Move additional register names to their own lookup, separate from
register aliases. Fixes unnecessary renames of clobbers.
Fixes part of rdar://9425559
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133485 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 5fcd0d2..6dbda98 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -526,7 +526,6 @@
static const Builtin::Info BuiltinInfo[];
static const char * const GCCRegNames[];
static const TargetInfo::GCCRegAlias GCCRegAliases[];
-
public:
PPCTargetInfo(const std::string& triple) : TargetInfo(triple) {}
@@ -1085,18 +1084,18 @@
"xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7",
"mm0", "mm1", "mm2", "mm3", "mm4", "mm5", "mm6", "mm7",
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
- "xmm8", "xmm9", "xmm10", "xmm11", "xmm12", "xmm13", "xmm14", "xmm15"
+ "xmm8", "xmm9", "xmm10", "xmm11", "xmm12", "xmm13", "xmm14", "xmm15",
};
-const TargetInfo::GCCRegAlias GCCRegAliases[] = {
- { { "al", "ah", "eax", "rax" }, "ax" },
- { { "bl", "bh", "ebx", "rbx" }, "bx" },
- { { "cl", "ch", "ecx", "rcx" }, "cx" },
- { { "dl", "dh", "edx", "rdx" }, "dx" },
- { { "esi", "rsi" }, "si" },
- { { "edi", "rdi" }, "di" },
- { { "esp", "rsp" }, "sp" },
- { { "ebp", "rbp" }, "bp" },
+const TargetInfo::AddlRegName AddlRegNames[] = {
+ { { "al", "ah", "eax", "rax" }, 0 },
+ { { "bl", "bh", "ebx", "rbx" }, 3 },
+ { { "cl", "ch", "ecx", "rcx" }, 2 },
+ { { "dl", "dh", "edx", "rdx" }, 1 },
+ { { "esi", "rsi" }, 4 },
+ { { "edi", "rdi" }, 5 },
+ { { "esp", "rsp" }, 7 },
+ { { "ebp", "rbp" }, 6 },
};
// X86 target abstract base class; x86-32 and x86-64 are very close, so
@@ -1130,8 +1129,13 @@
}
virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
unsigned &NumAliases) const {
- Aliases = GCCRegAliases;
- NumAliases = llvm::array_lengthof(GCCRegAliases);
+ Aliases = 0;
+ NumAliases = 0;
+ }
+ virtual void getGCCAddlRegNames(const AddlRegName *&Names,
+ unsigned &NumNames) const {
+ Names = AddlRegNames;
+ NumNames = llvm::array_lengthof(AddlRegNames);
}
virtual bool validateAsmConstraint(const char *&Name,
TargetInfo::ConstraintInfo &info) const;