gcc/testsuite/rust/execute/torture/ctlz_i64.rs\n create mode 100644 gcc/testsuite/rust/execute/torture/ctlz_i8.rs\n create mode 100644 gcc/testsuite/rust/execute/torture/ctlz_nonzero_i16.rs\n create mode 100644 gcc/testsuite/rust/execute/torture/ctlz_nonzero_i32.rs\n create mode 100644 gcc/testsuite/rust/execute/torture/ctlz_nonzero_i64.rs\n create mode 100644 gcc/testsuite/rust/execute/torture/ctlz_nonzero_i8.rs\n create mode 100644 gcc/testsuite/rust/execute/torture/ctlz_nonzero_u16.rs\n create mode 100644 gcc/testsuite/rust/execute/torture/ctlz_nonzero_u32.rs\n create mode 100644 gcc/testsuite/rust/execute/torture/ctlz_nonzero_u64.rs\n create mode 100644 gcc/testsuite/rust/execute/torture/ctlz_nonzero_u8.rs\n create mode 100644 gcc/testsuite/rust/execute/torture/ctlz_u16.rs\n create mode 100644 gcc/testsuite/rust/execute/torture/ctlz_u32.rs\n create mode 100644 gcc/testsuite/rust/execute/torture/ctlz_u64.rs\n create mode 100644 gcc/testsuite/rust/execute/torture/ctlz_u8.rs","diff":"diff --git a/gcc/testsuite/rust/execute/torture/ctlz_i16.rs b/gcc/testsuite/rust/execute/torture/ctlz_i16.rs\nnew file mode 100644\nindex 000000000..90db2e531\n--- /dev/null\n+++ b/gcc/testsuite/rust/execute/torture/ctlz_i16.rs\n@@ -0,0 +1,28 @@\n+#![feature(no_core)]\n+#![no_core]\n+#![feature(intrinsics)]\n+#![feature(lang_items)]\n+\n+#[lang = \"sized\"]\n+pub trait Sized {}\n+\n+extern \"rust-intrinsic\" {\n+ pub fn ctlz(x: T) -> u32;\n+ pub fn abort() -> !;\n+}\n+\n+fn main() -> i32 {\n+ if ctlz(0i16) != 16 {\n+ abort();\n+ }\n+ // 1i16 = 0x0001: 15 leading zeros\n+ if ctlz(1i16) != 15 {\n+ abort();\n+ }\n+ // -1i16 = 0xFFFF: 0 leading zeros\n+ if ctlz(-1i16) != 0 {\n+ abort();\n+ }\n+\n+ 0\n+}\ndiff --git a/gcc/testsuite/rust/execute/torture/ctlz_i32.rs b/gcc/testsuite/rust/execute/torture/ctlz_i32.rs\nnew file mode 100644\nindex 000000000..d49668751\n--- /dev/null\n+++ b/gcc/testsuite/rust/execute/torture/ctlz_i32.rs\n@@ -0,0 +1,28 @@\n+#![feature(no_core)]\n+#![no_core]\n+#![feature(intrinsics)]\n+#![feature(lang_items)]\n+\n+#[lang = \"sized\"]\n+pub trait Sized {}\n+\n+extern \"rust-intrinsic\" {\n+ pub fn ctlz(x: T) -> u32;\n+ pub fn abort() -> !;\n+}\n+\n+fn main() -> i32 {\n+ if ctlz(0i32) != 32 {\n+ abort();\n+ }\n+ // 1i32 = 0x00000001: 31 leading zeros\n+ if ctlz(1i32) != 31 {\n+ abort();\n+ }\n+ // -1i32 = 0xFFFFFFFF: 0 leading zeros\n+ if ctlz(-1i32) != 0 {\n+ abort();\n+ }\n+\n+ 0\n+}\ndiff --git a/gcc/testsuite/rust/execute/torture/ctlz_i64.rs b/gcc/testsuite/rust/execute/torture/ctlz_i64.rs\nnew file mode 100644\nindex 000000000..feb4694d0\n--- /dev/null\n+++ b/gcc/testsuite/rust/execute/torture/ctlz_i64.rs\n@@ -0,0 +1,28 @@\n+#![feature(no_core)]\n+#![no_core]\n+#![feature(intrinsics)]\n+#![feature(lang_items)]\n+\n+#[lang = \"sized\"]\n+pub trait Sized {}\n+\n+extern \"rust-intrinsic\" {\n+ pub fn ctlz(x: T) -> u32;\n+ pub fn abort() -> !;\n+}\n+\n+fn main() -> i32 {\n+ if ctlz(0i64) != 64 {\n+ abort();\n+ }\n+ // 1i64 = 0x0000000000000001: 63 leading zeros\n+ if ctlz(1i64) != 63 {\n+ abort();\n+ }\n+ // -1i64 = 0xFFFFFFFFFFFFFFFF: 0 leading zeros\n+ if ctlz(-1i64) != 0 {\n+ abort();\n+ }\n+\n+ 0\n+}\ndiff --git a/gcc/testsuite/rust/execute/torture/ctlz_i8.rs b/gcc/testsuite/rust/execute/torture/ctlz_i8.rs\nnew file mode 100644\nindex 000000000..204999f60\n--- /dev/null\n+++ b/gcc/testsuite/rust/execute/torture/ctlz_i8.rs\n@@ -0,0 +1,29 @@\n+#![feature(no_core)]\n+#![no_core]\n+#![feature(intrinsics)]\n+#![feature(lang_items)]\n+\n+#[lang = \"sized\"]\n+pub trait Sized {}\n+\n+extern \"rust-intrinsic\" {\n+ pub fn ctlz(x: T) -> u32;\n+ pub fn abort() -> !;\n+}\n+\n+fn main() -> i32 {\n+ // 0i8 has all 8 bits zero\n+ if ctlz(0i8) != 8 {\n+ abort();\n+ }\n+ // 1i8 = 0x01: 7 leading zeros\n+ if ctlz(1i8) != 7 {\n+ abort();\n+ }\n+ // -1i8 = 0xFF in two's complement: all bits set, 0 leading zeros\n+ if ctlz(-1i8) != 0 {\n+ abort();\n+ }\n+\n+ 0\n+}\ndiff --git a/gcc/testsuite/rust/execute/torture/ctlz_nonzero_i16.rs b/gcc/testsuite/rust/execute/torture/ctlz_nonzero_i16.rs\nnew file mode 100644\nindex 000000000..e8593ab22\n--- /dev/null\n+++ b/gcc/testsuite/rust/execute/torture/ctlz_nonzero_i16.rs\n@@ -0,0 +1,27 @@\n+#![feature(no_core)]\n+#![no_core]\n+#![feature(intrinsics)]\n+#![feature(lang_items)]\n+\n+#[lang = \"sized\"]\n+pub trait Sized {}\n+\n+extern \"rust-intrinsic\" {\n+ pub fn ctlz_nonzero(x: T) -> u32;\n+ pub fn abort() -> !;\n+}\n+\n+fn main() -> i32 {\n+ unsafe {\n+ // 1i16 = 0x0001: 15 leading zeros\n+ if ctlz_nonzero(1i16) != 15 {\n+ abort();\n+ }\n+ // -1i16 = 0xFFFF: 0 leading zeros\n+ if ctlz_nonzero(-1i16) != 0 {\n+ abort();\n+ }\n+ }\n+\n+ 0\n+}\ndiff --git a/gcc/testsuite/rust/execute/torture/ctlz_nonzero_i32.rs b/gcc/testsuite/rust/execute/torture/ctlz_nonzero_i32.rs\nnew file mode 100644\nindex 000000000..2c5afd3c1\n--- /dev/null\n+++ b/gcc/testsuite/rust/execute/torture/ctlz_nonzero_i32.rs\n@@ -0,0 +1,27 @@\n+#![feature(no_core)]\n+#![no_core]\n+#![feature(intrinsics)]\n+#![feature(lang_items)]\n+\n+#[lang = \"sized\"]\n+pub trait Sized {}\n+\n+extern \"rust-intrinsic\" {\n+ pub fn ctlz_nonzero(x: T) -> u32;\n+ pub fn abort() -> !;\n+}\n+\n+fn main() -> i32 {\n+ unsafe {\n+ // 1i32 = 0x00000001: 31 leading zeros\n+ if ctlz_nonzero(1i32) != 31 {\n+ abort();\n+ }\n+ // -1i32 = 0xFFFFFFFF: 0 leading zeros\n+ if ctlz_nonzero(-1i32) != 0 {\n+ abort();\n+ }\n+ }\n+\n+ 0\n+}\ndiff --git a/gcc/testsuite/rust/execute/torture/ctlz_nonzero_i64.rs b/gcc/testsuite/rust/execute/torture/ctlz_nonzero_i64.rs\nnew file mode 100644\nindex 000000000..b34f4ca16\n--- /dev/null\n+++ b/gcc/testsuite/rust/execute/torture/ctlz_nonzero_i64.rs\n@@ -0,0 +1,27 @@\n+#![feature(no_core)]\n+#![no_core]\n+#![feature(intrinsics)]\n+#![feature(lang_items)]\n+\n+#[lang = \"sized\"]\n+pub trait Sized {}\n+\n+extern \"rust-intrinsic\" {\n+ pub fn ctlz_nonzero(x: T) -> u32;\n+ pub fn abort() -> !;\n+}\n+\n+fn main() -> i32 {\n+ unsafe {\n+ // 1i64 = 0x0000000000000001: 63 leading zeros\n+ if ctlz_nonzero(1i64) != 63 {\n+ abort();\n+ }\n+ // -1i64 = 0xFFFFFFFFFFFFFFFF: 0 leading zeros\n+ if ctlz_nonzero(-1i64) != 0 {\n+ abort();\n+ }\n+ }\n+\n+ 0\n+}\ndiff --git a/gcc/testsuite/rust/execute/torture/ctlz_nonzero_i8.rs b/gcc/testsuite/rust/execute/torture/ctlz_nonzero_i8.rs\nnew file mode 100644\nindex 000000000..0f6c7f0c9\n--- /dev/null\n+++ b/gcc/testsuite/rust/execute/torture/ctlz_nonzero_i8.rs\n@@ -0,0 +1,27 @@\n+#![feature(no_core)]\n+#![no_core]\n+#![feature(intrinsics)]\n+#![feature(lang_items)]\n+\n+#[lang = \"sized\"]\n+pub trait Sized {}\n+\n+extern \"rust-intrinsic\" {\n+ pub fn ctlz_nonzero(x: T) -> u32;\n+ pub fn abort() -> !;\n+}\n+\n+fn main() -> i32 {\n+ unsafe {\n+ // 1i8 = 0x01: 7 leading zeros\n+ if ctlz_nonzero(1i8) != 7 {\n+ abort();\n+ }\n+ // -1i8 = 0xFF: 0 leading zeros\n+ if ctlz_nonzero(-1i8) != 0 {\n+ abort();\n+ }\n+ }\n+\n+ 0\n+}\ndiff --git a/gcc/testsuite/rust/execute/torture/ctlz_nonzero_u16.rs b/gcc/testsuite/rust/execute/torture/ctlz_nonzero_u16.rs\nnew file mode 100644\nindex 000000000..da0521c1c\n--- /dev/null\n+++ b/gcc/testsuite/rust/execute/torture/ctlz_nonzero_u16.rs\n@@ -0,0 +1,25 @@\n+#![feature(no_core)]\n+#![no_core]\n+#![feature(intrinsics)]\n+#![feature(lang_items)]\n+\n+#[lang = \"sized\"]\n+pub trait Sized {}\n+\n+extern \"rust-intrinsic\" {\n+ pub fn ctlz_nonzero(x: T) -> u32;\n+ pub fn abort() -> !;\n+}\n+\n+fn main() -> i32 {\n+ unsafe {\n+ if ctlz_nonzero(1u16) != 15 {\n+ abort();\n+ }\n+ if ctlz_nonzero(0xFFFFu16) != 0 {\n+ abort();\n+ }\n+ }\n+\n+ 0\n+}\ndiff --git a/gcc/testsuite/rust/execute/torture/ctlz_nonzero_u32.rs b/gcc/testsuite/rust/execute/torture/ctlz_nonzero_u32.rs\nnew file mode 100644\nindex 000000000..b1224067b\n--- /dev/null\n+++ b/gcc/testsuite/rust/execute/torture/ctlz_nonzero_u32.rs\n@@ -0,0 +1,25 @@\n+#![feature(no_core)]\n+#![no_core]\n+#![feature(intrinsics)]\n+#![feature(lang_items)]\n+\n+#[lang = \"sized\"]\n+pub trait Sized {}\n+\n+extern \"rust-intrinsic\" {\n+ pub fn ctlz_nonzero(x: T) -> u32;\n+ pub fn abort() -> !;\n+}\n+\n+fn main() -> i32 {\n+ unsafe {\n+ if ctlz_nonzero(1u32) != 31 {\n+ abort();\n+ }\n+ if ctlz_nonzero(0xFFFFFFFFu32) != 0 {\n+ abort();\n+ }\n+ }\n+\n+ 0\n+}\ndiff --git a/gcc/testsuite/rust/execute/torture/ctlz_nonzero_u64.rs b/gcc/testsuite/rust/execute/torture/ctlz_nonzero_u64.rs\nnew file mode 100644\nindex 000000000..9297c9d50\n--- /dev/null\n+++ b/gcc/testsuite/rust/execute/torture/ctlz_nonzero_u64.rs\n@@ -0,0 +1,25 @@\n+#![feature(no_core)]\n+#![no_core]\n+#![feature(intrinsics)]\n+#![feature(lang_items)]\n+\n+#[lang = \"sized\"]\n+pub trait Sized {}\n+\n+extern \"rust-intrinsic\" {\n+ pub fn ctlz_nonzero(x: T) -> u32;\n+ pub fn abort() -> !;\n+}\n+\n+fn main() -> i32 {\n+ unsafe {\n+ if ctlz_nonzero(1u64) != 63 {\n+ abort();\n+ }\n+ if ctlz_nonzero(!0u64) != 0 {\n+ abort();\n+ }\n+ }\n+\n+ 0\n+}\ndiff --git a/gcc/testsuite/rust/execute/torture/ctlz_nonzero_u8.rs b/gcc/testsuite/rust/execute/torture/ctlz_nonzero_u8.rs\nnew file mode 100644\nindex 000000000..d7baa555a\n--- /dev/null\n+++ b/gcc/testsuite/rust/execute/torture/ctlz_nonzero_u8.rs\n@@ -0,0 +1,25 @@\n+#![feature(no_core)]\n+#![no_core]\n+#![feature(intrinsics)]\n+#![feature(lang_items)]\n+\n+#[lang = \"sized\"]\n+pub trait Sized {}\n+\n+extern \"rust-intrinsic\" {\n+ pub fn ctlz_nonzero(x: T) -> u32;\n+ pub fn abort() -> !;\n+}\n+\n+fn main() -> i32 {\n+ unsafe {\n+ if ctlz_nonzero(1u8) != 7 {\n+ abort();\n+ }\n+ if ctlz_nonzero(255u8) != 0 {\n+ abort();\n+ }\n+ }\n+\n+ 0\n+}\ndiff --git a/gcc/testsuite/rust/execute/torture/ctlz_u16.rs b/gcc/testsuite/rust/execute/torture/ctlz_u16.rs\nnew file mode 100644\nindex 000000000..ded1b7458\n--- /dev/null\n+++ b/gcc/testsuite/rust/execute/torture/ctlz_u16.rs\n@@ -0,0 +1,26 @@\n+#![feature(no_core)]\n+#![no_core]\n+#![feature(intrinsics)]\n+#![feature(lang_items)]\n+\n+#[lang = \"sized\"]\n+pub trait Sized {}\n+\n+extern \"rust-intrinsic\" {\n+ pub fn ctlz(x: T) -> u32;\n+ pub fn abort() -> !;\n+}\n+\n+fn main() -> i32 {\n+ if ctlz(0u16) != 16 {\n+ abort();\n+ }\n+ if ctlz(1u16) != 15 {\n+ abort();\n+ }\n+ if ctlz(0xFFFFu16) != 0 {\n+ abort();\n+ }\n+\n+ 0\n+}\ndiff --git a/gcc/testsuite/rust/execute/torture/ctlz_u32.rs b/gcc/testsuite/rust/execute/torture/ctlz_u32.rs\nnew file mode 100644\nindex 000000000..cb0b20cb3\n--- /dev/null\n+++ b/gcc/testsuite/rust/execute/torture/ctlz_u32.rs\n@@ -0,0 +1,26 @@\n+#![feature(no_core)]\n+#![no_core]\n+#![feature(intrinsics)]\n+#![feature(lang_items)]\n+\n+#[lang = \"sized\"]\n+pub trait Sized {}\n+\n+extern \"rust-intrinsic\" {\n+ pub fn ctlz(x: T) -> u32;\n+ pub fn abort() -> !;\n+}\n+\n+fn main() -> i32 {\n+ if ctlz(0u32) != 32 {\n+ abort();\n+ }\n+ if ctlz(1u32) != 31 {\n+ abort();\n+ }\n+ if ctlz(0xFFFFFFFFu32) != 0 {\n+ abort();\n+ }\n+\n+ 0\n+}\ndiff --git a/gcc/testsuite/rust/execute/torture/ctlz_u64.rs b/gcc/testsuite/rust/execute/torture/ctlz_u64.rs\nnew file mode 100644\nindex 000000000..bcf478e73\n--- /dev/null\n+++ b/gcc/testsuite/rust/execute/torture/ctlz_u64.rs\n@@ -0,0 +1,26 @@\n+#![feature(no_core)]\n+#![no_core]\n+#![feature(intrinsics)]\n+#![feature(lang_items)]\n+\n+#[lang = \"sized\"]\n+pub trait Sized {}\n+\n+extern \"rust-intrinsic\" {\n+ pub fn ctlz(x: T) -> u32;\n+ pub fn abort() -> !;\n+}\n+\n+fn main() -> i32 {\n+ if ctlz(0u64) != 64 {\n+ abort();\n+ }\n+ if ctlz(1u64) != 63 {\n+ abort();\n+ }\n+ if ctlz(!0u64) != 0 {\n+ abort();\n+ }\n+\n+ 0\n+}\ndiff --git a/gcc/testsuite/rust/execute/torture/ctlz_u8.rs b/gcc/testsuite/rust/execute/torture/ctlz_u8.rs\nnew file mode 100644\nindex 000000000..8907a86cb\n--- /dev/null\n+++ b/gcc/testsuite/rust/execute/torture/ctlz_u8.rs\n@@ -0,0 +1,26 @@\n+#![feature(no_core)]\n+#![no_core]\n+#![feature(intrinsics)]\n+#![feature(lang_items)]\n+\n+#[lang = \"sized\"]\n+pub trait Sized {}\n+\n+extern \"rust-intrinsic\" {\n+ pub fn ctlz(x: T) -> u32;\n+ pub fn abort() -> !;\n+}\n+\n+fn main() -> i32 {\n+ if ctlz(0u8) != 8 {\n+ abort();\n+ }\n+ if ctlz(1u8) != 7 {\n+ abort();\n+ }\n+ if ctlz(255u8) != 0 {\n+ abort();\n+ }\n+\n+ 0\n+}\n","prefixes":["gccrs","COMMIT","2/2"]}