momchil-velikov wrote:
> Are you also planning to do the feature test macros, e.g. `__ARM_FEATURE_FP8`?
In principle, yes, but once the ACLE intrinsics are implemented, since the
presence of the macro indicates that
both target feature *and* the intrinsics are available.
https://github.com/llv
jroelofs wrote:
Are you also planning to do the feature test macros, e.g. `__ARM_FEATURE_FP8`?
https://github.com/llvm/llvm-project/pull/100608
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https://github.com/SpencerAbson approved this pull request.
Cheers, it LGTM.
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@@ -2582,6 +2582,60 @@ void NeonEmitter::runVectorTypes(raw_ostream &OS) {
OS << "typedef double float64_t;\n";
OS << "#endif\n\n";
+ OS << R"(
+typedef uint64_t fpm_t;
+
+enum __ARM_FPM_FORMAT { __ARM_FPM_E5M2, __ARM_FPM_E4M3 };
+
+enum __ARM_FPM_OVERFLOW { __ARM_FPM_INF
@@ -0,0 +1,165 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
UTC_ARGS: --version 5
+
+// RUN: %clang_cc1 -O2 -triple aarch64 -emit-llvm -x c -DUSE_NEON_H %s -o -
| FileCheck %s
+// RUN: %clang_cc1 -O2 -triple aarch64 -emit-llvm -x c -DUSE
@@ -2582,6 +2582,60 @@ void NeonEmitter::runVectorTypes(raw_ostream &OS) {
OS << "typedef double float64_t;\n";
OS << "#endif\n\n";
+ OS << R"(
+typedef uint64_t fpm_t;
+
+enum __ARM_FPM_FORMAT { __ARM_FPM_E5M2, __ARM_FPM_E4M3 };
+
+enum __ARM_FPM_OVERFLOW { __ARM_FPM_INF
https://github.com/SpencerAbson commented:
Thanks for updating the tests! Just a few questions.
https://github.com/llvm/llvm-project/pull/100608
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@@ -2582,6 +2582,60 @@ void NeonEmitter::runVectorTypes(raw_ostream &OS) {
OS << "typedef double float64_t;\n";
OS << "#endif\n\n";
+ OS << R"(
+typedef uint64_t fpm_t;
+
+enum __ARM_FPM_FORMAT { __ARM_FPM_E5M2, __ARM_FPM_E4M3 };
+
+enum __ARM_FPM_OVERFLOW { __ARM_FPM_INF
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@@ -0,0 +1,165 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
UTC_ARGS: --version 5
+
+// RUN: %clang_cc1 -O2 -triple aarch64 -emit-llvm -x c -DUSE_NEON_H %s -o -
| FileCheck %s
+// RUN: %clang_cc1 -O2 -triple aarch64 -emit-llvm -x c -DUSE
momchil-velikov wrote:
> > * passing `__arm_fpm_init()` as the `__fpm` to these CodeGen tests cannot
> > check whether the correct value is used to zero-out the target bits.
>
> Good point, in the tests where we set a field to zero we should start with a
> non-zero in that field.
Tweaked the
https://github.com/momchil-velikov updated
https://github.com/llvm/llvm-project/pull/100608
>From 17964507593a4ae3d2b13c4fe84500472705485f Mon Sep 17 00:00:00 2001
From: Momchil Velikov
Date: Thu, 25 Jul 2024 18:25:40 +0100
Subject: [PATCH 1/2] [AArch64] Implement FP8 floating-point mode helper
@@ -2581,6 +2581,60 @@ void NeonEmitter::runVectorTypes(raw_ostream &OS) {
OS << "typedef double float64_t;\n";
OS << "#endif\n\n";
+ OS << R"(
+typedef uint64_t fpm_t;
+
+enum __ARM_FPM_FORMAT { __ARM_FPM_E5M2, __ARM_FPM_E4M3 };
+
+enum __ARM_FPM_OVERFLOW { __ARM_FPM_INF
https://github.com/SpencerAbson edited
https://github.com/llvm/llvm-project/pull/100608
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@@ -2581,6 +2581,60 @@ void NeonEmitter::runVectorTypes(raw_ostream &OS) {
OS << "typedef double float64_t;\n";
OS << "#endif\n\n";
+ OS << R"(
+typedef uint64_t fpm_t;
+
+enum __ARM_FPM_FORMAT { __ARM_FPM_E5M2, __ARM_FPM_E4M3 };
+
+enum __ARM_FPM_OVERFLOW { __ARM_FPM_INF
https://github.com/SpencerAbson commented:
I'm unsure as to whether the fpm format will ever be changed or extended, but
there are some things to consider if it is:
- using a 64 to 32-bit downcast to zero-out bits 32-37 might be a difficult bug
to find, and the `__scale` parameter here is not m
llvmbot wrote:
@llvm/pr-subscribers-clang
Author: Momchil Velikov (momchil-velikov)
Changes
---
Full diff: https://github.com/llvm/llvm-project/pull/100608.diff
2 Files Affected:
- (added) clang/test/CodeGen/aarch64-fpm-helpers.c (+162)
- (modified) clang/utils/TableGen/NeonEmitter.c
https://github.com/momchil-velikov created
https://github.com/llvm/llvm-project/pull/100608
None
>From bd2814249f922206e8648d58d2850f89afad4fd8 Mon Sep 17 00:00:00 2001
From: Momchil Velikov
Date: Thu, 25 Jul 2024 18:25:40 +0100
Subject: [PATCH] [AArch64] Implement FP8 floating-point mode help
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