jimzah/zig
1
0
Fork 0
mirror of https://github.com/ziglang/zig.git synced 2024-12-03 10:28:48 +00:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

stage2 wasm: Add bitwise/boolean ops &, |, ^, and, or

Browse Source
This commit is contained in:
gracefu 2021-04-08 05:24:40 +08:00
parent 4c71942f84
commit e4a60b63f2
No known key found for this signature in database
GPG Key ID: 2B0D39CC4E035325
2 changed files with 107 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
src/codegen/wasm.zig
View File

@ -657,6 +657,10 @@ pub const Context = struct {
.breakpoint => self.genBreakpoint(inst.castTag(.breakpoint).?),
.br => self.genBr(inst.castTag(.br).?),
.call => self.genCall(inst.castTag(.call).?),
.bit_or => self.genBinOp(inst.castTag(.bit_or).?, .@"or"),
.bit_and => self.genBinOp(inst.castTag(.bit_and).?, .@"and"),
.bool_or => self.genBinOp(inst.castTag(.bool_or).?, .@"or"),
.bool_and => self.genBinOp(inst.castTag(.bool_and).?, .@"and"),
.cmp_eq => self.genCmp(inst.castTag(.cmp_eq).?, .eq),
.cmp_gte => self.genCmp(inst.castTag(.cmp_gte).?, .gte),
.cmp_gt => self.genCmp(inst.castTag(.cmp_gt).?, .gt),
@ -669,6 +673,8 @@ pub const Context = struct {
.load => self.genLoad(inst.castTag(.load).?),
.loop => self.genLoop(inst.castTag(.loop).?),
.mul => self.genBinOp(inst.castTag(.mul).?, .mul),
.div => self.genBinOp(inst.castTag(.div).?, .div),
.xor => self.genBinOp(inst.castTag(.xor).?, .xor),
.not => self.genNot(inst.castTag(.not).?),
.ret => self.genRet(inst.castTag(.ret).?),
.retvoid => WValue.none,
@ -764,6 +770,7 @@ pub const Context = struct {
const opcode: wasm.Opcode = buildOpcode(.{
.op = op,
.valtype1 = try self.typeToValtype(inst.base.src, inst.base.ty),
.signedness = if (inst.base.ty.isSignedInt()) .signed else .unsigned,
});
try self.code.append(wasm.opcode(opcode));
return .none;

100
test/stage2/wasm.zig
View File

@ -153,6 +153,106 @@ pub fn addCases(ctx: *TestContext) !void {
\\ return x * y;
\\}
, "350\n");
case.addCompareOutput(
\\export fn _start() u32 {
\\ var i: u32 = 352;
\\ i /= 7; // i = 50
\\ var result: u32 = foo(i, 7);
\\ return result;
\\}
\\fn foo(x: u32, y: u32) u32 {
\\ return x / y;
\\}
, "7\n");
case.addCompareOutput(
\\export fn _start() u32 {
\\ var i: u32 = 5;
\\ i &= 6;
\\ return i;
\\}
, "4\n");
case.addCompareOutput(
\\export fn _start() u32 {
\\ var i: u32 = 5;
\\ i |= 6;
\\ return i;
\\}
, "7\n");
case.addCompareOutput(
\\export fn _start() u32 {
\\ var i: u32 = 5;
\\ i ^= 6;
\\ return i;
\\}
, "3\n");
case.addCompareOutput(
\\export fn _start() bool {
\\ var b: bool = false;
\\ b = b or false;
\\ return b;
\\}
, "0\n");
case.addCompareOutput(
\\export fn _start() bool {
\\ var b: bool = true;
\\ b = b or false;
\\ return b;
\\}
, "1\n");
case.addCompareOutput(
\\export fn _start() bool {
\\ var b: bool = false;
\\ b = b or true;
\\ return b;
\\}
, "1\n");
case.addCompareOutput(
\\export fn _start() bool {
\\ var b: bool = true;
\\ b = b or true;
\\ return b;
\\}
, "1\n");
case.addCompareOutput(
\\export fn _start() bool {
\\ var b: bool = false;
\\ b = b and false;
\\ return b;
\\}
, "0\n");
case.addCompareOutput(
\\export fn _start() bool {
\\ var b: bool = true;
\\ b = b and false;
\\ return b;
\\}
, "0\n");
case.addCompareOutput(
\\export fn _start() bool {
\\ var b: bool = false;
\\ b = b and true;
\\ return b;
\\}
, "0\n");
case.addCompareOutput(
\\export fn _start() bool {
\\ var b: bool = true;
\\ b = b and true;
\\ return b;
\\}
, "1\n");
}
{