diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86RegisterInfo.td')
| -rw-r--r-- | llvm/lib/Target/X86/X86RegisterInfo.td | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/llvm/lib/Target/X86/X86RegisterInfo.td b/llvm/lib/Target/X86/X86RegisterInfo.td index e9ca25d808a5..99b7910131dc 100644 --- a/llvm/lib/Target/X86/X86RegisterInfo.td +++ b/llvm/lib/Target/X86/X86RegisterInfo.td @@ -716,10 +716,7 @@ def GR64_NOREX2_NOSP : RegisterClass<"X86", [i64], 64, // which we do not have right now. def LOW32_ADDR_ACCESS : RegisterClass<"X86", [i32], 32, (add GR32, RIP)>; -// When RBP is used as a base pointer in a 32-bit addresses environment, -// this is also safe to use the full register to access addresses. -// Since RBP will never be spilled, stick to a 32 alignment to save -// on memory consumption. +// FIXME: This is unused, but deleting it results in codegen changes def LOW32_ADDR_ACCESS_RBP : RegisterClass<"X86", [i32], 32, (add LOW32_ADDR_ACCESS, RBP)>; |