authorgravatar for andrew@ziglang.orgAndrew Kelley <andrew@ziglang.org> 2021-01-16 12:10:03-08:00
committergravatar for noreply@github.comGitHub <noreply@github.com> 2021-01-16 12:10:03-08:00
log1f65828ec6caa7697b26d9e919112aa1715b57bc
tree73b67b9da631827bedf11127960a35c6ace161ae
parentd2a297c2b3eb293b393f41640892ff7a5a71027f
parent1d67ab8823f417bba38f7a32c45912f8e8de393b
signature Signed by PGP key 4AEE18F83AFDEB23

Merge pull request #7716 from koachan/sparc64-libs

stage1: SPARCv9 f128 enablement

3 files changed, 114 insertions(+), 5 deletions(-)

lib/std/special/compiler_rt.zig+19
......@@ -277,6 +277,25 @@ comptime {
277277 @export(@import("compiler_rt/aullrem.zig")._aullrem, .{ .name = "\x01__aullrem", .linkage = strong_linkage });
278278 }
279279
280 if (builtin.arch.isSPARC()) {
281 // SPARC systems use a different naming scheme
282 @export(@import("compiler_rt/sparc.zig")._Qp_add, .{ .name = "_Qp_add", .linkage = linkage });
283 @export(@import("compiler_rt/sparc.zig")._Qp_div, .{ .name = "_Qp_div", .linkage = linkage });
284 @export(@import("compiler_rt/sparc.zig")._Qp_mul, .{ .name = "_Qp_mul", .linkage = linkage });
285 @export(@import("compiler_rt/sparc.zig")._Qp_sub, .{ .name = "_Qp_sub", .linkage = linkage });
286
287 @export(@import("compiler_rt/sparc.zig")._Qp_cmp, .{ .name = "_Qp_cmp", .linkage = linkage });
288 @export(@import("compiler_rt/sparc.zig")._Qp_feq, .{ .name = "_Qp_feq", .linkage = linkage });
289 @export(@import("compiler_rt/sparc.zig")._Qp_fne, .{ .name = "_Qp_fne", .linkage = linkage });
290 @export(@import("compiler_rt/sparc.zig")._Qp_flt, .{ .name = "_Qp_flt", .linkage = linkage });
291 @export(@import("compiler_rt/sparc.zig")._Qp_fle, .{ .name = "_Qp_fle", .linkage = linkage });
292 @export(@import("compiler_rt/sparc.zig")._Qp_fgt, .{ .name = "_Qp_fgt", .linkage = linkage });
293 @export(@import("compiler_rt/sparc.zig")._Qp_fge, .{ .name = "_Qp_fge", .linkage = linkage });
294
295 @export(@import("compiler_rt/sparc.zig")._Qp_dtoq, .{ .name = "_Qp_dtoq", .linkage = linkage });
296 @export(@import("compiler_rt/sparc.zig")._Qp_qtod, .{ .name = "_Qp_qtod", .linkage = linkage });
297 }
298
280299 if (builtin.os.tag == .windows) {
281300 // Default stack-probe functions emitted by LLVM
282301 if (is_mingw) {
lib/std/special/compiler_rt/sparc.zig created+80
......@@ -0,0 +1,80 @@
1// SPDX-License-Identifier: MIT
2// Copyright (c) 2015-2020 Zig Contributors
3// This file is part of [zig](https://ziglang.org/), which is MIT licensed.
4// The MIT license requires this copyright notice to be included in all copies
5// and substantial portions of the software.
6//
7// SPARC uses a different naming scheme for its support routines so we map it here to the x86 name.
8
9const std = @import("std");
10const builtin = @import("builtin");
11
12// The SPARC Architecture Manual, Version 9:
13// A.13 Floating-Point Compare
14const FCMP = extern enum(i32) {
15 Equal = 0,
16 Less = 1,
17 Greater = 2,
18 Unordered = 3,
19};
20
21// Basic arithmetic
22
23pub fn _Qp_add(c: *f128, a: *f128, b: *f128) callconv(.C) void {
24 c.* = @import("addXf3.zig").__addtf3(a.*, b.*);
25}
26
27pub fn _Qp_div(c: *f128, a: *f128, b: *f128) callconv(.C) void {
28 c.* = @import("divtf3.zig").__divtf3(a.*, b.*);
29}
30
31pub fn _Qp_mul(c: *f128, a: *f128, b: *f128) callconv(.C) void {
32 c.* = @import("mulXf3.zig").__multf3(a.*, b.*);
33}
34
35pub fn _Qp_sub(c: *f128, a: *f128, b: *f128) callconv(.C) void {
36 c.* = @import("addXf3.zig").__subtf3(a.*, b.*);
37}
38
39// Comparison
40
41pub fn _Qp_cmp(a: *f128, b: *f128) callconv(.C) i32 {
42 return @enumToInt(@import("compareXf2.zig").cmp(f128, FCMP, a.*, b.*));
43}
44
45pub fn _Qp_feq(a: *f128, b: *f128) callconv(.C) bool {
46 return _Qp_cmp(a, b) == @enumToInt(FCMP.Equal);
47}
48
49pub fn _Qp_fne(a: *f128, b: *f128) callconv(.C) bool {
50 return _Qp_cmp(a, b) != @enumToInt(FCMP.Equal);
51}
52
53pub fn _Qp_flt(a: *f128, b: *f128) callconv(.C) bool {
54 return _Qp_cmp(a, b) == @enumToInt(FCMP.Less);
55}
56
57pub fn _Qp_fle(a: *f128, b: *f128) callconv(.C) bool {
58 const cmp = _Qp_cmp(a, b);
59 return cmp == @enumToInt(FCMP.Less) or cmp == @enumToInt(FCMP.Equal);
60}
61
62pub fn _Qp_fgt(a: *f128, b: *f128) callconv(.C) bool {
63 return _Qp_cmp(a, b) == @enumToInt(FCMP.Greater);
64}
65
66pub fn _Qp_fge(a: *f128, b: *f128) callconv(.C) bool {
67 const cmp = _Qp_cmp(a, b);
68 return cmp == @enumToInt(FCMP.Greater) or cmp == @enumToInt(FCMP.Equal);
69}
70
71
72// Casting
73
74pub fn _Qp_dtoq(c: *f128, a: f64) callconv(.C) void {
75 c.* = @import("extendXfYf2.zig").__extenddftf2(a);
76}
77
78pub fn _Qp_qtod(a: *f128) callconv(.C) f64 {
79 return @import("truncXfYf2.zig").__trunctfdf2(a.*);
80}
src/stage1/codegen.cpp+15-5
......@@ -19,6 +19,7 @@
1919#include "stage2.h"
2020#include "dump_analysis.hpp"
2121#include "softfloat.hpp"
22#include "zigendian.h"
2223
2324#include <stdio.h>
2425#include <errno.h>
......@@ -7421,11 +7422,20 @@ static LLVMValueRef gen_const_val(CodeGen *g, ZigValue *const_val, const char *n
74217422 return LLVMConstReal(get_llvm_type(g, type_entry), const_val->data.x_f64);
74227423 case 128:
74237424 {
7424 // TODO make sure this is correct on big endian targets too
7425 uint8_t buf[16];
7426 memcpy(buf, &const_val->data.x_f128, 16);
7427 LLVMValueRef as_int = LLVMConstIntOfArbitraryPrecision(LLVMInt128Type(), 2,
7428 (uint64_t*)buf);
7425 uint64_t buf[2];
7426
7427 // LLVM seems to require that the lower half of the f128 be placed first in the buffer.
7428 #if defined(ZIG_BYTE_ORDER) && ZIG_BYTE_ORDER == ZIG_LITTLE_ENDIAN
7429 buf[0] = const_val->data.x_f128.v[0];
7430 buf[1] = const_val->data.x_f128.v[1];
7431 #elif defined(ZIG_BYTE_ORDER) && ZIG_BYTE_ORDER == ZIG_BIG_ENDIAN
7432 buf[0] = const_val->data.x_f128.v[1];
7433 buf[1] = const_val->data.x_f128.v[0];
7434 #else
7435 #error Unsupported endian
7436 #endif
7437
7438 LLVMValueRef as_int = LLVMConstIntOfArbitraryPrecision(LLVMInt128Type(), 2, buf);
74297439 return LLVMConstBitCast(as_int, get_llvm_type(g, type_entry));
74307440 }
74317441 default: