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Uncomment _mm256_mpsadbw_epu8 (#128)

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Just needed some `constify_imm8!` treatment

Closes #59
This commit is contained in:
Alex Crichton 2017-10-18 13:17:09 -05:00 • committed by GitHub
parent 2dc965b69a
commit 7b249298c0
2 changed files with 5 additions and 11 deletions
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3
library/stdarch/ci/run.sh
View file

@ -2,9 +2,6 @@
set -ex
# FIXME(rust-lang/rust#45201) shouldn't need to specify one codegen unit
export RUSTFLAGS="$RUSTFLAGS -C codegen-units=1"
# Tests are all super fast anyway, and they fault often enough on travis that
# having only one thread increases debuggability to be worth it.
export RUST_TEST_THREADS=1

13
library/stdarch/src/x86/avx2.rs
View file

@ -573,9 +573,6 @@ pub unsafe fn _mm256_movemask_epi8(a: i8x32) -> i32 {
pmovmskb(a)
}
/*
LLVM ERROR: Cannot select: intrinsic %llvm.x86.avx2.mpsadbw
/// Compute the sum of absolute differences (SADs) of quadruplets of unsigned
/// 8-bit integers in `a` compared to those in `b`, and store the 16-bit
/// results in dst. Eight SADs are performed for each 128-bit lane using one
@ -585,11 +582,13 @@ LLVM ERROR: Cannot select: intrinsic %llvm.x86.avx2.mpsadbw
/// starting at the offset specified in `imm8`.
#[inline(always)]
#[target_feature = "+avx2"]
#[cfg_attr(test, assert_instr(vmpsadbw))]
#[cfg_attr(test, assert_instr(vmpsadbw, imm8 = 0))]
pub unsafe fn _mm256_mpsadbw_epu8(a: u8x32, b: u8x32, imm8: i32) -> u16x16 {
mpsadbw(a, b, imm8)
macro_rules! call {
($imm8:expr) => (mpsadbw(a, b, $imm8))
}
constify_imm8!(imm8, call)
}
*/
/// Multiply the low 32-bit integers from each packed 64-bit element in
/// `a` and `b`
@ -1767,7 +1766,6 @@ mod tests {
assert_eq!(r, e);
}
/*
#[simd_test = "avx2"]
unsafe fn _mm256_mpsadbw_epu8() {
let a = u8x32::splat(2);
@ -1776,7 +1774,6 @@ mod tests {
let e = u16x16::splat(8);
assert_eq!(r, e);
}
*/
#[simd_test = "avx2"]
unsafe fn _mm256_mul_epi32() {