authorgravatar for koachan@protonmail.comKoakuma <koachan@protonmail.com> 2022-06-24 20:29:12+07:00
committergravatar for koachan@protonmail.comKoakuma <koachan@protonmail.com> 2022-06-24 21:19:33+07:00
logad176b319d810da7755b9a1ec39e68210df8d807
treec82c32c3462dd221bcd25dac644f6f7f1f9db0fd
parent65c5ef52e94323e15005cb943cd98b929119ce39

stage2: sparc64: Implement SPARCv9 movr

2 files changed, 29 insertions(+), 1 deletions(-)

src/arch/sparc64/Emit.zig+21-1
......@@ -102,7 +102,7 @@ pub fn emitMir(
102102
103103 .movcc => try emit.mirConditionalMove(inst),
104104
105 .movr => @panic("TODO implement sparc64 movr"),
105 .movr => try emit.mirConditionalMove(inst),
106106
107107 .mulx => try emit.mirArithmetic3Op(inst),
108108 .sdivx => try emit.mirArithmetic3Op(inst),
......@@ -346,6 +346,26 @@ fn mirConditionalMove(emit: *Emit, inst: Mir.Inst.Index) !void {
346346 ));
347347 }
348348 },
349 .movr => {
350 const data = emit.mir.instructions.items(.data)[inst].conditional_move_reg;
351 if (data.is_imm) {
352 try emit.writeInstruction(Instruction.movr(
353 i10,
354 data.cond,
355 data.rs1,
356 data.rs2_or_imm.imm,
357 data.rd,
358 ));
359 } else {
360 try emit.writeInstruction(Instruction.movr(
361 Register,
362 data.cond,
363 data.rs1,
364 data.rs2_or_imm.rs2,
365 data.rd,
366 ));
367 }
368 },
349369 else => unreachable,
350370 }
351371}
src/arch/sparc64/bits.zig+8
......@@ -1273,6 +1273,14 @@ pub const Instruction = union(enum) {
12731273 };
12741274 }
12751275
1276 pub fn movr(comptime s2: type, cond: RCondition, rs1: Register, rs2: s2, rd: Register) Instruction {
1277 return switch (s2) {
1278 Register => format3e(0b10, 0b10_1111, cond, rs1, rs2, rd),
1279 i10 => format3f(0b10, 0b10_1111, cond, rs1, rs2, rd),
1280 else => unreachable,
1281 };
1282 }
1283
12761284 pub fn mulx(comptime s2: type, rs1: Register, rs2: s2, rd: Register) Instruction {
12771285 return switch (s2) {
12781286 Register => format3a(0b10, 0b00_1001, rs1, rs2, rd),