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ecd682bbf5
Summary: This patch upstreams support for a new storage only bfloat16 C type. This type is used to implement primitive support for bfloat16 data, in line with the Bfloat16 extension of the Armv8.6-a architecture, as detailed here: https://community.arm.com/developer/ip-products/processors/b/processors-ip-blog/posts/arm-architecture-developments-armv8-6-a The bfloat type, and its properties are specified in the Arm Architecture Reference Manual: https://developer.arm.com/docs/ddi0487/latest/arm-architecture-reference-manual-armv8-for-armv8-a-architecture-profile In detail this patch: - introduces an opaque, storage-only C-type __bf16, which introduces a new bfloat IR type. This is part of a patch series, starting with command-line and Bfloat16 assembly support. The subsequent patches will upstream intrinsics support for BFloat16, followed by Matrix Multiplication and the remaining Virtualization features of the armv8.6-a architecture. The following people contributed to this patch: - Luke Cheeseman - Momchil Velikov - Alexandros Lamprineas - Luke Geeson - Simon Tatham - Ties Stuij Reviewers: SjoerdMeijer, rjmccall, rsmith, liutianle, RKSimon, craig.topper, jfb, LukeGeeson, fpetrogalli Reviewed By: SjoerdMeijer Subscribers: labrinea, majnemer, asmith, dexonsmith, kristof.beyls, arphaman, danielkiss, cfe-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D76077
30 lines
1.8 KiB
C++
30 lines
1.8 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 \
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// RUN: -triple aarch64-arm-none-eabi -target-cpu cortex-a75 \
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// RUN: -target-feature +bf16 -target-feature +neon %s
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// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 \
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// RUN: -triple arm-arm-none-eabi -target-cpu cortex-a53 \
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// RUN: -target-feature +bf16 -target-feature +neon %s
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void test(bool b) {
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__bf16 bf16;
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bf16 + bf16; // expected-error {{invalid operands to binary expression ('__bf16' and '__bf16')}}
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bf16 - bf16; // expected-error {{invalid operands to binary expression ('__bf16' and '__bf16')}}
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bf16 * bf16; // expected-error {{invalid operands to binary expression ('__bf16' and '__bf16')}}
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bf16 / bf16; // expected-error {{invalid operands to binary expression ('__bf16' and '__bf16')}}
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__fp16 fp16;
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bf16 + fp16; // expected-error {{invalid operands to binary expression ('__bf16' and '__fp16')}}
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fp16 + bf16; // expected-error {{invalid operands to binary expression ('__fp16' and '__bf16')}}
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bf16 - fp16; // expected-error {{invalid operands to binary expression ('__bf16' and '__fp16')}}
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fp16 - bf16; // expected-error {{invalid operands to binary expression ('__fp16' and '__bf16')}}
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bf16 * fp16; // expected-error {{invalid operands to binary expression ('__bf16' and '__fp16')}}
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fp16 * bf16; // expected-error {{invalid operands to binary expression ('__fp16' and '__bf16')}}
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bf16 / fp16; // expected-error {{invalid operands to binary expression ('__bf16' and '__fp16')}}
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fp16 / bf16; // expected-error {{invalid operands to binary expression ('__fp16' and '__bf16')}}
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bf16 = fp16; // expected-error {{assigning to '__bf16' from incompatible type '__fp16'}}
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fp16 = bf16; // expected-error {{assigning to '__fp16' from incompatible type '__bf16'}}
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bf16 + (b ? fp16 : bf16); // expected-error {{incompatible operand types ('__fp16' and '__bf16')}}
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}
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