Add support for fcvtm/p, make scalars go through pattern matching too #8151
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zvookin
approved these changes
Mar 12, 2024
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Looks like the bots will only test PRs to main. I guess I'll just merge it and fix anything it breaks in your branch. |
abadams
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this pull request
Mar 15, 2024
* Checkpoint SVE2 restart. * Remove dead code. Add new test. * Update cmake for new file. * Checkpoint progress on SVE2. * Checkpoint ARM SVE2 support. Passes correctness_simd_op_check_sve2 test at 128 and 256 bits. * Remove an opportunity for RISC V codegen to change due to SVE2 support. * Ensure SVE intrinsics get vscale vectors and non-SVE ones get fixed vectors. Use proper prefix for neon intrinsics. Comment cleanups. * Checkpoint SVE2 work. Generally passes test, though using both NEON and SVE2 with simd_op_check_sve2 fails as both posibilities need to be allowed for 128-bit or smaller operations. * Remove an unfavored implementation possibility. * Fix opcode recognition in test to handle some cases that show up. Change name of test class to avoid confusion. * Formatting fixes. Replace internal_error with nop return for CodeGen_LLVM::match_vector_type_scalable called on scalar. * Formatting fix. * Limit SVE2 test to LLVM 19. Remove dead code. * Fix a degenerate case asking for zero sized vectors via a HAlide type with lanes of zero, which is not correct. * Fix confusion about Neon64/Neon128 and make it clear this is just the width multiplier applied to intrinsics. * REmove extraneous commented out line. * Address some review feedback. Mostly comment fixes. * Fix missed conflict resolution. * Fix some TODOs in SVE code. Move utility function to Util.h and common code the other obvious use. * Formatting. * Add missed refactor change. * Add issue to TODO comment. * Remove TODOs that don't seem necessary. * Add issue for TODO. * Add issue for TODO. * Remove dubious looking FP to int code that was ifdef'ed out. Doesn't look like a TODO is needed anymore. * Add issues for TODOs. * Update simd_op_check_sve2.cpp * Make a deep copy of each piece of test IR so that we can parallelize * Fix two clang-tidy warnings * Remove try/catch block from simd-op-check-sve2 * Don't try to run SVE2 code if vector_bits doesn't match host. * Add support for fcvtm/p, make scalars go through pattern matching too (#8151) * Don't do arm neon instruction selection on scalars This revealed a bug. FindIntrinsics was not enabled for scalars anyway, so it was semi-pointless. --------- Co-authored-by: Zalman Stern <zalman@macbook-pro.lan> Co-authored-by: Steven Johnson <srj@google.com> Co-authored-by: Andrew Adams <andrew.b.adams@gmail.com>
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This change fixes the only regression from main I could find in the sve branch, and improves things on top of that.