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Merge pull request #3311 from laytan/fix-simd128-wasm

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fix wasm with `-target-features:"simd128"`
This commit is contained in:
gingerBill
2024-03-23 10:42:36 +00:00
committed by GitHub
parent 7d6e9ef39c bb5dab342a
commit e9ac7d5fab
2 changed files with 27 additions and 11 deletions
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8
base/runtime/internal.odin
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@@ -962,9 +962,11 @@ udivmodti4 :: proc "c" (a, b: u128, rem: ^u128) -> u128 {
return udivmod128(a, b, rem)
}
@(link_name="__udivti3", linkage=RUNTIME_LINKAGE, require=RUNTIME_REQUIRE)
udivti3 :: proc "c" (a, b: u128) -> u128 {
return udivmodti4(a, b, nil)
when !IS_WASM {
@(link_name="__udivti3", linkage=RUNTIME_LINKAGE, require=RUNTIME_REQUIRE)
udivti3 :: proc "c" (a, b: u128) -> u128 {
return udivmodti4(a, b, nil)
}
}

30
base/runtime/procs_wasm.odin
View File

@@ -7,19 +7,25 @@ ti_int :: struct #raw_union {
all: i128,
}
@(private="file")
ti_uint :: struct #raw_union {
using s: struct { lo, hi: u64 },
all: u128,
}
@(link_name="__ashlti3", linkage="strong")
__ashlti3 :: proc "contextless" (a: i128, b_: u32) -> i128 {
__ashlti3 :: proc "contextless" (la, ha: u64, b_: u32) -> i128 {
bits_in_dword :: size_of(u32)*8
b := u32(b_)
input, result: ti_int
input.all = a
input.lo, input.hi = la, ha
if b & bits_in_dword != 0 {
result.lo = 0
result.hi = input.lo << (b-bits_in_dword)
} else {
if b == 0 {
return a
return input.all
}
result.lo = input.lo<<b
result.hi = (input.hi<<b) | (input.lo>>(bits_in_dword-b))
@@ -29,12 +35,20 @@ __ashlti3 :: proc "contextless" (a: i128, b_: u32) -> i128 {
@(link_name="__multi3", linkage="strong")
__multi3 :: proc "contextless" (a, b: i128) -> i128 {
__multi3 :: proc "contextless" (la, ha, lb, hb: u64) -> i128 {
x, y, r: ti_int
x.all = a
y.all = b
x.lo, x.hi = la, ha
y.lo, y.hi = lb, hb
r.all = i128(x.lo * y.lo) // TODO this is incorrect
r.hi += x.hi*y.lo + x.lo*y.hi
return r.all
}
}
@(link_name="__udivti3", linkage="strong")
udivti3 :: proc "c" (la, ha, lb, hb: u64) -> u128 {
a, b: ti_uint
a.lo, a.hi = la, ha
b.lo, b.hi = lb, hb
return udivmodti4(a.all, b.all, nil)
}