| ... | ... | @@ -399,22 +399,26 @@ pub fn resolveTargetQuery(query: Target.Query) DetectError!Target { |
| 399 | 399 | query.cpu_features_sub, |
| 400 | 400 | ); |
| 401 | 401 | |
| 402 | | if (cpu.arch == .hexagon) { |
| 403 | | // Both LLVM and LLD have broken support for the small data area. Yet LLVM has the feature |
| 404 | | // on by default for all Hexagon CPUs. Clang sort of solves this by defaulting the `-gpsize` |
| 405 | | // command line parameter for the Hexagon backend to 0, so that no constants get placed in |
| 406 | | // the SDA. (This of course breaks down if the user passes `-G <n>` to Clang...) We can't do |
| 407 | | // the `-gpsize` hack because we can have multiple concurrent LLVM emit jobs, and command |
| 408 | | // line options in LLVM are shared globally. So just force this feature off. Lovely stuff. |
| 409 | | cpu.features.removeFeature(@intFromEnum(Target.hexagon.Feature.small_data)); |
| 410 | | } |
| 402 | var result = try detectAbiAndDynamicLinker(cpu, os, query); |
| 411 | 403 | |
| 412 | | // https://github.com/llvm/llvm-project/issues/105978 |
| 413 | | if (cpu.arch.isArm() and query_abi.floatAbi() == .soft) { |
| 414 | | cpu.features.removeFeature(@intFromEnum(Target.arm.Feature.vfp2)); |
| 415 | | } |
| 404 | // These CPU feature hacks have to come after ABI detection. |
| 405 | { |
| 406 | if (result.cpu.arch == .hexagon) { |
| 407 | // Both LLVM and LLD have broken support for the small data area. Yet LLVM has the |
| 408 | // feature on by default for all Hexagon CPUs. Clang sort of solves this by defaulting |
| 409 | // the `-gpsize` command line parameter for the Hexagon backend to 0, so that no |
| 410 | // constants get placed in the SDA. (This of course breaks down if the user passes |
| 411 | // `-G <n>` to Clang...) We can't do the `-gpsize` hack because we can have multiple |
| 412 | // concurrent LLVM emit jobs, and command line options in LLVM are shared globally. So |
| 413 | // just force this feature off. Lovely stuff. |
| 414 | result.cpu.features.removeFeature(@intFromEnum(Target.hexagon.Feature.small_data)); |
| 415 | } |
| 416 | 416 | |
| 417 | | var result = try detectAbiAndDynamicLinker(cpu, os, query); |
| 417 | // https://github.com/llvm/llvm-project/issues/105978 |
| 418 | if (result.cpu.arch.isArm() and result.abi.floatAbi() == .soft) { |
| 419 | result.cpu.features.removeFeature(@intFromEnum(Target.arm.Feature.vfp2)); |
| 420 | } |
| 421 | } |
| 418 | 422 | |
| 419 | 423 | // It's possible that we detect the native ABI, but fail to detect the OS version or were told |
| 420 | 424 | // to use the default OS version range. In that case, while we can't determine the exact native |
Alex Rønne Petersen <alex@alexrp.com> 2025-01-18 12:44:52+01:00
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lib