Adds the X8664 register definition.
BUG=
R=stichnot@chromium.org
Review URL: https://codereview.chromium.org/1211103004.
diff --git a/src/IceInstX8664.def b/src/IceInstX8664.def
new file mode 100644
index 0000000..3fbdc90
--- /dev/null
+++ b/src/IceInstX8664.def
@@ -0,0 +1,160 @@
+//===- subzero/src/IceInstX8664.def - X-macros for x86-64 insts -*- C++ -*-===//
+//
+// The Subzero Code Generator
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines properties of lowered x86-64 instructions in the
+// form of x-macros.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef SUBZERO_SRC_ICEINSTX8664_DEF
+#define SUBZERO_SRC_ICEINSTX8664_DEF
+
+// NOTE: esp is not considered isInt, to avoid register allocating it.
+#define REGX8664_GPR_TABLE \
+ /* val, encode, name64, name, name16, name8, scratch, preserved, stackptr, \
+ frameptr, isInt, isFP */ \
+ X(Reg_rax, = 0, "rax", "eax" , "ax" , "al" , 1, 0, 0, 0, 1, 0) \
+ X(Reg_rcx, = Reg_rax + 1, "rcx", "ecx" , "cx" , "cl" , 1, 0, 0, 0, 1, 0) \
+ X(Reg_rdx, = Reg_rax + 2, "rdx", "edx" , "dx" , "dl" , 1, 0, 0, 0, 1, 0) \
+ X(Reg_rbx, = Reg_rax + 3, "rbx", "ebx" , "bx" , "bl" , 0, 1, 0, 0, 1, 0) \
+ X(Reg_rsp, = Reg_rax + 4, "rsp", "esp" , "sp" , "spl" , 0, 0, 1, 0, 0, 0) \
+ X(Reg_rbp, = Reg_rax + 5, "rbp", "ebp" , "bp" , "bpl" , 0, 0, 0, 1, 1, 0) \
+ X(Reg_rsi, = Reg_rax + 6, "rsi", "esi" , "si" , "sil" , 1, 0, 0, 0, 1, 0) \
+ X(Reg_rdi, = Reg_rax + 7, "rdi", "edi" , "di" , "dil" , 1, 0, 0, 0, 1, 0) \
+ X(Reg_r8, = Reg_rax + 8, "r8" , "r8d" , "r8w", "r8l" , 1, 0, 0, 0, 1, 0) \
+ X(Reg_r9, = Reg_rax + 9, "r9" , "r9d" , "r9w", "r9l" , 1, 0, 0, 0, 1, 0) \
+ X(Reg_r10, = Reg_rax + 10, "r10", "r10d", "r10w", "r10l", 1, 0, 0, 0, 1, 0) \
+ X(Reg_r11, = Reg_rax + 11, "r11", "r11d", "r11w", "r11l", 1, 0, 0, 0, 1, 0) \
+ X(Reg_r12, = Reg_rax + 12, "r12", "r12d", "r12w", "r12l", 0, 1, 0, 0, 1, 0) \
+ X(Reg_r13, = Reg_rax + 13, "r13", "r13d", "r13w", "r12l", 0, 1, 0, 0, 1, 0) \
+ X(Reg_r14, = Reg_rax + 14, "r14", "r14d", "r14w", "r14l", 0, 1, 0, 0, 1, 0) \
+ X(Reg_r15, = Reg_rax + 15, "r15", "r15d", "r15w", "r15l", 0, 1, 0, 0, 1, 0)
+
+#define REGX8664_XMM_TABLE \
+ /* val, encode, name64, name, name16, name8, scratch, preserved, stackptr, \
+ frameptr, isInt, isFP */ \
+ X(Reg_xmm0, = 0, "xmm0" , "", "", "", 1, 0, 0, 0, 0, 0, 1) \
+ X(Reg_xmm1, = Reg_xmm0 + 1, "xmm1" , "", "", "", 1, 0, 0, 0, 0, 0, 1) \
+ X(Reg_xmm2, = Reg_xmm0 + 2, "xmm2" , "", "", "", 1, 0, 0, 0, 0, 0, 1) \
+ X(Reg_xmm3, = Reg_xmm0 + 3, "xmm3" , "", "", "", 1, 0, 0, 0, 0, 0, 1) \
+ X(Reg_xmm4, = Reg_xmm0 + 4, "xmm4" , "", "", "", 1, 0, 0, 0, 0, 0, 1) \
+ X(Reg_xmm5, = Reg_xmm0 + 5, "xmm5" , "", "", "", 1, 0, 0, 0, 0, 0, 1) \
+ X(Reg_xmm6, = Reg_xmm0 + 6, "xmm6" , "", "", "", 1, 0, 0, 0, 0, 0, 1) \
+ X(Reg_xmm7, = Reg_xmm0 + 7, "xmm7" , "", "", "", 1, 0, 0, 0, 0, 0, 1) \
+ X(Reg_xmm8, = Reg_xmm0 + 8, "xmm8" , "", "", "", 1, 0, 0, 0, 0, 0, 1) \
+ X(Reg_xmm9, = Reg_xmm0 + 9, "xmm9" , "", "", "", 1, 0, 0, 0, 0, 0, 1) \
+ X(Reg_xmm10, = Reg_xmm0 + 10, "xmm10", "", "", "", 1, 0, 0, 0, 0, 0, 1) \
+ X(Reg_xmm11, = Reg_xmm0 + 11, "xmm11", "", "", "", 1, 0, 0, 0, 0, 0, 1) \
+ X(Reg_xmm12, = Reg_xmm0 + 12, "xmm12", "", "", "", 1, 0, 0, 0, 0, 0, 1) \
+ X(Reg_xmm13, = Reg_xmm0 + 13, "xmm13", "", "", "", 1, 0, 0, 0, 0, 0, 1) \
+ X(Reg_xmm14, = Reg_xmm0 + 14, "xmm14", "", "", "", 1, 0, 0, 0, 0, 0, 1) \
+ X(Reg_xmm15, = Reg_xmm0 + 15, "xmm15", "", "", "", 1, 0, 0, 0, 0, 0, 1)
+//#define X(val, encode, name, name32, name16, name8, scratch, preserved,
+// stackptr, frameptr, isI8, isInt, isFP)
+
+// We also provide a combined table, so that there is a namespace where
+// all of the registers are considered and have distinct numberings.
+// This is in contrast to the above, where the "encode" is based on how
+// the register numbers will be encoded in binaries and values can overlap.
+// We don't want the register allocator choosing Reg_ah, in particular
+// for lowering insertelement to pinsrb where internally we use an
+// 8-bit operand but externally pinsrb uses a 32-bit register, in
+// which Reg_ah doesn't map to eax.
+#define REGX8664_TABLE \
+ /* val, encode, name64, name, name16, name8, scratch, preserved, \
+ stackptr, frameptr, isInt, isFP */ \
+ REGX8664_GPR_TABLE \
+ X(Reg_ah, = Reg_rax + 4, "?ah", "?ah", "?ah", "ah", 0, 0, 0, 0, 0, 0) \
+ REGX8664_XMM_TABLE
+//#define X(val, encode, name, name32, name16, name8, scratch, preserved,
+// stackptr, frameptr, isI8, isInt, isFP)
+
+#define REGX8664_TABLE_BOUNDS \
+ /* val , init */ \
+ X(Reg_GPR_First, = Reg_rax ) \
+ X(Reg_GPR_Last , = Reg_r15 ) \
+ X(Reg_XMM_First, = Reg_xmm0 ) \
+ X(Reg_XMM_Last , = Reg_xmm15)
+// define X(val, init)
+
+// We also need the encodings for the Byte registers (other info overlaps
+// what is in the REGX8664_GPR_TABLE). We don't expose the ah, ch, dh,
+// bh registers to keep register selection simple.
+#define REGX8664_BYTEREG_TABLE \
+ /* val , encode */ \
+ X(Reg_al , = 0) \
+ X(Reg_cl , = Reg_al + 1) \
+ X(Reg_dl , = Reg_al + 2) \
+ X(Reg_bl , = Reg_al + 3) \
+ X(Reg_spl , = Reg_al + 4) \
+ X(Reg_bpl , = Reg_al + 5) \
+ X(Reg_sil , = Reg_al + 6) \
+ X(Reg_dil , = Reg_al + 7) \
+ X(Reg_r8l , = Reg_al + 8) \
+ X(Reg_r9l , = Reg_al + 9) \
+ X(Reg_r10l, = Reg_al + 10) \
+ X(Reg_r11l, = Reg_al + 11) \
+ X(Reg_r12l, = Reg_al + 12) \
+ X(Reg_r13l, = Reg_al + 13) \
+ X(Reg_r14l, = Reg_al + 14) \
+ X(Reg_r15l, = Reg_al + 15)
+//#define X(val, encode)
+
+#define ICEINSTX8664BR_TABLE \
+ /* enum value, encode, opposite, dump, emit */ \
+ X(Br_o , = 0, Br_no , "o" , "jo" ) \
+ X(Br_no , = 1, Br_o , "no", "jno") \
+ X(Br_b , = 2, Br_ae , "b" , "jb" ) \
+ X(Br_ae , = 3, Br_b , "ae", "jae") \
+ X(Br_e , = 4, Br_ne , "e" , "je" ) \
+ X(Br_ne , = 5, Br_e , "ne", "jne") \
+ X(Br_be , = 6, Br_a , "be", "jbe") \
+ X(Br_a , = 7, Br_be , "a" , "ja" ) \
+ X(Br_s , = 8, Br_ns , "s" , "js" ) \
+ X(Br_ns , = 9, Br_s , "ns", "jns") \
+ X(Br_p , = 10, Br_np , "p" , "jp" ) \
+ X(Br_np , = 11, Br_p , "np", "jnp") \
+ X(Br_l , = 12, Br_ge , "l" , "jl" ) \
+ X(Br_ge , = 13, Br_l , "ge", "jge") \
+ X(Br_le , = 14, Br_g , "le", "jle") \
+ X(Br_g , = 15, Br_le , "g" , "jg"):
+//#define X(tag, encode, opp, dump, emit)
+
+#define ICEINSTX8664CMPPS_TABLE \
+ /* enum value, emit */ \
+ X(Cmpps_eq , "eq" ) \
+ X(Cmpps_lt , "lt" ) \
+ X(Cmpps_le , "le" ) \
+ X(Cmpps_unord, "unord") \
+ X(Cmpps_neq , "neq" ) \
+ X(Cmpps_nlt , "nlt" ) \
+ X(Cmpps_nle , "nle" ) \
+ X(Cmpps_ord , "ord" )
+//#define X(tag, emit)
+
+#define ICETYPEX8664_TABLE \
+ /* tag , element type, cvt , sdss, pack, width, fld */ \
+ X(IceType_void , IceType_void, "?" , "" , "" , "" , "" ) \
+ X(IceType_i1 , IceType_void, "si", "" , "" , "b" , "" ) \
+ X(IceType_i8 , IceType_void, "si", "" , "" , "b" , "" ) \
+ X(IceType_i16 , IceType_void, "si", "" , "" , "w" , "" ) \
+ X(IceType_i32 , IceType_void, "si", "" , "" , "l" , "" ) \
+ X(IceType_i64 , IceType_void, "si", "" , "" , "q" , "" ) \
+ X(IceType_f32 , IceType_void, "ss", "ss", "d" , "" , "s") \
+ X(IceType_f64 , IceType_void, "sd", "sd", "q" , "" , "l") \
+ X(IceType_v4i1 , IceType_i32 , "?" , "" , "d" , "" , "" ) \
+ X(IceType_v8i1 , IceType_i16 , "?" , "" , "w" , "" , "" ) \
+ X(IceType_v16i1, IceType_i8 , "?" , "" , "b" , "" , "" ) \
+ X(IceType_v16i8, IceType_i8 , "?" , "" , "b" , "" , "" ) \
+ X(IceType_v8i16, IceType_i16 , "?" , "" , "w" , "" , "" ) \
+ X(IceType_v4i32, IceType_i32 , "dq", "" , "d" , "" , "" ) \
+ X(IceType_v4f32, IceType_f32 , "ps", "" , "d" , "" , "" )
+//#define X(tag, elementty, cvt, sdss, pack, width, fld)
+
+#endif // SUBZERO_SRC_ICEINSTX8664_DEF
diff --git a/src/IceRegistersX8664.h b/src/IceRegistersX8664.h
new file mode 100644
index 0000000..f503c70
--- /dev/null
+++ b/src/IceRegistersX8664.h
@@ -0,0 +1,99 @@
+//===- subzero/src/IceRegistersX8664.h - Register information ---*- C++ -*-===//
+//
+// The Subzero Code Generator
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares the registers and their encodings for x86-64.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef SUBZERO_SRC_ICEREGISTERSX8664_H
+#define SUBZERO_SRC_ICEREGISTERSX8664_H
+
+#include "IceDefs.h"
+#include "IceInstX8664.def"
+#include "IceTypes.h"
+
+namespace Ice {
+
+namespace RegX8664 {
+
+// An enum of every register. The enum value may not match the encoding
+// used to binary encode register operands in instructions.
+enum AllRegisters {
+#define X(val, encode, name, name32, name16, name8, scratch, preserved, \
+ stackptr, frameptr, isI8, isInt, isFP) \
+ val,
+ REGX8664_TABLE
+#undef X
+ Reg_NUM,
+#define X(val, init) val init,
+ REGX8664_TABLE_BOUNDS
+#undef X
+};
+
+// An enum of GPR Registers. The enum value does match the encoding used
+// to binary encode register operands in instructions.
+enum GPRRegister {
+#define X(val, encode, name, name32, name16, name8, scratch, preserved, \
+ stackptr, frameptr, isI8, isInt, isFP) \
+ Encoded_##val encode,
+ REGX8664_GPR_TABLE
+#undef X
+ Encoded_Not_GPR = -1
+};
+
+// An enum of XMM Registers. The enum value does match the encoding used
+// to binary encode register operands in instructions.
+enum XmmRegister {
+#define X(val, encode, name, name32, name16, name8, scratch, preserved, \
+ stackptr, frameptr, isI8, isInt, isFP) \
+ Encoded_##val encode,
+ REGX8664_XMM_TABLE
+#undef X
+ Encoded_Not_Xmm = -1
+};
+
+// An enum of Byte Registers. The enum value does match the encoding used
+// to binary encode register operands in instructions.
+enum ByteRegister {
+#define X(val, encode) Encoded_##val encode,
+ REGX8664_BYTEREG_TABLE
+#undef X
+ Encoded_Not_ByteReg = -1
+};
+
+static inline GPRRegister getEncodedGPR(int32_t RegNum) {
+ assert(Reg_GPR_First <= RegNum && RegNum <= Reg_GPR_Last);
+ return GPRRegister(RegNum - Reg_GPR_First);
+}
+
+static inline XmmRegister getEncodedXmm(int32_t RegNum) {
+ assert(Reg_XMM_First <= RegNum && RegNum <= Reg_XMM_Last);
+ return XmmRegister(RegNum - Reg_XMM_First);
+}
+
+static inline ByteRegister getEncodedByteReg(int32_t RegNum) {
+ // In x86-64, AH is not encodable when the REX prefix is used; the same
+ // encoding is used for spl. Therefore, ah needs special handling.
+ if (RegNum == Reg_ah)
+ return Encoded_Reg_spl;
+ return ByteRegister(RegNum - Reg_GPR_First);
+}
+
+static inline GPRRegister getEncodedByteRegOrGPR(Type Ty, int32_t RegNum) {
+ if (isByteSizedType(Ty))
+ return GPRRegister(getEncodedByteReg(RegNum));
+ else
+ return getEncodedGPR(RegNum);
+}
+
+} // end of namespace RegX8664
+
+} // end of namespace Ice
+
+#endif // SUBZERO_SRC_ICEREGISTERSX8664_H
