[PATCH] D56007: [AArch64] Add command-line option for Execution and Data Prediction Instructions
Diogo N. Sampaio via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Fri Dec 21 08:27:21 PST 2018
dnsampaio created this revision.
dnsampaio added reviewers: javed.absar, olista01, t.p.northover, pbarrio.
Herald added subscribers: llvm-commits, kristina, kristof.beyls.
Prediction control instructions are only mandatory from v8.5a
onwards but is optional from Armv8.0-A. This patch adds a command
line option to enable it by it's own.
Repository:
rL LLVM
https://reviews.llvm.org/D56007
Files:
include/llvm/Support/AArch64TargetParser.def
include/llvm/Support/AArch64TargetParser.h
unittests/Support/TargetParserTest.cpp
Index: unittests/Support/TargetParserTest.cpp
===================================================================
--- unittests/Support/TargetParserTest.cpp
+++ unittests/Support/TargetParserTest.cpp
@@ -989,7 +989,9 @@
{"rng", "norng", "+rand", "-rand"},
{"memtag", "nomemtag", "+mte", "-mte"},
{"ssbs", "nossbs", "+ssbs", "-ssbs"},
- {"sb", "nosb", "+sb", "-sb"}};
+ {"sb", "nosb", "+sb", "-sb"},
+ {"predres", "nopredres", "+predres", "-predres"}
+};
for (unsigned i = 0; i < array_lengthof(ArchExt); i++) {
EXPECT_EQ(StringRef(ArchExt[i][2]),
Index: include/llvm/Support/AArch64TargetParser.h
===================================================================
--- include/llvm/Support/AArch64TargetParser.h
+++ include/llvm/Support/AArch64TargetParser.h
@@ -49,6 +49,7 @@
AEK_MTE = 1 << 19,
AEK_SSBS = 1 << 20,
AEK_SB = 1 << 21,
+ AEK_PREDRES = 1 << 22,
};
enum class ArchKind {
Index: include/llvm/Support/AArch64TargetParser.def
===================================================================
--- include/llvm/Support/AArch64TargetParser.def
+++ include/llvm/Support/AArch64TargetParser.def
@@ -74,6 +74,7 @@
AARCH64_ARCH_EXT_NAME("memtag", AArch64::AEK_MTE, "+mte", "-mte")
AARCH64_ARCH_EXT_NAME("ssbs", AArch64::AEK_SSBS, "+ssbs", "-ssbs")
AARCH64_ARCH_EXT_NAME("sb", AArch64::AEK_SB, "+sb", "-sb")
+AARCH64_ARCH_EXT_NAME("predres", AArch64::AEK_PREDRES, "+predres", "-predres")
#undef AARCH64_ARCH_EXT_NAME
#ifndef AARCH64_CPU_NAME
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