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36 Commits

Author SHA1 Message Date
Patrick Walton
449ebeea08 librustc: De-@mut the AST map 2014-01-03 14:01:58 -08:00
Peter Zotov
f98f83a15d Implement volatile_load and volatile_store intrinsics. 2013-12-31 02:54:25 +04:00
Patrick Walton
7437a56f3b librustc: De-@mut FunctionContext::entry_bcx 2013-12-26 15:54:30 -08:00
Patrick Walton
5b0401f0e8 librustc: De-@mut FunctionContext::llretptr 2013-12-26 15:54:29 -08:00
Patrick Walton
b941677ea3 librustc: De-@mut the crate context 2013-12-26 13:01:26 -08:00
Patrick Walton
c9432327c4 librustc: Change @mut Block to @Block. 2013-12-26 13:01:21 -08:00
Jack Moffitt
b349036e5f Make crate hash stable and externally computable. 
This replaces the link meta attributes with a pkgid attribute and uses a hash
of this as the crate hash. This makes the crate hash computable by things
other than the Rust compiler. It also switches the hash function ot SHA1 since
that is much more likely to be available in shell, Python, etc than SipHash.

Fixes #10188, #8523.
 2013-12-10 17:04:24 -07:00
Corey Richardson
572635b76f Wrap the return value of the type_id intrinsic in an opaque box 
Closes #10594
 2013-11-30 02:58:36 -05:00
Marvin Löbel
24b316a3b9 Removed unneccessary _iter suffixes from various APIs 2013-11-26 10:02:26 +01:00
Daniel Micay
bf61641e9f add a breakpoint intrinsic for debugging 
This can be used to grab the attention of a debugger, and unlike
`abort` execution can be resumed.
 2013-11-22 10:29:04 -05:00
Alex Crichton
7755ffd013 Remove #[fixed_stack_segment] and #[rust_stack] 
These two attributes are no longer useful now that Rust has decided to leave
segmented stacks behind. It is assumed that the rust task's stack is always
large enough to make an FFI call (due to the stack being very large).

There's always the case of stack overflow, however, to consider. This does not
change the behavior of stack overflow in Rust. This is still normally triggered
by the __morestack function and aborts the whole process.

C stack overflow will continue to corrupt the stack, however (as it did before
this commit as well). The future improvement of a guard page at the end of every
rust stack is still unimplemented and is intended to be the mechanism through
which we attempt to detect C stack overflow.

Closes #8822
Closes #10155
 2013-11-11 10:40:34 -08:00
Niko Matsakis
3d1f3f4de0 Rename misleading contains_managed to owns_managed 2013-11-05 15:51:18 -05:00
bors
4b04395c11 auto merge of #10182 : alexcrichton/rust/typeid-intrinsic, r=nikomatsakis 
This isn't quite as fancy as the struct in #9913, but I'm not sure we should be exposing crate names/hashes of the types. That being said, it'd be pretty easy to extend this (the deterministic hashing regardless of what crate you're in was the hard part).
 2013-11-04 19:21:50 -08:00
Daniel Micay
67966fa9de simplify memcpy/memmove/memset intrinsics 
This moves the per-architecture difference into the compiler.
 2013-11-03 20:31:57 -05:00
Daniel Micay
ddbd89b33e replace RetVoid with Unreachable to fix lint 
The function is marked `noreturn`, so it shouldn't return.
 2013-11-03 01:39:36 -05:00
Alex Crichton
61637439dc Add a type_id intrinsic 
Closes #9913
 2013-11-01 10:31:33 -07:00
Daniel Micay
ce54c34f02 drop unused frame_address intrinsic 
Closes #10001
 2013-10-24 00:42:29 -04:00
Alex Crichton
daf5f5a4d1 Drop the '2' suffix from logging macros 
Who doesn't like a massive renaming?
 2013-10-22 08:09:56 -07:00
Daniel Micay
462a28d003 fix the new floating point intrinsics 2013-10-21 14:26:07 -04:00
Daniel Micay
4533432612 expose new floating point intrinsics 
copysign, ring, nearbyint, round
 2013-10-21 04:17:03 -04:00
Daniel Micay
45e2cf39a2 add an abort intrinsic 
This should be preferred to the libc `abort` function.
 2013-10-14 22:45:43 -04:00
Daniel Micay
f504461a40 make C-like enums immediate 
This fixes two existing bugs along the way:

* The `transmute` intrinsic did not correctly handle casts of immediate
  aggregates like newtype structs and tuples.
* The code for calling foreign functions used the wrong type to create
  an `alloca` temporary

    enum Foo { A, B }
    fn foo() -> Foo { A }

Before:

    ; Function Attrs: nounwind uwtable
    define void @_ZN3foo18hbedc642d5d9cf5aag4v0.0E(%enum.Foo* noalias nocapture sret, { i64, %tydesc*, i8*, i8*, i8 }* nocapture readnone) #0 {
    "function top level":
      %2 = getelementptr inbounds %enum.Foo* %0, i64 0, i32 0
      store i64 0, i64* %2, align 8
      ret void
    }

After:

    ; Function Attrs: nounwind readnone uwtable
    define %enum.Foo @_ZN3foo18hbedc642d5d9cf5aag4v0.0E({ i64, %tydesc*, i8*, i8*, i8 }* nocapture readnone) #0 {
    "function top level":
      ret %enum.Foo zeroinitializer
    }
 2013-10-03 06:27:00 -04:00
bors
353578a7b3 auto merge of #9680 : thestinger/rust/overflow, r=huonw 
This is pointless, since it's just used to load an `undef` value and
never touched again.
 2013-10-02 12:11:39 -07:00
bors
c44826fdcd auto merge of #9677 : thestinger/rust/immediate, r=huonw 
C-like enums are excluded from this for now, because the code paths
specific to them need to be changed.

    fn foo() -> Option<~int> { Some(~5) }

Before:

    ; Function Attrs: uwtable
    define void @_ZN3foo18hdec6e36682b87eeaf4v0.0E(%"enum.std::option::Option<~int>[#1]"* noalias nocapture sret, { i64, %tydesc*, i8*, i8*, i8 }* nocapture readnone) #0 {
    "function top level":
      %2 = tail call %"enum.std::libc::types::common::c95::c_void[#1]"* @"_ZN2rt11global_heap10malloc_raw17h56c543b77f9b78aY11v0.9$x2dpreE"({ i64, %tydesc*, i8*, i8*, i8 }* undef, i64 8)
      %3 = bitcast %"enum.std::libc::types::common::c95::c_void[#1]"* %2 to i64*
      store i64 5, i64* %3, align 8
      %4 = getelementptr inbounds %"enum.std::option::Option<~int>[#1]"* %0, i64 0, i32 0
      store i64* %3, i64** %4, align 8
      ret void
    }

After:

    ; Function Attrs: uwtable
    define %"enum.std::option::Option<~int>[#1]" @_ZN3foo18h2cbf6557a3143edah4v0.0E({ i64, %tydesc*, i8*, i8*, i8 }* nocapture readnone) #0 {
    "function top level":
      %1 = tail call %"enum.std::libc::types::common::c95::c_void[#1]"* @"_ZN2rt11global_heap10malloc_raw18hb1e9dd1beab35edau11v0.9$x2dpreE"({ i64, %tydesc*, i8*, i8*, i8 }* undef, i64 8)
      %2 = bitcast %"enum.std::libc::types::common::c95::c_void[#1]"* %1 to i64*
      store i64 5, i64* %2, align 8
      %oldret = insertvalue %"enum.std::option::Option<~int>[#1]" undef, i64* %2, 0
      ret %"enum.std::option::Option<~int>[#1]" %oldret
    }
 2013-10-02 07:56:36 -07:00
Daniel Micay
abe648d608 treat uninhabited enums as voidish 2013-10-02 10:02:52 -04:00
Daniel Micay
ee114b6cb1 avoid alloca in with_overflow intrinsics 
This is pointless, since it's just used to load an `undef` value and
never touched again.
 2013-10-02 08:53:47 -04:00
bors
97cd495aca auto merge of #9638 : pnkfelix/rust/fsk-issue7526-attempt-to-catch-nonuc-statics-in-match-patterns, r=alexcrichton 
r? anyone

Address scariest part of #7526 by adding a new more specific lint (that is set to warn by default, rather than allow).
 2013-10-02 01:16:31 -07:00
bors
33a5928b46 auto merge of #9656 : thestinger/rust/immediate, r=alexcrichton 
fn foo() -> (u32, u8, u8, u8, u8) {
        (4, 5, 6, 7, 8)
    }

Before:

    ; Function Attrs: nounwind uwtable
    define void @_ZN3foo18hbb616262f874f8daf4v0.0E({ i32, i8, i8, i8, i8 }* noalias nocapture sret, { i64, %tydesc*, i8*, i8*, i8 }* nocapture readnone) #0 {
    "function top level":
      %2 = getelementptr inbounds { i32, i8, i8, i8, i8 }* %0, i64 0, i32 0
      store i32 4, i32* %2, align 4
      %3 = getelementptr inbounds { i32, i8, i8, i8, i8 }* %0, i64 0, i32 1
      store i8 5, i8* %3, align 4
      %4 = getelementptr inbounds { i32, i8, i8, i8, i8 }* %0, i64 0, i32 2
      store i8 6, i8* %4, align 1
      %5 = getelementptr inbounds { i32, i8, i8, i8, i8 }* %0, i64 0, i32 3
      store i8 7, i8* %5, align 2
      %6 = getelementptr inbounds { i32, i8, i8, i8, i8 }* %0, i64 0, i32 4
      store i8 8, i8* %6, align 1
      ret void
    }

After:

    ; Function Attrs: nounwind readnone uwtable
    define { i32, i8, i8, i8, i8 } @_ZN3foo18hbb616262f874f8daf4v0.0E({ i64, %tydesc*, i8*, i8*, i8 }* nocapture readnone) #0 {
    "function top level":
      ret { i32, i8, i8, i8, i8 } { i32 4, i8 5, i8 6, i8 7, i8 8 }
    }
 2013-10-01 21:56:27 -07:00
Daniel Micay
5e4ae4f45f make small (<= size_of::<int>()) tuples immediate 
fn foo() -> (u32, u8, u8, u8, u8) {
        (4, 5, 6, 7, 8)
    }

Before:

    ; Function Attrs: nounwind uwtable
    define void @_ZN3foo18hbb616262f874f8daf4v0.0E({ i32, i8, i8, i8, i8 }* noalias nocapture sret, { i64, %tydesc*, i8*, i8*, i8 }* nocapture readnone) #0 {
    "function top level":
      %2 = getelementptr inbounds { i32, i8, i8, i8, i8 }* %0, i64 0, i32 0
      store i32 4, i32* %2, align 4
      %3 = getelementptr inbounds { i32, i8, i8, i8, i8 }* %0, i64 0, i32 1
      store i8 5, i8* %3, align 4
      %4 = getelementptr inbounds { i32, i8, i8, i8, i8 }* %0, i64 0, i32 2
      store i8 6, i8* %4, align 1
      %5 = getelementptr inbounds { i32, i8, i8, i8, i8 }* %0, i64 0, i32 3
      store i8 7, i8* %5, align 2
      %6 = getelementptr inbounds { i32, i8, i8, i8, i8 }* %0, i64 0, i32 4
      store i8 8, i8* %6, align 1
      ret void
    }

After:

    ; Function Attrs: nounwind readnone uwtable
    define { i32, i8, i8, i8, i8 } @_ZN3foo18hbb616262f874f8daf4v0.0E({ i64, %tydesc*, i8*, i8*, i8 }* nocapture readnone) #0 {
    "function top level":
      ret { i32, i8, i8, i8, i8 } { i32 4, i8 5, i8 6, i8 7, i8 8 }
    }
 2013-10-01 02:57:59 -04:00
Alex Crichton
1b80558be3 rustc: Remove usage of fmt! 2013-09-30 23:21:19 -07:00
Felix S. Klock II
a076fef2b6 Add new lint: non_uppercase_pattern_statics, for #7526. 
This tries to warn about code like:
    ```rust
    match (0,0) {
        (0, aha) => { ... },
        ...
    }
    ```
where `aha` is actually a static constant, not a binding.
 2013-10-01 01:44:25 +02:00
Daniel Micay
11b7109b7b rm only use of type_is_immediate outside of trans 2013-09-30 18:16:35 -04:00
blake2-ppc
f4d8d8c122 trans::build: Change @mut Block to &Block or &mut Block 
Use &mut Block and &Block references where possible in the builder
functions in trans::build.

@mut Block remains in a few functions where I could not (not yet at
least) track down the runtime borrowck failures.
 2013-09-30 19:37:22 +02:00
Daniel Micay
6d0a847c3a teach Call/CallWithConv to set attributes 2013-09-15 23:34:11 -04:00
Daniel Micay
2dec95e417 ptr: fix offset intrinsic 
This was intended to always use inbounds pointer arithmetic now.
 2013-09-13 17:14:24 -04:00
Niko Matsakis
303f650ecf Issue #3678: Remove wrappers and call foreign functions directly 2013-08-19 07:13:15 -04:00