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Merge pull request #8497 from LemonBoy/some-ppc-fixes

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Improve Improve PowerPC support
This commit is contained in:
Andrew Kelley 2021-04-11 18:59:31 -07:00 committed by GitHub
commit c5e662d860
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 43 additions and 8 deletions
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11
lib/std/os/linux/tls.zig
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@ -69,7 +69,7 @@ const tls_tcb_size = switch (builtin.arch) {
// Controls if the TP points to the end of the TCB instead of its beginning
const tls_tp_points_past_tcb = switch (builtin.arch) {
.riscv32, .riscv64, .mips, .mipsel, .powerpc64, .powerpc64le => true,
.riscv32, .riscv64, .mips, .mipsel, .powerpc, .powerpc64, .powerpc64le => true,
else => false,
};
@ -165,7 +165,14 @@ pub fn setThreadPointer(addr: usize) void {
const rc = std.os.linux.syscall1(.set_thread_area, addr);
assert(rc == 0);
},
.powerpc, .powerpc64, .powerpc64le => {
.powerpc => {
asm volatile (
\\ mr 2, %[addr]
:
: [addr] "r" (addr)
);
},
.powerpc64, .powerpc64le => {
asm volatile (
\\ mr 13, %[addr]
:

2
lib/std/special/c.zig
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@ -939,7 +939,7 @@ export fn sqrt(x: f64) f64 {
r = sign;
while (r != 0) {
t = s1 +% r;
t1 = s1 +% r;
t = s0;
if (t < ix0 or (t == ix0 and t1 <= ix1)) {
s1 = t1 +% r;

27
lib/std/special/compiler_rt.zig
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@ -296,6 +296,33 @@ comptime {
@export(@import("compiler_rt/sparc.zig")._Qp_qtod, .{ .name = "_Qp_qtod", .linkage = linkage });
}
if (builtin.arch == .powerpc or builtin.arch.isPPC64()) {
@export(@import("compiler_rt/addXf3.zig").__addtf3, .{ .name = "__addkf3", .linkage = linkage });
@export(@import("compiler_rt/addXf3.zig").__subtf3, .{ .name = "__subkf3", .linkage = linkage });
@export(@import("compiler_rt/mulXf3.zig").__multf3, .{ .name = "__mulkf3", .linkage = linkage });
@export(@import("compiler_rt/divtf3.zig").__divtf3, .{ .name = "__divkf3", .linkage = linkage });
@export(@import("compiler_rt/extendXfYf2.zig").__extendsftf2, .{ .name = "__extendsfkf2", .linkage = linkage });
@export(@import("compiler_rt/extendXfYf2.zig").__extenddftf2, .{ .name = "__extenddfkf2", .linkage = linkage });
@export(@import("compiler_rt/truncXfYf2.zig").__trunctfsf2, .{ .name = "__trunckfsf2", .linkage = linkage });
@export(@import("compiler_rt/truncXfYf2.zig").__trunctfdf2, .{ .name = "__trunckfdf2", .linkage = linkage });
@export(@import("compiler_rt/fixtfdi.zig").__fixtfdi, .{ .name = "__fixkfdi", .linkage = linkage });
@export(@import("compiler_rt/fixtfsi.zig").__fixtfsi, .{ .name = "__fixkfsi", .linkage = linkage });
@export(@import("compiler_rt/fixunstfsi.zig").__fixunstfsi, .{ .name = "__fixunskfsi", .linkage = linkage });
@export(@import("compiler_rt/fixunstfdi.zig").__fixunstfdi, .{ .name = "__fixunskfdi", .linkage = linkage });
@export(@import("compiler_rt/floatsiXf.zig").__floatsitf, .{ .name = "__floatsikf", .linkage = linkage });
@export(@import("compiler_rt/floatditf.zig").__floatditf, .{ .name = "__floatdikf", .linkage = linkage });
@export(@import("compiler_rt/floatunditf.zig").__floatunditf, .{ .name = "__floatundikf", .linkage = linkage });
@export(@import("compiler_rt/floatunsitf.zig").__floatunsitf, .{ .name = "__floatunsikf", .linkage = linkage });
@export(@import("compiler_rt/compareXf2.zig").__letf2, .{ .name = "__eqkf2", .linkage = linkage });
@export(@import("compiler_rt/compareXf2.zig").__letf2, .{ .name = "__nekf2", .linkage = linkage });
@export(@import("compiler_rt/compareXf2.zig").__getf2, .{ .name = "__gekf2", .linkage = linkage });
@export(@import("compiler_rt/compareXf2.zig").__letf2, .{ .name = "__ltkf2", .linkage = linkage });
@export(@import("compiler_rt/compareXf2.zig").__letf2, .{ .name = "__lekf2", .linkage = linkage });
@export(@import("compiler_rt/compareXf2.zig").__getf2, .{ .name = "__gtkf2", .linkage = linkage });
@export(@import("compiler_rt/compareXf2.zig").__unordtf2, .{ .name = "__unordkf2", .linkage = linkage });
}
if (builtin.os.tag == .windows) {
// Default stack-probe functions emitted by LLVM
if (is_mingw) {

2
test/stage1/behavior/bugs/920.zig
View File

@ -60,6 +60,6 @@ test "bug 920 fixed" {
};
for (NormalDist1.f) |_, i| {
std.testing.expect(NormalDist1.f[i] == NormalDist.f[i]);
std.testing.expectEqual(NormalDist1.f[i], NormalDist.f[i]);
}
}

9
test/stage1/behavior/cast.zig
View File

@ -17,14 +17,15 @@ test "integer literal to pointer cast" {
}
test "pointer reinterpret const float to int" {
// https://github.com/ziglang/zig/issues/3345
if (std.Target.current.cpu.arch == .mips) return error.SkipZigTest;
// The hex representation is 0x3fe3333333333303.
const float: f64 = 5.99999999999994648725e-01;
const float_ptr = &float;
const int_ptr = @ptrCast(*const i32, float_ptr);
const int_val = int_ptr.*;
expect(int_val == 858993411);
if (std.builtin.endian == .Little)
expect(int_val == 0x33333303)
else
expect(int_val == 0x3fe33333);
}
test "implicitly cast indirect pointer to maybe-indirect pointer" {