+struct gdbarch;
+struct frame_info;
+struct regcache;
+struct type;
+struct ui_file;
+
+/* Number of i387 floating point registers. */
+#define I387_NUM_REGS 16
+
+#define I387_ST0_REGNUM(tdep) ((tdep)->st0_regnum)
+#define I387_NUM_XMM_REGS(tdep) ((tdep)->num_xmm_regs)
+#define I387_NUM_XMM_AVX512_REGS(tdep) ((tdep)->num_xmm_avx512_regs)
+#define I387_MM0_REGNUM(tdep) ((tdep)->mm0_regnum)
+#define I387_NUM_YMM_REGS(tdep) ((tdep)->num_ymm_regs)
+#define I387_YMM0H_REGNUM(tdep) ((tdep)->ymm0h_regnum)
+
+#define I387_BND0R_REGNUM(tdep) ((tdep)->bnd0r_regnum)
+#define I387_BNDCFGU_REGNUM(tdep) ((tdep)->bndcfgu_regnum)
+
+/* Set of constants used for 32 and 64-bit. */
+#define I387_NUM_MPX_REGS 6
+#define I387_NUM_BND_REGS 4
+#define I387_NUM_MPX_CTRL_REGS 2
+#define I387_NUM_K_REGS 8
+#define I387_NUM_PKEYS_REGS 1
+
+#define I387_PKRU_REGNUM(tdep) ((tdep)->pkru_regnum)
+#define I387_K0_REGNUM(tdep) ((tdep)->k0_regnum)
+#define I387_NUM_ZMMH_REGS(tdep) ((tdep)->num_zmm_regs)
+#define I387_ZMM0H_REGNUM(tdep) ((tdep)->zmm0h_regnum)
+#define I387_NUM_YMM_AVX512_REGS(tdep) ((tdep)->num_ymm_avx512_regs)
+#define I387_YMM16H_REGNUM(tdep) ((tdep)->ymm16h_regnum)
+
+#define I387_FCTRL_REGNUM(tdep) (I387_ST0_REGNUM (tdep) + 8)
+#define I387_FSTAT_REGNUM(tdep) (I387_FCTRL_REGNUM (tdep) + 1)
+#define I387_FTAG_REGNUM(tdep) (I387_FCTRL_REGNUM (tdep) + 2)
+#define I387_FISEG_REGNUM(tdep) (I387_FCTRL_REGNUM (tdep) + 3)
+#define I387_FIOFF_REGNUM(tdep) (I387_FCTRL_REGNUM (tdep) + 4)
+#define I387_FOSEG_REGNUM(tdep) (I387_FCTRL_REGNUM (tdep) + 5)
+#define I387_FOOFF_REGNUM(tdep) (I387_FCTRL_REGNUM (tdep) + 6)
+#define I387_FOP_REGNUM(tdep) (I387_FCTRL_REGNUM (tdep) + 7)
+#define I387_XMM0_REGNUM(tdep) (I387_ST0_REGNUM (tdep) + 16)
+#define I387_XMM16_REGNUM(tdep) ((tdep)->xmm16_regnum)
+#define I387_MXCSR_REGNUM(tdep) \
+ (I387_XMM0_REGNUM (tdep) + I387_NUM_XMM_REGS (tdep))
+#define I387_YMM0_REGNUM(tdep) (I387_MXCSR_REGNUM(tdep) + 1)
+#define I387_YMMENDH_REGNUM(tdep) \
+ (I387_YMM0H_REGNUM (tdep) + I387_NUM_YMM_REGS (tdep))
+
+#define I387_MPXEND_REGNUM(tdep) \
+ (I387_BND0R_REGNUM (tdep) + I387_NUM_MPX_REGS)
+
+#define I387_KEND_REGNUM(tdep) \
+ (I387_K0_REGNUM (tdep) + I387_NUM_K_REGS)
+#define I387_ZMMENDH_REGNUM(tdep) \
+ (I387_ZMM0H_REGNUM (tdep) + I387_NUM_ZMMH_REGS (tdep))
+#define I387_YMMH_AVX512_END_REGNUM(tdep) \
+ (I387_YMM16H_REGNUM (tdep) + I387_NUM_YMM_AVX512_REGS (tdep))
+#define I387_XMM_AVX512_END_REGNUM(tdep) \
+ (I387_XMM16_REGNUM (tdep) + I387_NUM_XMM_AVX512_REGS (tdep))
+
+#define I387_PKEYSEND_REGNUM(tdep) \
+ (I387_PKRU_REGNUM (tdep) + I387_NUM_PKEYS_REGS)
+