mirrors/zig
1
0
Fork 0
mirror of https://codeberg.org/ziglang/zig.git synced 2025-12-09 15:19:07 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

wasm: implement more math operations on 128 bit integers

Browse source 
these operations are required to be able to print floats
This commit is contained in:
Techatrix 2023-09-06 22:56:53 +02:00
parent 9d6b6bddb6
commit ec7f88945b
1 changed files with 7 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
src/arch/wasm/CodeGen.zig
View file

@ -2650,12 +2650,18 @@ fn binOp(func: *CodeGen, lhs: WValue, rhs: WValue, ty: Type, op: Op) InnerError!
fn binOpBigInt(func: *CodeGen, lhs: WValue, rhs: WValue, ty: Type, op: Op) InnerError!WValue {
const mod = func.bin_file.base.options.module.?;
if (ty.intInfo(mod).bits > 128) {
const int_info = ty.intInfo(mod);
if (int_info.bits > 128) {
return func.fail("TODO: Implement binary operation for big integers larger than 128 bits", .{});
}
switch (op) {
.mul => return func.callIntrinsic("__multi3", &.{ ty.toIntern(), ty.toIntern() }, ty, &.{ lhs, rhs }),
.div => switch (int_info.signedness) {
.signed => return func.callIntrinsic("__udivti3", &.{ ty.toIntern(), ty.toIntern() }, ty, &.{ lhs, rhs }),
.unsigned => return func.callIntrinsic("__divti3", &.{ ty.toIntern(), ty.toIntern() }, ty, &.{ lhs, rhs }),
},
.rem => return func.callIntrinsic("__umodti3", &.{ ty.toIntern(), ty.toIntern() }, ty, &.{ lhs, rhs }),
.shr => return func.callIntrinsic("__lshrti3", &.{ ty.toIntern(), .i32_type }, ty, &.{ lhs, rhs }),
.shl => return func.callIntrinsic("__ashlti3", &.{ ty.toIntern(), .i32_type }, ty, &.{ lhs, rhs }),
.xor => {