Merge commit '39683d8eb7' into sync_cg_gcc-2022-03-26

compiler/rustc_codegen_gcc/tests/run/assign.rs

@@ -51,7 +51,7 @@ mod libc {
         pub fn fflush(stream: *mut i32) -> i32;
         pub fn printf(format: *const i8, ...) -> i32;
 
-        pub static STDOUT: *mut i32;
+        pub static stdout: *mut i32;
     }
 }
 
@@ -67,7 +67,7 @@ mod intrinsics {
 pub fn panic(_msg: &str) -> ! {
     unsafe {
         libc::puts("Panicking\0" as *const str as *const u8);
-        libc::fflush(libc::STDOUT);
+        libc::fflush(libc::stdout);
         intrinsics::abort();
     }
 }

compiler/rustc_codegen_gcc/tests/run/int.rs

@@ -0,0 +1,153 @@
+// Compiler:
+//
+// Run-time:
+//   status: 0
+
+#![feature(arbitrary_self_types, auto_traits, core_intrinsics, lang_items, start, intrinsics)]
+
+#![no_std]
+
+mod intrinsics {
+    extern "rust-intrinsic" {
+        pub fn abort() -> !;
+    }
+}
+
+/*
+ * Core
+ */
+
+mod libc {
+    #[link(name = "c")]
+    extern "C" {
+        pub fn puts(s: *const u8) -> i32;
+    }
+}
+
+#[panic_handler]
+fn panic_handler(_: &core::panic::PanicInfo) -> ! {
+    unsafe {
+        core::intrinsics::abort();
+    }
+}
+
+/*
+ * Code
+ */
+
+#[start]
+fn main(argc: isize, _argv: *const *const u8) -> isize {
+    let var = 134217856_u128;
+    let var2 = 10475372733397991552_u128;
+    let var3 = 193236519889708027473620326106273939584_u128;
+    let var4 = 123236519889708027473620326106273939584_u128;
+    let var5 = 153236519889708027473620326106273939584_u128;
+    let var6 = 18446744073709551616_i128;
+    let var7 = 170141183460469231731687303715884105728_u128;
+
+    // Shifts.
+    assert_eq!(var << (argc as u128 - 1), var);
+    assert_eq!(var << argc as u128, 268435712);
+    assert_eq!(var << (argc + 32) as u128, 1152922604118474752);
+    assert_eq!(var << (argc + 48) as u128, 75557935783508361347072);
+    assert_eq!(var << (argc + 60) as u128, 309485304969250248077606912);
+    assert_eq!(var << (argc + 62) as u128, 1237941219877000992310427648);
+    assert_eq!(var << (argc + 63) as u128, 2475882439754001984620855296);
+    assert_eq!(var << (argc + 80) as u128, 324518863143436548128224745357312);
+
+    assert_eq!(var2 << argc as u128, 20950745466795983104);
+    assert_eq!(var2 << (argc as u128 - 1), var2);
+    assert_eq!(var2 << (argc + 32) as u128, 89982766606709001335848566784);
+    assert_eq!(var2 << (argc + 48) as u128, 5897110592337281111546171672756224);
+    assert_eq!(var2 << (argc + 60) as u128, 24154564986213503432893119171609493504);
+    assert_eq!(var2 << (argc + 62) as u128, 96618259944854013731572476686437974016);
+    assert_eq!(var2 << (argc + 63) as u128, 193236519889708027463144953372875948032);
+
+    assert_eq!(var3 << argc as u128, 46190672858477591483866044780779667712);
+    assert_eq!(var3 << (argc as u128 - 1), var3);
+    assert_eq!(var3 << (argc + 32) as u128, 21267668304951024224840338247585366016);
+    assert_eq!(var3 << (argc + 48) as u128, 1335125106377253154015353231953100800);
+    assert_eq!(var3 << (argc + 60) as u128, 24154564986213503432893119171609493504);
+    assert_eq!(var3 << (argc + 62) as u128, 96618259944854013731572476686437974016);
+    assert_eq!(var3 << (argc + 63) as u128, 193236519889708027463144953372875948032);
+
+    assert_eq!((2220326408_u32 + argc as u32) >> (32 - 6), 33);
+
+    assert_eq!(var >> (argc as u128 - 1), var);
+    assert_eq!(var >> argc as u128, 67108928);
+    assert_eq!(var >> (argc + 32) as u128, 0);
+    assert_eq!(var >> (argc + 48) as u128, 0);
+    assert_eq!(var >> (argc + 60) as u128, 0);
+    assert_eq!(var >> (argc + 62) as u128, 0);
+    assert_eq!(var >> (argc + 63) as u128, 0);
+
+    assert_eq!(var2 >> argc as u128, 5237686366698995776);
+    assert_eq!(var2 >> (argc as u128 - 1), var2);
+    assert_eq!(var2 >> (argc + 32) as u128, 1219493888);
+    assert_eq!(var2 >> (argc + 48) as u128, 18608);
+    assert_eq!(var2 >> (argc + 60) as u128, 4);
+    assert_eq!(var2 >> (argc + 62) as u128, 1);
+    assert_eq!(var2 >> (argc + 63) as u128, 0);
+
+    assert_eq!(var3 >> (argc as u128 - 1), var3);
+    assert_eq!(var3 >> argc as u128, 96618259944854013736810163053136969792);
+    assert_eq!(var3 >> (argc + 32) as u128, 22495691651677250335181635584);
+    assert_eq!(var3 >> (argc + 48) as u128, 343257013727985387194544);
+    assert_eq!(var3 >> (argc + 60) as u128, 83802981867183932420);
+    assert_eq!(var3 >> (argc + 62) as u128, 20950745466795983105);
+    assert_eq!(var3 >> (argc + 63) as u128, 10475372733397991552);
+    assert_eq!(var3 >> (argc + 80) as u128, 79920751444992);
+
+    assert_eq!(var6 >> argc as u128, 9223372036854775808);
+    assert_eq!((var6 - 1) >> argc as u128, 9223372036854775807);
+    assert_eq!(var7 >> argc as u128, 85070591730234615865843651857942052864);
+
+    // Casts
+    assert_eq!((var >> (argc + 32) as u128) as u64, 0);
+    assert_eq!((var >> argc as u128) as u64, 67108928);
+
+    // Addition.
+    assert_eq!(var + argc as u128, 134217857);
+
+    assert_eq!(var2 + argc as u128, 10475372733397991553);
+    assert_eq!(var2 + (var2 + argc as u128) as u128, 20950745466795983105);
+
+    assert_eq!(var3 + argc as u128, 193236519889708027473620326106273939585);
+
+    // Subtraction
+    assert_eq!(var - argc as u128, 134217855);
+
+    assert_eq!(var2 - argc as u128, 10475372733397991551);
+
+    assert_eq!(var3 - argc as u128, 193236519889708027473620326106273939583);
+
+    // Multiplication
+    assert_eq!(var * (argc + 1) as u128, 268435712);
+    assert_eq!(var * (argc as u128 + var2), 1405982069077538020949770368);
+
+    assert_eq!(var2 * (argc + 1) as u128, 20950745466795983104);
+    assert_eq!(var2 * (argc as u128 + var2), 109733433903618109003204073240861360256);
+
+    assert_eq!(var3 * argc as u128, 193236519889708027473620326106273939584);
+
+    assert_eq!(var4 * (argc + 1) as u128, 246473039779416054947240652212547879168);
+
+    assert_eq!(var5 * (argc + 1) as u128, 306473039779416054947240652212547879168);
+
+    // Division.
+    assert_eq!(var / (argc + 1) as u128, 67108928);
+    assert_eq!(var / (argc + 2) as u128, 44739285);
+
+    assert_eq!(var2 / (argc + 1) as u128, 5237686366698995776);
+    assert_eq!(var2 / (argc + 2) as u128, 3491790911132663850);
+
+    assert_eq!(var3 / (argc + 1) as u128, 96618259944854013736810163053136969792);
+    assert_eq!(var3 / (argc + 2) as u128, 64412173296569342491206775368757979861);
+    assert_eq!(var3 / (argc as u128 + var4), 1);
+    assert_eq!(var3 / (argc as u128 + var2), 18446744073709551615);
+
+    assert_eq!(var4 / (argc + 1) as u128, 61618259944854013736810163053136969792);
+    assert_eq!(var4 / (argc + 2) as u128, 41078839963236009157873442035424646528);
+
+    0
+}

compiler/rustc_codegen_gcc/tests/run/int_overflow.rs

@@ -49,7 +49,7 @@ mod libc {
         pub fn puts(s: *const u8) -> i32;
         pub fn fflush(stream: *mut i32) -> i32;
 
-        pub static STDOUT: *mut i32;
+        pub static stdout: *mut i32;
     }
 }
 
@@ -65,7 +65,7 @@ mod intrinsics {
 pub fn panic(_msg: &str) -> ! {
     unsafe {
         libc::puts("Panicking\0" as *const str as *const u8);
-        libc::fflush(libc::STDOUT);
+        libc::fflush(libc::stdout);
         intrinsics::abort();
     }
 }

compiler/rustc_codegen_gcc/tests/run/mut_ref.rs

@@ -53,7 +53,7 @@ mod libc {
         pub fn fflush(stream: *mut i32) -> i32;
         pub fn printf(format: *const i8, ...) -> i32;
 
-        pub static STDOUT: *mut i32;
+        pub static stdout: *mut i32;
     }
 }
 
@@ -69,7 +69,7 @@ mod intrinsics {
 pub fn panic(_msg: &str) -> ! {
     unsafe {
         libc::puts("Panicking\0" as *const str as *const u8);
-        libc::fflush(libc::STDOUT);
+        libc::fflush(libc::stdout);
         intrinsics::abort();
     }
 }

compiler/rustc_codegen_gcc/tests/run/operations.rs

@@ -59,7 +59,7 @@ mod libc {
         pub fn puts(s: *const u8) -> i32;
         pub fn fflush(stream: *mut i32) -> i32;
 
-        pub static STDOUT: *mut i32;
+        pub static stdout: *mut i32;
     }
 }
 
@@ -75,7 +75,7 @@ mod intrinsics {
 pub fn panic(_msg: &str) -> ! {
     unsafe {
         libc::puts("Panicking\0" as *const str as *const u8);
-        libc::fflush(libc::STDOUT);
+        libc::fflush(libc::stdout);
         intrinsics::abort();
     }
 }

compiler/rustc_codegen_gcc/tests/run/static.rs

@@ -22,6 +22,12 @@
 #[lang = "sized"]
 pub trait Sized {}
 
+#[lang = "destruct"]
+pub trait Destruct {}
+
+#[lang = "drop"]
+pub trait Drop {}
+
 #[lang = "copy"]
 trait Copy {
 }