[PowerPC] VSX register support for inline assembly
Summary:
The patch is to add the VSX register support for inline assembly. After this
patch, we can use VSX register in inline assembly clobber list without error.
Reviewed By: jsji, nemanjai
Differential Revision: https://reviews.llvm.org/D55192
llvm-svn: 348572
diff --git a/clang/lib/Basic/Targets/PPC.cpp b/clang/lib/Basic/Targets/PPC.cpp
index b4eb3b1..db54fcf 100644
--- a/clang/lib/Basic/Targets/PPC.cpp
+++ b/clang/lib/Basic/Targets/PPC.cpp
@@ -412,6 +412,36 @@
return llvm::makeArrayRef(GCCRegAliases);
}
+// PPC ELFABIv2 DWARF Definitoin "Table 2.26. Mappings of Common Registers".
+// vs0 ~ vs31 is mapping to 32 - 63,
+// vs32 ~ vs63 is mapping to 77 - 108.
+const TargetInfo::AddlRegName GCCAddlRegNames[] = {
+ // Table of additional register names to use in user input.
+ {{"vs0"}, 32}, {{"vs1"}, 33}, {{"vs2"}, 34}, {{"vs3"}, 35},
+ {{"vs4"}, 36}, {{"vs5"}, 37}, {{"vs6"}, 38}, {{"vs7"}, 39},
+ {{"vs8"}, 40}, {{"vs9"}, 41}, {{"vs10"}, 42}, {{"vs11"}, 43},
+ {{"vs12"}, 44}, {{"vs13"}, 45}, {{"vs14"}, 46}, {{"vs15"}, 47},
+ {{"vs16"}, 48}, {{"vs17"}, 49}, {{"vs18"}, 50}, {{"vs19"}, 51},
+ {{"vs20"}, 52}, {{"vs21"}, 53}, {{"vs22"}, 54}, {{"vs23"}, 55},
+ {{"vs24"}, 56}, {{"vs25"}, 57}, {{"vs26"}, 58}, {{"vs27"}, 59},
+ {{"vs28"}, 60}, {{"vs29"}, 61}, {{"vs30"}, 62}, {{"vs31"}, 63},
+ {{"vs32"}, 77}, {{"vs33"}, 78}, {{"vs34"}, 79}, {{"vs35"}, 80},
+ {{"vs36"}, 81}, {{"vs37"}, 82}, {{"vs38"}, 83}, {{"vs39"}, 84},
+ {{"vs40"}, 85}, {{"vs41"}, 86}, {{"vs42"}, 87}, {{"vs43"}, 88},
+ {{"vs44"}, 89}, {{"vs45"}, 90}, {{"vs46"}, 91}, {{"vs47"}, 92},
+ {{"vs48"}, 93}, {{"vs49"}, 94}, {{"vs50"}, 95}, {{"vs51"}, 96},
+ {{"vs52"}, 97}, {{"vs53"}, 98}, {{"vs54"}, 99}, {{"vs55"}, 100},
+ {{"vs56"}, 101}, {{"vs57"}, 102}, {{"vs58"}, 103}, {{"vs59"}, 104},
+ {{"vs60"}, 105}, {{"vs61"}, 106}, {{"vs62"}, 107}, {{"vs63"}, 108},
+};
+
+ArrayRef<TargetInfo::AddlRegName> PPCTargetInfo::getGCCAddlRegNames() const {
+ if (ABI == "elfv2")
+ return llvm::makeArrayRef(GCCAddlRegNames);
+ else
+ return TargetInfo::getGCCAddlRegNames();
+}
+
static constexpr llvm::StringLiteral ValidCPUNames[] = {
{"generic"}, {"440"}, {"450"}, {"601"}, {"602"},
{"603"}, {"603e"}, {"603ev"}, {"604"}, {"604e"},
diff --git a/clang/lib/Basic/Targets/PPC.h b/clang/lib/Basic/Targets/PPC.h
index 97d04af..30f13c9 100644
--- a/clang/lib/Basic/Targets/PPC.h
+++ b/clang/lib/Basic/Targets/PPC.h
@@ -176,6 +176,8 @@
ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override;
+ ArrayRef<TargetInfo::AddlRegName> getGCCAddlRegNames() const override;
+
bool validateAsmConstraint(const char *&Name,
TargetInfo::ConstraintInfo &Info) const override {
switch (*Name) {