diff options
Diffstat (limited to 'lib/Target')
-rw-r--r-- | lib/Target/X86/X86RegisterInfo.td | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/lib/Target/X86/X86RegisterInfo.td b/lib/Target/X86/X86RegisterInfo.td index a685ad7..aac496d 100644 --- a/lib/Target/X86/X86RegisterInfo.td +++ b/lib/Target/X86/X86RegisterInfo.td @@ -76,8 +76,8 @@ def : RegisterAliases<SP, [ESP]>; def : RegisterAliases<BP, [EBP]>; // top-level register classes. The order specified in the register list is // implicitly defined to be the register allocation order. // -def R8 : RegisterClass<i8, 1, [AL, AH, CL, CH, DL, DH, BL, BH]>; -def R16 : RegisterClass<i16, 2, [AX, CX, DX, SI, DI, BX, BP, SP]> { +def R8 : RegisterClass<i8, 8, [AL, AH, CL, CH, DL, DH, BL, BH]>; +def R16 : RegisterClass<i16, 16, [AX, CX, DX, SI, DI, BX, BP, SP]> { let Methods = [{ iterator allocation_order_end(MachineFunction &MF) const { if (hasFP(MF)) // Does the function dedicate EBP to being a frame ptr? @@ -88,7 +88,7 @@ def R16 : RegisterClass<i16, 2, [AX, CX, DX, SI, DI, BX, BP, SP]> { }]; } -def R32 : RegisterClass<i32, 4, [EAX, ECX, EDX, ESI, EDI, EBX, EBP, ESP]> { +def R32 : RegisterClass<i32, 32, [EAX, ECX, EDX, ESI, EDI, EBX, EBP, ESP]> { let Methods = [{ iterator allocation_order_end(MachineFunction &MF) const { if (hasFP(MF)) // Does the function dedicate EBP to being a frame ptr? @@ -99,12 +99,7 @@ def R32 : RegisterClass<i32, 4, [EAX, ECX, EDX, ESI, EDI, EBX, EBP, ESP]> { }]; } -def RFP : RegisterClass<f80, 4, [FP0, FP1, FP2, FP3, FP4, FP5, FP6]>; +def RFP : RegisterClass<f80, 32, [FP0, FP1, FP2, FP3, FP4, FP5, FP6]>; // Floating point stack registers. -def RST : RegisterClass<f80, 4, [ST0, ST1, ST2, ST3, ST4, ST5, ST6, ST7]>; - - -// Registers which cannot be allocated. -//def : RegisterClass<i16, 2, [EFLAGS]>; - +def RST : RegisterClass<f80, 32, [ST0, ST1, ST2, ST3, ST4, ST5, ST6, ST7]>; |