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Author SHA1 Message Date
Paolo Teti 28c57e7212 Add __ledf2vfp and __lesf2vfp 
Now that `73884ae` is in some nightly release We can add ledf2vfp/leds2vfp
and so these two functions be aliased to aeabi_fcmple/aeabi_dcmple on soft-float targets.
 2018-02-25 17:50:56 +01:00
Paolo Teti e7bf03019c Collection of VFP intrinsics 
Nothing really exciting here. LLVM on hard-float target use native instructions
for all listed VFP intrinsics and so resulting implementation is really trivial.

Implemented intrinsics:

 __gesf2vfp
 __gedf2vfp
 __gtsf2vfp
 __gtdf2vfp
 __ltsf2vfp
 __ltdf2vfp
 __nesf2vfp
 __nedf2vfp
 __eqsf2vfp
 __eqdf2vfp
 __extendsfdf2vfp
 2018-02-11 23:46:56 +01:00
Paolo Teti 73884ae671 Fix __aeabi_fcmple and add test cases 
`le` in __aeabi_fcmple means `less or equal`
 2018-02-04 10:56:02 +01:00
Alex Crichton 7d5fb94560 Fix some typos/bugs with float comparison intrinsics 
* I believe `__gtdf2` erroneously used `f32` instead of `f64`
* Most of these needed `#[arm_aeabi_alias]` to ensure they're correctly called
  through the alias
* Some existing aliases were corrected with the right names
 2018-01-24 17:01:04 -08:00
whitequark 07b446a9ab comparesf2/comparedf2: fix a signedness bug and add tests. 2017-12-29 07:58:34 +00:00
whitequark 6adcc9e9cb comparesf2/comparedf2: use i32 instead of bool for return type. 
Note that this changes semantics:
    pub extern "C" fn __eqsf2(a: f32, b: f32) -> bool {
        cmp(a, b).to_le_abi() != 0
    }

is not the same as

    pub extern "C" fn __eqsf2(a: f32, b: f32) -> i32 {
        cmp(a, b).to_le_abi()
    }

However, compiler-rt does the latter, so this is actually
an improvement.
 2017-12-29 06:14:51 +00:00
whitequark f5d86476a8 Implement comparesf2/comparedf2 intrinsics. 2017-12-28 03:45:32 +00:00