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std.Target: Make Abi.default() more smarter.

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This builds on 221bd829bc with more research I did
for test/llvm_targets.zig.
This commit is contained in:
Alex Rønne Petersen 2024-10-17 18:59:24 +02:00
parent 8504e1f550
commit ff594eae49
1 changed files with 38 additions and 29 deletions
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67
lib/std/Target.zig
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@ -700,9 +700,7 @@ pub const Abi = enum {
pub fn default(arch: Cpu.Arch, os: Os) Abi {
return if (arch.isWasm()) .musl else switch (os.tag) {
.freestanding,
.other,
=> switch (arch) {
.freestanding, .other => switch (arch) {
// Soft float is usually a sane default for freestanding.
.arm,
.armeb,
@ -716,14 +714,32 @@ pub const Abi = enum {
=> .eabi,
else => .none,
},
.aix,
=> if (arch == .powerpc) .eabihf else .none,
.linux,
.wasi,
.emscripten,
=> .musl,
.rtems,
=> switch (arch) {
.aix => if (arch == .powerpc) .eabihf else .none,
.haiku => switch (arch) {
.arm,
.thumb,
.powerpc,
=> .eabihf,
else => .none,
},
.hurd => .gnu,
.linux => switch (arch) {
.arm,
.armeb,
.thumb,
.thumbeb,
.powerpc,
.powerpcle,
=> .musleabihf,
// Soft float tends to be more common for CSKY and MIPS.
.csky,
=> .gnueabi, // No musl support.
.mips,
.mipsel,
=> .musleabi,
else => .musl,
},
.rtems => switch (arch) {
.arm,
.armeb,
.thumb,
@ -735,37 +751,33 @@ pub const Abi = enum {
=> .eabihf,
else => .none,
},
.hurd,
.windows,
=> .gnu,
.freebsd,
=> switch (arch) {
.freebsd => switch (arch) {
.arm,
.armeb,
.thumb,
.thumbeb,
.powerpc,
=> .eabihf,
// Soft float tends to be more common for MIPS.
.mips,
.mipsel,
=> .eabi,
else => .none,
},
.netbsd,
=> switch (arch) {
.netbsd => switch (arch) {
.arm,
.armeb,
.thumb,
.thumbeb,
.powerpc,
=> .eabihf,
// Soft float tends to be more common for MIPS.
.mips,
.mipsel,
=> .eabi,
else => .none,
},
.openbsd,
=> switch (arch) {
.openbsd => switch (arch) {
.arm,
.thumb,
=> .eabi,
@ -773,18 +785,16 @@ pub const Abi = enum {
=> .eabihf,
else => .none,
},
.ios,
=> if (arch == .x86_64) .macabi else .none,
.tvos,
.visionos,
=> if (arch == .x86_64) .simulator else .none,
.uefi,
=> .msvc,
.ios => if (arch == .x86_64) .macabi else .none,
.tvos, .visionos, .watchos => if (arch == .x86_64) .simulator else .none,
.windows => .gnu,
.uefi => .msvc,
.wasi, .emscripten => .musl,
.contiki,
.elfiamcu,
.fuchsia,
.hermit,
.haiku,
.plan9,
.serenity,
.zos,
@ -792,7 +802,6 @@ pub const Abi = enum {
.bridgeos,
.driverkit,
.macos,
.watchos,
.illumos,
.solaris,
.ps3,