| author |  Jacob Young <jacobly@ziglang.org> 2022-10-31 21:40:39-04:00 |
| committer | Jacob Young <jacobly@ziglang.org> 2022-11-01 20:38:37-04:00 |
| log | 93d60d0de76e5dca666682e51589c0819eed2507 |
| tree | 768bf93fecc0a8c3488b4c215f180c8081546d37 |
| parent | ebf9ffd342a30c7c79657f5dbfc83fde0647e630 |
std: avoid vector usage with the C backend
Vectors are not yet implemented in the C backend, so no reason to
prevent code using the standard library from compiling in the meantime.4 files changed, 25 insertions(+), 7 deletions(-)
lib/std/crypto/blake3.zig+4-1
| ... | ... | @@ -200,7 +200,10 @@ const CompressGeneric = struct { |
| 200 | 200 | } |
| 201 | 201 | }; |
| 202 | 202 | |
| 203 | const compress = if (builtin.cpu.arch == .x86_64) CompressVectorized.compress else CompressGeneric.compress; | |
| 203 | const compress = if (builtin.cpu.arch == .x86_64 and builtin.zig_backend != .stage2_c) | |
| 204 | CompressVectorized.compress | |
| 205 | else | |
| 206 | CompressGeneric.compress; | |
| 204 | 207 | |
| 205 | 208 | fn first8Words(words: [16]u32) [8]u32 { |
| 206 | 209 | return @ptrCast(*const [8]u32, &words).*; |
lib/std/crypto/gimli.zig+1-1
| ... | ... | @@ -152,7 +152,7 @@ pub const State = struct { |
| 152 | 152 | self.endianSwap(); |
| 153 | 153 | } |
| 154 | 154 | |
| 155 | pub const permute = if (builtin.cpu.arch == .x86_64) impl: { | |
| 155 | pub const permute = if (builtin.cpu.arch == .x86_64 and builtin.zig_backend != .stage2_c) impl: { | |
| 156 | 156 | break :impl permute_vectorized; |
| 157 | 157 | } else if (builtin.mode == .ReleaseSmall) impl: { |
| 158 | 158 | break :impl permute_small; |
lib/std/multi_array_list.zig+9-3
| ... | ... | @@ -436,9 +436,15 @@ pub fn MultiArrayList(comptime S: type) type { |
| 436 | 436 | } |
| 437 | 437 | |
| 438 | 438 | fn capacityInBytes(capacity: usize) usize { |
| 439 | const sizes_vector: @Vector(sizes.bytes.len, usize) = sizes.bytes; | |
| 440 | const capacity_vector = @splat(sizes.bytes.len, capacity); | |
| 441 | return @reduce(.Add, capacity_vector * sizes_vector); | |
| 439 | if (builtin.zig_backend == .stage2_c) { | |
| 440 | var bytes: usize = 0; | |
| 441 | for (sizes.bytes) |size| bytes += size * capacity; | |
| 442 | return bytes; | |
| 443 | } else { | |
| 444 | const sizes_vector: @Vector(sizes.bytes.len, usize) = sizes.bytes; | |
| 445 | const capacity_vector = @splat(sizes.bytes.len, capacity); | |
| 446 | return @reduce(.Add, capacity_vector * sizes_vector); | |
| 447 | } | |
| 442 | 448 | } |
| 443 | 449 | |
| 444 | 450 | fn allocatedBytes(self: Self) []align(@alignOf(S)) u8 { |
lib/std/target.zig+11-2
| ... | ... | @@ -1,4 +1,5 @@ |
| 1 | 1 | const std = @import("std.zig"); |
| 2 | const builtin = @import("builtin"); | |
| 2 | 3 | const mem = std.mem; |
| 3 | 4 | const Version = std.builtin.Version; |
| 4 | 5 | |
| ... | ... | @@ -719,7 +720,11 @@ pub const Target = struct { |
| 719 | 720 | |
| 720 | 721 | /// Adds the specified feature set but not its dependencies. |
| 721 | 722 | pub fn addFeatureSet(set: *Set, other_set: Set) void { |
| 722 | set.ints = @as(@Vector(usize_count, usize), set.ints) | @as(@Vector(usize_count, usize), other_set.ints); | |
| 723 | if (builtin.zig_backend == .stage2_c) { | |
| 724 | for (set.ints) |*int, i| int.* |= other_set.ints[i]; | |
| 725 | } else { | |
| 726 | set.ints = @as(@Vector(usize_count, usize), set.ints) | @as(@Vector(usize_count, usize), other_set.ints); | |
| 727 | } | |
| 723 | 728 | } |
| 724 | 729 | |
| 725 | 730 | /// Removes the specified feature but not its dependents. |
| ... | ... | @@ -731,7 +736,11 @@ pub const Target = struct { |
| 731 | 736 | |
| 732 | 737 | /// Removes the specified feature but not its dependents. |
| 733 | 738 | pub fn removeFeatureSet(set: *Set, other_set: Set) void { |
| 734 | set.ints = @as(@Vector(usize_count, usize), set.ints) & ~@as(@Vector(usize_count, usize), other_set.ints); | |
| 739 | if (builtin.zig_backend == .stage2_c) { | |
| 740 | for (set.ints) |*int, i| int.* &= ~other_set.ints[i]; | |
| 741 | } else { | |
| 742 | set.ints = @as(@Vector(usize_count, usize), set.ints) & ~@as(@Vector(usize_count, usize), other_set.ints); | |
| 743 | } | |
| 735 | 744 | } |
| 736 | 745 | |
| 737 | 746 | pub fn populateDependencies(set: *Set, all_features_list: []const Cpu.Feature) void { |