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Colin Murphy
2023-01-23 16:51:15 -05:00
parent 6f9bbcd56b
commit 37a96fd79d
1 changed files with 14 additions and 11 deletions
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src/wasm32_utils.rs
+14 -11
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@@ -9,23 +9,26 @@ pub unsafe fn load_v128<T>(buf: &[T], index: usize) -> v128 {
#[inline(always)]
pub unsafe fn loadl_i64<T>(buf: &[T], index: usize) -> v128 {
let v = v128_load(buf.get_unchecked(index..).as_ptr() as *const v128);
let k = i8x16(0, 1, 2, 3, 4, 5, 6, 7, -1, -1, -1, -1, -1, -1, -1, -1);
i8x16_swizzle(v, k)
let i = buf.get_unchecked(index..).as_ptr() as *const i64;
let v = i64x2(*i, 0);
const K: v128 = i8x16(0, 1, 2, 3, 4, 5, 6, 7, -1, -1, -1, -1, -1, -1, -1, -1);
i8x16_swizzle(v, K)
}
#[inline(always)]
pub unsafe fn loadl_i32<T>(buf: &[T], index: usize) -> v128 {
let v = v128_load(buf.get_unchecked(index..).as_ptr() as *const v128);
let k = i8x16(0, 1, 2, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1);
i8x16_swizzle(v, k)
let i = buf.get_unchecked(index..).as_ptr() as *const i32;
let v = i32x4(*i, 0, 0, 0);
const K: v128 = i8x16(0, 1, 2, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1);
i8x16_swizzle(v, K)
}
#[inline(always)]
pub unsafe fn loadl_i16<T>(buf: &[T], index: usize) -> v128 {
let v = v128_load(buf.get_unchecked(index..).as_ptr() as *const v128);
let k = i8x16(0, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1);
i8x16_swizzle(v, k)
let i = buf.get_unchecked(index..).as_ptr() as *const i16;
let v = i16x8(*i, 0, 0, 0, 0, 0, 0, 0);
const K: v128 = i8x16(0, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1);
i8x16_swizzle(v, K)
}
#[inline(always)]
@@ -46,8 +49,8 @@ pub unsafe fn i32x4_extend_low_ptr_u8(buf: &[u8], index: usize) -> v128 {
#[inline(always)]
pub unsafe fn i32x4_extend_low_ptr_u8x4(buf: &[U8x4], index: usize) -> v128 {
let v: i32 = transmute(buf.get_unchecked(index).0);
u32x4_extend_low_u16x8(i16x8_extend_low_u8x16(i32x4(v, 0, 0, 0)))
let v: u32 = transmute(buf.get_unchecked(index).0);
u32x4_extend_low_u16x8(i16x8_extend_low_u8x16(u32x4(v, 0, 0, 0)))
}
#[inline(always)]