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https://github.com/llvm/llvm-project/pull/65756
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MaskRay wrote:
> [RISCV] Support predefined marcro __riscv_misaligned_{fast,avoid}.
The majority of patches don't add a trailing period in the title.
https://github.com/llvm/llvm-project/pull/65756
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@@ -1228,3 +1228,15 @@
// RUN: -march=rv64i_zve32x_zvkt1p0 -x c -E -dM %s \
// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKT-EXT %s
// CHECK-ZVKT-EXT: __riscv_zvkt 100{{$}}
+
+// RUN: %clang --target=riscv32-unknown-linux-gnu -march=rv32i -x c -E -dM %s \
https://github.com/MaskRay approved this pull request.
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https://github.com/MaskRay edited
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https://github.com/topperc approved this pull request.
LGTM
https://github.com/llvm/llvm-project/pull/65756
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yetingk wrote:
Ping.
https://github.com/llvm/llvm-project/pull/65756
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@@ -1220,3 +1220,15 @@
// RUN: -march=rv64i_zve32x_zvkt1p0 -x c -E -dM %s \
// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKT-EXT %s
// CHECK-ZVKT-EXT: __riscv_zvkt 100{{$}}
+
+// RUN: %clang -target riscv32-unknown-linux-gnu -march=rv32i -x c -E -dM %s \
llvmbot wrote:
@llvm/pr-subscribers-clang
Changes
RISC-V C API introduced predefined macro to achieve hints about unaligned
accesses ([pr]). This patch defines __riscv_misaligned_fast when using
-mno-strict-align, otherwise, defines __riscv_misaligned_avoid.
Note: This ignores
https://github.com/yetingk updated
https://github.com/llvm/llvm-project/pull/65756
>From 391711dd39e2ee2e8f5d3dac6f466649238f4517 Mon Sep 17 00:00:00 2001
From: Yeting Kuo
Date: Fri, 8 Sep 2023 19:46:03 +0800
Subject: [PATCH] [RISCV] Support predefined marcro
__riscv_misaligned_{fast,avoid}.
https://github.com/yetingk edited
https://github.com/llvm/llvm-project/pull/65756
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@@ -1220,3 +1220,15 @@
// RUN: -march=rv64i_zve32x_zvkt1p0 -x c -E -dM %s \
// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKT-EXT %s
// CHECK-ZVKT-EXT: __riscv_zvkt 100{{$}}
+
+// RUN: %clang -target riscv32-unknown-linux-gnu -march=rv32i -x c -E -dM %s \
https://github.com/yetingk edited
https://github.com/llvm/llvm-project/pull/65756
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@@ -1220,3 +1220,15 @@
// RUN: -march=rv64i_zve32x_zvkt1p0 -x c -E -dM %s \
// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKT-EXT %s
// CHECK-ZVKT-EXT: __riscv_zvkt 100{{$}}
+
+// RUN: %clang -target riscv32-unknown-linux-gnu -march=rv32i -x c -E -dM %s \
@@ -1220,3 +1220,15 @@
// RUN: -march=rv64i_zve32x_zvkt1p0 -x c -E -dM %s \
// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKT-EXT %s
// CHECK-ZVKT-EXT: __riscv_zvkt 100{{$}}
+
+// RUN: %clang -target riscv32-unknown-linux-gnu -march=rv32i -x c -E -dM %s \
yetingk wrote:
Ping.
https://github.com/llvm/llvm-project/pull/65756
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@@ -322,6 +327,8 @@ bool
RISCVTargetInfo::handleTargetFeatures(std::vector ,
if (ISAInfo->hasExtension("zfh") || ISAInfo->hasExtension("zhinx"))
HasLegalHalfType = true;
+ FastUnalignedAccess = llvm::is_contained(Features, "+unaligned-scalar-mem");
@@ -322,6 +327,8 @@ bool
RISCVTargetInfo::handleTargetFeatures(std::vector ,
if (ISAInfo->hasExtension("zfh") || ISAInfo->hasExtension("zhinx"))
HasLegalHalfType = true;
+ FastUnalignedAccess = llvm::is_contained(Features, "+unaligned-scalar-mem");
https://github.com/jrtc27 edited https://github.com/llvm/llvm-project/pull/65756
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@@ -1220,3 +1220,15 @@
// RUN: -march=rv64i_zve32x_zvkt1p0 -x c -E -dM %s \
// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKT-EXT %s
// CHECK-ZVKT-EXT: __riscv_zvkt 100{{$}}
+
+// RUN: %clang -target riscv32-unknown-linux-gnu -march=rv32i -x c -E -dM %s \
@@ -1220,3 +1220,15 @@
// RUN: -march=rv64i_zve32x_zvkt1p0 -x c -E -dM %s \
// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKT-EXT %s
// CHECK-ZVKT-EXT: __riscv_zvkt 100{{$}}
+
+// RUN: %clang -target riscv32-unknown-linux-gnu -march=rv32i -x c -E -dM %s \
https://github.com/yetingk edited
https://github.com/llvm/llvm-project/pull/65756
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https://github.com/yetingk created
https://github.com/llvm/llvm-project/pull/65756:
RISC-V C API introduced predefined macro to achieve hints about unaligned
accesses [0]. This patch defines __riscv_misaligned_fast when using
-mno-strict-align, otherwise, defines __riscv_misaligned_avoid.
https://github.com/yetingk review_requested
https://github.com/llvm/llvm-project/pull/65756
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