X-Git-Url: https://git.distorted.org.uk/~mdw/catacomb/blobdiff_plain/898f32b33bea7f1e26c8ba906facdd5038edcd57..43ea7558955ca453d4687c62d12efcb585124e8a:/base/asm-common.h diff --git a/base/asm-common.h b/base/asm-common.h index 77dd6a72..4a0a4209 100644 --- a/base/asm-common.h +++ b/base/asm-common.h @@ -203,6 +203,218 @@ name: // element 2, element B to element 1, and element A to element 0. #define SHUF(d, c, b, a) (64*(d) + 16*(c) + 4*(b) + (a)) +// Map register names to their individual pieces. + +// Apply decoration decor to (internal) register name reg of type ty. +// +// See `R_...' for internal register names. Decorations are as follows. +// +// b low byte (e.g., `al', `r8b') +// h high byte (e.g., `ah') +// w word (e.g., `ax', `r8w') +// d doubleword (e.g., `eax', `r8d') +// q quadword (e.g., `rax', `r8') +// r whole register (doubleword on x86, quadword on amd64) +// +// And types are as follows. +// +// abcd the four traditional registers `a', `b', `c', `d' +// xp the four pointer registers `si', `di', `bp', `sp' +// ip the instruction pointer `ip' +// rn the AMD64 numbered registers `r8'--`r15' +#define _DECOR(ty, decor, reg) _DECOR_##ty##_##decor(reg) + +// Internal macros: _DECOR_ty_decor(reg) applies decoration decor to +// (internal) register name reg of type ty. + +#define _DECOR_abcd_b(reg) reg##l +#define _DECOR_abcd_h(reg) reg##h +#define _DECOR_abcd_w(reg) reg##x +#define _DECOR_abcd_d(reg) e##reg##x +#if CPUFAM_AMD64 +# define _DECOR_abcd_q(reg) r##reg##x +#endif + +#define _DECOR_xp_b(reg) reg##l +#define _DECOR_xp_w(reg) reg +#define _DECOR_xp_d(reg) e##reg +#if CPUFAM_AMD64 +# define _DECOR_xp_q(reg) r##reg +#endif + +#define _DECOR_ip_w(reg) reg +#define _DECOR_ip_d(reg) e##reg +#if CPUFAM_AMD64 +# define _DECOR_ip_q(reg) r##reg +#endif + +#if CPUFAM_AMD64 +# define _DECOR_rn_b(reg) reg##b +# define _DECOR_rn_w(reg) reg##w +# define _DECOR_rn_d(reg) reg##d +# define _DECOR_rn_q(reg) reg +# define _DECOR_rn_r(reg) reg +#endif + +#if CPUFAM_X86 +# define _DECOR_abcd_r(reg) e##reg##x +# define _DECOR_xp_r(reg) e##reg +# define _DECOR_ip_r(reg) e##reg +#endif +#if CPUFAM_AMD64 +# define _DECOR_abcd_r(reg) r##reg##x +# define _DECOR_xp_r(reg) r##reg +# define _DECOR_ip_r(reg) r##reg +#endif + +#define _DECOR_mem_b(addr) byte ptr addr +#define _DECOR_mem_w(addr) word ptr addr +#define _DECOR_mem_d(addr) dword ptr addr +#if CPUFAM_AMD64 +# define _DECOR_mem_q(addr) qword ptr addr +#endif + +// R_r(decor) applies decoration decor to register r, which is an internal +// register name. The internal register names are: `ip', `a', `b', `c', `d', +// `si', `di', `bp', `sp', `r8'--`r15'. +#define R_ip(decor) _DECOR(ip, decor, ip) +#define R_a(decor) _DECOR(abcd, decor, a) +#define R_b(decor) _DECOR(abcd, decor, b) +#define R_c(decor) _DECOR(abcd, decor, c) +#define R_d(decor) _DECOR(abcd, decor, d) +#define R_si(decor) _DECOR(xp, decor, si) +#define R_di(decor) _DECOR(xp, decor, di) +#define R_bp(decor) _DECOR(xp, decor, bp) +#define R_sp(decor) _DECOR(xp, decor, sp) +#if CPUFAM_AMD64 +# define R_r8(decor) _DECOR(rn, decor, r8) +# define R_r9(decor) _DECOR(rn, decor, r9) +# define R_r10(decor) _DECOR(rn, decor, r10) +# define R_r11(decor) _DECOR(rn, decor, r11) +# define R_r12(decor) _DECOR(rn, decor, r12) +# define R_r13(decor) _DECOR(rn, decor, r13) +# define R_r14(decor) _DECOR(rn, decor, r14) +# define R_r15(decor) _DECOR(rn, decor, r15) +#endif + +// Refer to an in-memory datum of the type implied by decor residing at +// address addr (which should supply its own square-brackets). +#define MEM(decor, addr) _DECOR(mem, decor, addr) + +// Applies decoration decor to assembler-level register name reg. +#define _REGFORM(reg, decor) _GLUE(_REGFORM_, reg)(decor) + +// Internal macros: _REGFORM_r(decor) applies decoration decor to an +// assembler-level register name, in place of any decoration that register +// name has already. + +#define _REGFORM_ip(decor) R_ip(decor) +#define _REGFORM_eip(decor) R_ip(decor) + +#define _REGFORM_a(decor) R_a(decor) +#define _REGFORM_al(decor) R_a(decor) +#define _REGFORM_ah(decor) R_a(decor) +#define _REGFORM_ax(decor) R_a(decor) +#define _REGFORM_eax(decor) R_a(decor) + +#define _REGFORM_b(decor) R_b(decor) +#define _REGFORM_bl(decor) R_b(decor) +#define _REGFORM_bh(decor) R_b(decor) +#define _REGFORM_bx(decor) R_b(decor) +#define _REGFORM_ebx(decor) R_b(decor) + +#define _REGFORM_c(decor) R_c(decor) +#define _REGFORM_cl(decor) R_c(decor) +#define _REGFORM_ch(decor) R_c(decor) +#define _REGFORM_cx(decor) R_c(decor) +#define _REGFORM_ecx(decor) R_c(decor) + +#define _REGFORM_d(decor) R_d(decor) +#define _REGFORM_dl(decor) R_d(decor) +#define _REGFORM_dh(decor) R_d(decor) +#define _REGFORM_dx(decor) R_d(decor) +#define _REGFORM_edx(decor) R_d(decor) + +#define _REGFORM_si(decor) R_si(decor) +#define _REGFORM_sil(decor) R_si(decor) +#define _REGFORM_esi(decor) R_si(decor) + +#define _REGFORM_di(decor) R_di(decor) +#define _REGFORM_dil(decor) R_di(decor) +#define _REGFORM_edi(decor) R_di(decor) + +#define _REGFORM_bp(decor) R_bp(decor) +#define _REGFORM_bpl(decor) R_bp(decor) +#define _REGFORM_ebp(decor) R_bp(decor) + +#define _REGFORM_sp(decor) R_sp(decor) +#define _REGFORM_spl(decor) R_sp(decor) +#define _REGFORM_esp(decor) R_sp(decor) + +#if CPUFAM_AMD64 + +# define _REGFORM_rip(decor) R_ip(decor) +# define _REGFORM_rsp(decor) R_sp(decor) +# define _REGFORM_rbp(decor) R_bp(decor) +# define _REGFORM_rdi(decor) R_di(decor) +# define _REGFORM_rsi(decor) R_si(decor) +# define _REGFORM_rdx(decor) R_d(decor) +# define _REGFORM_rcx(decor) R_c(decor) +# define _REGFORM_rbx(decor) R_b(decor) +# define _REGFORM_rax(decor) R_a(decor) + +# define _REGFORM_r8(decor) R_r8(decor) +# define _REGFORM_r8b(decor) R_r8(decor) +# define _REGFORM_r8w(decor) R_r8(decor) +# define _REGFORM_r8d(decor) R_r8(decor) + +# define _REGFORM_r9(decor) R_r9(decor) +# define _REGFORM_r9b(decor) R_r9(decor) +# define _REGFORM_r9w(decor) R_r9(decor) +# define _REGFORM_r9d(decor) R_r9(decor) + +# define _REGFORM_r10(decor) R_r10(decor) +# define _REGFORM_r10b(decor) R_r10(decor) +# define _REGFORM_r10w(decor) R_r10(decor) +# define _REGFORM_r10d(decor) R_r10(decor) + +# define _REGFORM_r11(decor) R_r11(decor) +# define _REGFORM_r11b(decor) R_r11(decor) +# define _REGFORM_r11w(decor) R_r11(decor) +# define _REGFORM_r11d(decor) R_r11(decor) + +# define _REGFORM_r12(decor) R_r12(decor) +# define _REGFORM_r12b(decor) R_r12(decor) +# define _REGFORM_r12w(decor) R_r12(decor) +# define _REGFORM_r12d(decor) R_r12(decor) + +# define _REGFORM_r13(decor) R_r13(decor) +# define _REGFORM_r13b(decor) R_r13(decor) +# define _REGFORM_r13w(decor) R_r13(decor) +# define _REGFORM_r13d(decor) R_r13(decor) + +# define _REGFORM_r14(decor) R_r14(decor) +# define _REGFORM_r14b(decor) R_r14(decor) +# define _REGFORM_r14w(decor) R_r14(decor) +# define _REGFORM_r14d(decor) R_r14(decor) + +# define _REGFORM_r15(decor) R_r15(decor) +# define _REGFORM_r15b(decor) R_r15(decor) +# define _REGFORM_r15w(decor) R_r15(decor) +# define _REGFORM_r15d(decor) R_r15(decor) + +#endif + +// Macros for converting register names. +#define BYTE(reg) _REGFORM(reg, b) +#define HIBYTE(reg) _REGFORM(reg, h) +#define WORD(reg) _REGFORM(reg, w) +#define DWORD(reg) _REGFORM(reg, d) +#if CPUFAM_AMD64 +# define QWORD(reg) _REGFORM(reg, q) +#endif +#define WHOLE(reg) _REGFORM(reg, r) + #endif #if CPUFAM_X86 @@ -395,6 +607,255 @@ name: #endif .endm +// Apply decoration decor to register name reg. +#define _REGFORM(reg, decor) _GLUE(_REGFORM_, reg)(decor) + +// Internal macros: `_REGFORM_r(decor)' applies decoration decor to register +// name r. + +#define _REGFORM_s0(decor) _DECOR(s, decor, 0) +#define _REGFORM_s1(decor) _DECOR(s, decor, 1) +#define _REGFORM_s2(decor) _DECOR(s, decor, 2) +#define _REGFORM_s3(decor) _DECOR(s, decor, 3) +#define _REGFORM_s4(decor) _DECOR(s, decor, 4) +#define _REGFORM_s5(decor) _DECOR(s, decor, 5) +#define _REGFORM_s6(decor) _DECOR(s, decor, 6) +#define _REGFORM_s7(decor) _DECOR(s, decor, 7) +#define _REGFORM_s8(decor) _DECOR(s, decor, 8) +#define _REGFORM_s9(decor) _DECOR(s, decor, 9) +#define _REGFORM_s10(decor) _DECOR(s, decor, 10) +#define _REGFORM_s11(decor) _DECOR(s, decor, 11) +#define _REGFORM_s12(decor) _DECOR(s, decor, 12) +#define _REGFORM_s13(decor) _DECOR(s, decor, 13) +#define _REGFORM_s14(decor) _DECOR(s, decor, 14) +#define _REGFORM_s15(decor) _DECOR(s, decor, 15) +#define _REGFORM_s16(decor) _DECOR(s, decor, 16) +#define _REGFORM_s17(decor) _DECOR(s, decor, 17) +#define _REGFORM_s18(decor) _DECOR(s, decor, 18) +#define _REGFORM_s19(decor) _DECOR(s, decor, 19) +#define _REGFORM_s20(decor) _DECOR(s, decor, 20) +#define _REGFORM_s21(decor) _DECOR(s, decor, 21) +#define _REGFORM_s22(decor) _DECOR(s, decor, 22) +#define _REGFORM_s23(decor) _DECOR(s, decor, 23) +#define _REGFORM_s24(decor) _DECOR(s, decor, 24) +#define _REGFORM_s25(decor) _DECOR(s, decor, 25) +#define _REGFORM_s26(decor) _DECOR(s, decor, 26) +#define _REGFORM_s27(decor) _DECOR(s, decor, 27) +#define _REGFORM_s28(decor) _DECOR(s, decor, 28) +#define _REGFORM_s29(decor) _DECOR(s, decor, 29) +#define _REGFORM_s30(decor) _DECOR(s, decor, 30) +#define _REGFORM_s31(decor) _DECOR(s, decor, 31) + +#define _REGFORM_d0(decor) _DECOR(d, decor, 0) +#define _REGFORM_d1(decor) _DECOR(d, decor, 1) +#define _REGFORM_d2(decor) _DECOR(d, decor, 2) +#define _REGFORM_d3(decor) _DECOR(d, decor, 3) +#define _REGFORM_d4(decor) _DECOR(d, decor, 4) +#define _REGFORM_d5(decor) _DECOR(d, decor, 5) +#define _REGFORM_d6(decor) _DECOR(d, decor, 6) +#define _REGFORM_d7(decor) _DECOR(d, decor, 7) +#define _REGFORM_d8(decor) _DECOR(d, decor, 8) +#define _REGFORM_d9(decor) _DECOR(d, decor, 9) +#define _REGFORM_d10(decor) _DECOR(d, decor, 10) +#define _REGFORM_d11(decor) _DECOR(d, decor, 11) +#define _REGFORM_d12(decor) _DECOR(d, decor, 12) +#define _REGFORM_d13(decor) _DECOR(d, decor, 13) +#define _REGFORM_d14(decor) _DECOR(d, decor, 14) +#define _REGFORM_d15(decor) _DECOR(d, decor, 15) +#define _REGFORM_d16(decor) _DECOR(d, decor, 16) +#define _REGFORM_d17(decor) _DECOR(d, decor, 17) +#define _REGFORM_d18(decor) _DECOR(d, decor, 18) +#define _REGFORM_d19(decor) _DECOR(d, decor, 19) +#define _REGFORM_d20(decor) _DECOR(d, decor, 20) +#define _REGFORM_d21(decor) _DECOR(d, decor, 21) +#define _REGFORM_d22(decor) _DECOR(d, decor, 22) +#define _REGFORM_d23(decor) _DECOR(d, decor, 23) +#define _REGFORM_d24(decor) _DECOR(d, decor, 24) +#define _REGFORM_d25(decor) _DECOR(d, decor, 25) +#define _REGFORM_d26(decor) _DECOR(d, decor, 26) +#define _REGFORM_d27(decor) _DECOR(d, decor, 27) +#define _REGFORM_d28(decor) _DECOR(d, decor, 28) +#define _REGFORM_d29(decor) _DECOR(d, decor, 29) +#define _REGFORM_d30(decor) _DECOR(d, decor, 30) +#define _REGFORM_d31(decor) _DECOR(d, decor, 31) + +#define _REGFORM_q0(decor) _DECOR(q, decor, 0) +#define _REGFORM_q1(decor) _DECOR(q, decor, 1) +#define _REGFORM_q2(decor) _DECOR(q, decor, 2) +#define _REGFORM_q3(decor) _DECOR(q, decor, 3) +#define _REGFORM_q4(decor) _DECOR(q, decor, 4) +#define _REGFORM_q5(decor) _DECOR(q, decor, 5) +#define _REGFORM_q6(decor) _DECOR(q, decor, 6) +#define _REGFORM_q7(decor) _DECOR(q, decor, 7) +#define _REGFORM_q8(decor) _DECOR(q, decor, 8) +#define _REGFORM_q9(decor) _DECOR(q, decor, 9) +#define _REGFORM_q10(decor) _DECOR(q, decor, 10) +#define _REGFORM_q11(decor) _DECOR(q, decor, 11) +#define _REGFORM_q12(decor) _DECOR(q, decor, 12) +#define _REGFORM_q13(decor) _DECOR(q, decor, 13) +#define _REGFORM_q14(decor) _DECOR(q, decor, 14) +#define _REGFORM_q15(decor) _DECOR(q, decor, 15) + +// `_LOPART(n)' and `_HIPART(n)' return the numbers of the register halves of +// register n, i.e., 2*n and 2*n + 1 respectively. +#define _LOPART(n) _GLUE(_LOPART_, n) +#define _HIPART(n) _GLUE(_HIPART_, n) + +// Internal macros: `_LOPART_n' and `_HIPART_n' return the numbers of the +// register halves of register n, i.e., 2*n and 2*n + 1 respectively. + +#define _LOPART_0 0 +#define _HIPART_0 1 +#define _LOPART_1 2 +#define _HIPART_1 3 +#define _LOPART_2 4 +#define _HIPART_2 5 +#define _LOPART_3 6 +#define _HIPART_3 7 +#define _LOPART_4 8 +#define _HIPART_4 9 +#define _LOPART_5 10 +#define _HIPART_5 11 +#define _LOPART_6 12 +#define _HIPART_6 13 +#define _LOPART_7 14 +#define _HIPART_7 15 +#define _LOPART_8 16 +#define _HIPART_8 17 +#define _LOPART_9 18 +#define _HIPART_9 19 +#define _LOPART_10 20 +#define _HIPART_10 21 +#define _LOPART_11 22 +#define _HIPART_11 23 +#define _LOPART_12 24 +#define _HIPART_12 25 +#define _LOPART_13 26 +#define _HIPART_13 27 +#define _LOPART_14 28 +#define _HIPART_14 29 +#define _LOPART_15 30 +#define _HIPART_15 31 + +// Return the register number of the pair containing register n, i.e., +// floor(n/2). +#define _PAIR(n) _GLUE(_PAIR_, n) + +// Internal macros: `_PAIR_n' returns the register number of the pair +// containing register n, i.e., floor(n/2). +#define _PAIR_0 0 +#define _PAIR_1 0 +#define _PAIR_2 1 +#define _PAIR_3 1 +#define _PAIR_4 2 +#define _PAIR_5 2 +#define _PAIR_6 3 +#define _PAIR_7 3 +#define _PAIR_8 4 +#define _PAIR_9 4 +#define _PAIR_10 5 +#define _PAIR_11 5 +#define _PAIR_12 6 +#define _PAIR_13 6 +#define _PAIR_14 7 +#define _PAIR_15 7 +#define _PAIR_16 8 +#define _PAIR_17 8 +#define _PAIR_18 9 +#define _PAIR_19 9 +#define _PAIR_20 10 +#define _PAIR_21 10 +#define _PAIR_22 11 +#define _PAIR_23 11 +#define _PAIR_24 12 +#define _PAIR_25 12 +#define _PAIR_26 13 +#define _PAIR_27 13 +#define _PAIR_28 14 +#define _PAIR_29 14 +#define _PAIR_30 15 +#define _PAIR_31 15 + +// Apply decoration decor to register number n of type ty. Decorations are +// as follows. +// +// decor types meaning +// Q s, d the NEON qN register containing this one +// D s the NEON dN register containing this one +// D0 q the low 64-bit half of this one +// D1 q the high 64-bit half of this one +// S0 d, q the first 32-bit piece of this one +// S1 d, q the second 32-bit piece of this one +// S2 q the third 32-bit piece of this one +// S3 q the fourth 32-bit piece of this one +// Bn q the nth byte of this register, as a scalar +// Hn q the nth halfword of this register, as a scalar +// Wn q the nth word of this register, as a scalar +#define _DECOR(ty, decor, n) _DECOR_##ty##_##decor(n) + +// Internal macros: `_DECOR_ty_decor(n)' applies decoration decor to register +// number n of type ty. + +#define _DECOR_s_Q(n) GLUE(q, _PAIR(_PAIR(n))) +#define _DECOR_s_D(n) GLUE(d, _PAIR(n)) + +#define _DECOR_d_Q(n) GLUE(q, _PAIR(n)) +#define _DECOR_d_S0(n) GLUE(s, _LOPART(n)) +#define _DECOR_d_S1(n) GLUE(s, _LOPART(n)) + +#define _DECOR_q_D0(n) GLUE(d, _LOPART(n)) +#define _DECOR_q_D1(n) GLUE(d, _HIPART(n)) +#define _DECOR_q_S0(n) GLUE(s, _LOPART(_LOPART(n))) +#define _DECOR_q_S1(n) GLUE(s, _HIPART(_LOPART(n))) +#define _DECOR_q_S2(n) GLUE(s, _LOPART(_HIPART(n))) +#define _DECOR_q_S3(n) GLUE(s, _HIPART(_HIPART(n))) +#define _DECOR_q_W0(n) GLUE(d, _LOPART(n))[0] +#define _DECOR_q_W1(n) GLUE(d, _LOPART(n))[1] +#define _DECOR_q_W2(n) GLUE(d, _HIPART(n))[0] +#define _DECOR_q_W3(n) GLUE(d, _HIPART(n))[1] +#define _DECOR_q_H0(n) GLUE(d, _LOPART(n))[0] +#define _DECOR_q_H1(n) GLUE(d, _LOPART(n))[1] +#define _DECOR_q_H2(n) GLUE(d, _LOPART(n))[2] +#define _DECOR_q_H3(n) GLUE(d, _LOPART(n))[3] +#define _DECOR_q_H4(n) GLUE(d, _HIPART(n))[0] +#define _DECOR_q_H5(n) GLUE(d, _HIPART(n))[1] +#define _DECOR_q_H6(n) GLUE(d, _HIPART(n))[2] +#define _DECOR_q_H7(n) GLUE(d, _HIPART(n))[3] +#define _DECOR_q_B0(n) GLUE(d, _LOPART(n))[0] +#define _DECOR_q_B1(n) GLUE(d, _LOPART(n))[1] +#define _DECOR_q_B2(n) GLUE(d, _LOPART(n))[2] +#define _DECOR_q_B3(n) GLUE(d, _LOPART(n))[3] +#define _DECOR_q_B4(n) GLUE(d, _LOPART(n))[4] +#define _DECOR_q_B5(n) GLUE(d, _LOPART(n))[5] +#define _DECOR_q_B6(n) GLUE(d, _LOPART(n))[6] +#define _DECOR_q_B7(n) GLUE(d, _LOPART(n))[7] +#define _DECOR_q_B8(n) GLUE(d, _HIPART(n))[0] +#define _DECOR_q_B9(n) GLUE(d, _HIPART(n))[1] +#define _DECOR_q_B10(n) GLUE(d, _HIPART(n))[2] +#define _DECOR_q_B11(n) GLUE(d, _HIPART(n))[3] +#define _DECOR_q_B12(n) GLUE(d, _HIPART(n))[4] +#define _DECOR_q_B13(n) GLUE(d, _HIPART(n))[5] +#define _DECOR_q_B14(n) GLUE(d, _HIPART(n))[6] +#define _DECOR_q_B15(n) GLUE(d, _HIPART(n))[7] + +// Macros for navigating the NEON register hierarchy. +#define S0(reg) _REGFORM(reg, S0) +#define S1(reg) _REGFORM(reg, S1) +#define S2(reg) _REGFORM(reg, S2) +#define S3(reg) _REGFORM(reg, S3) +#define D(reg) _REGFORM(reg, D) +#define D0(reg) _REGFORM(reg, D0) +#define D1(reg) _REGFORM(reg, D1) +#define Q(reg) _REGFORM(reg, Q) + +// Macros for indexing quadword registers. +#define QB(reg, i) _REGFORM(reg, B##i) +#define QH(reg, i) _REGFORM(reg, H##i) +#define QW(reg, i) _REGFORM(reg, W##i) + +// Macros for converting vldm/vstm ranges. +#define QQ(qlo, qhi) D0(qlo)-D1(qhi) + #endif ///--------------------------------------------------------------------------