[SystemZ] Support vector registers with inline asm
Allow using vector register names and the "v" constraint
in inline asm to ensure compatibility with GCC.
llvm-svn: 322562
diff --git a/clang/lib/Basic/Targets/SystemZ.cpp b/clang/lib/Basic/Targets/SystemZ.cpp
index 98f3ae2..2dc9cdf 100644
--- a/clang/lib/Basic/Targets/SystemZ.cpp
+++ b/clang/lib/Basic/Targets/SystemZ.cpp
@@ -30,15 +30,30 @@
};
const char *const SystemZTargetInfo::GCCRegNames[] = {
- "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10",
- "r11", "r12", "r13", "r14", "r15", "f0", "f2", "f4", "f6", "f1", "f3",
- "f5", "f7", "f8", "f10", "f12", "f14", "f9", "f11", "f13", "f15"
+ "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
+ "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
+ "f0", "f2", "f4", "f6", "f1", "f3", "f5", "f7",
+ "f8", "f10", "f12", "f14", "f9", "f11", "f13", "f15",
+ /*ap*/"", "cc", /*fp*/"", /*rp*/"", "a0", "a1",
+ "v16", "v18", "v20", "v22", "v17", "v19", "v21", "v23",
+ "v24", "v26", "v28", "v30", "v25", "v27", "v29", "v31"
+};
+
+const TargetInfo::AddlRegName GCCAddlRegNames[] = {
+ {{"v0"}, 16}, {{"v2"}, 17}, {{"v4"}, 18}, {{"v6"}, 19},
+ {{"v1"}, 20}, {{"v3"}, 21}, {{"v5"}, 22}, {{"v7"}, 23},
+ {{"v8"}, 24}, {{"v10"}, 25}, {{"v12"}, 26}, {{"v14"}, 27},
+ {{"v9"}, 28}, {{"v11"}, 29}, {{"v13"}, 30}, {{"v15"}, 31}
};
ArrayRef<const char *> SystemZTargetInfo::getGCCRegNames() const {
return llvm::makeArrayRef(GCCRegNames);
}
+ArrayRef<TargetInfo::AddlRegName> SystemZTargetInfo::getGCCAddlRegNames() const {
+ return llvm::makeArrayRef(GCCAddlRegNames);
+}
+
bool SystemZTargetInfo::validateAsmConstraint(
const char *&Name, TargetInfo::ConstraintInfo &Info) const {
switch (*Name) {
@@ -48,6 +63,7 @@
case 'a': // Address register
case 'd': // Data register (equivalent to 'r')
case 'f': // Floating-point register
+ case 'v': // Vector register
Info.setAllowsRegister();
return true;
diff --git a/clang/lib/Basic/Targets/SystemZ.h b/clang/lib/Basic/Targets/SystemZ.h
index 3023c1d..91a41bc 100644
--- a/clang/lib/Basic/Targets/SystemZ.h
+++ b/clang/lib/Basic/Targets/SystemZ.h
@@ -62,6 +62,8 @@
return None;
}
+ ArrayRef<TargetInfo::AddlRegName> getGCCAddlRegNames() const override;
+
bool validateAsmConstraint(const char *&Name,
TargetInfo::ConstraintInfo &info) const override;