diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86RegisterInfo.td')
| -rw-r--r-- | llvm/lib/Target/X86/X86RegisterInfo.td | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86RegisterInfo.td b/llvm/lib/Target/X86/X86RegisterInfo.td index 0c1b05fd3ab..aa20273f89a 100644 --- a/llvm/lib/Target/X86/X86RegisterInfo.td +++ b/llvm/lib/Target/X86/X86RegisterInfo.td @@ -522,10 +522,16 @@ def FR64 : RegisterClass<"X86", [f64], 64, (add FR32)>; // faster on common hardware. In reality, this should be controlled by a // command line option or something. + def RFP32 : RegisterClass<"X86",[f32], 32, (sequence "FP%u", 0, 6)>; def RFP64 : RegisterClass<"X86",[f64], 32, (add RFP32)>; def RFP80 : RegisterClass<"X86",[f80], 32, (add RFP32)>; +// st(7) may be is not allocatable. +def RFP80_7 : RegisterClass<"X86",[f80], 32, (add FP7)> { + let isAllocatable = 0; +} + // Floating point stack registers (these are not allocatable by the // register allocator - the floating point stackifier is responsible // for transforming FPn allocations to STn registers) |