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Instead of explicitly masking against s390_facilities, create a HAVE_FACILITY macro that indexes an array. Reviewed-by: David Hildenbrand Signed-off-by: Richard Henderson --- v2: Change name to HAVE_FACILITY (david) --- tcg/s390x/tcg-target.h | 29 ++++++++------- tcg/s390x/tcg-target.c.inc | 74 +++++++++++++++++++------------------- 2 files changed, 52 insertions(+), 51 deletions(-) diff --git a/tcg/s390x/tcg-target.h b/tcg/s390x/tcg-target.h index 2e4ede2ea2..18d0d330e6 100644 --- a/tcg/s390x/tcg-target.h +++ b/tcg/s390x/tcg-target.h @@ -55,16 +55,19 @@ typedef enum TCGReg { /* A list of relevant facilities used by this translator. Some of these are required for proper operation, and these are checked at startup. */ -#define FACILITY_ZARCH_ACTIVE (1ULL << (63 - 2)) -#define FACILITY_LONG_DISP (1ULL << (63 - 18)) -#define FACILITY_EXT_IMM (1ULL << (63 - 21)) -#define FACILITY_GEN_INST_EXT (1ULL << (63 - 34)) -#define FACILITY_LOAD_ON_COND (1ULL << (63 - 45)) +#define FACILITY_ZARCH_ACTIVE 2 +#define FACILITY_LONG_DISP 18 +#define FACILITY_EXT_IMM 21 +#define FACILITY_GEN_INST_EXT 34 +#define FACILITY_LOAD_ON_COND 45 #define FACILITY_FAST_BCR_SER FACILITY_LOAD_ON_COND #define FACILITY_DISTINCT_OPS FACILITY_LOAD_ON_COND -#define FACILITY_LOAD_ON_COND2 (1ULL << (63 - 53)) +#define FACILITY_LOAD_ON_COND2 53 -extern uint64_t s390_facilities; +extern uint64_t s390_facilities[1]; + +#define HAVE_FACILITY(X) \ + ((s390_facilities[FACILITY_##X / 64] >> (63 - FACILITY_##X % 64)) & 1) /* optional instructions */ #define TCG_TARGET_HAS_div2_i32 1 @@ -85,8 +88,8 @@ extern uint64_t s390_facilities; #define TCG_TARGET_HAS_clz_i32 0 #define TCG_TARGET_HAS_ctz_i32 0 #define TCG_TARGET_HAS_ctpop_i32 0 -#define TCG_TARGET_HAS_deposit_i32 (s390_facilities & FACILITY_GEN_INST_EXT) -#define TCG_TARGET_HAS_extract_i32 (s390_facilities & FACILITY_GEN_INST_EXT) +#define TCG_TARGET_HAS_deposit_i32 HAVE_FACILITY(GEN_INST_EXT) +#define TCG_TARGET_HAS_extract_i32 HAVE_FACILITY(GEN_INST_EXT) #define TCG_TARGET_HAS_sextract_i32 0 #define TCG_TARGET_HAS_extract2_i32 0 #define TCG_TARGET_HAS_movcond_i32 1 @@ -98,7 +101,7 @@ extern uint64_t s390_facilities; #define TCG_TARGET_HAS_mulsh_i32 0 #define TCG_TARGET_HAS_extrl_i64_i32 0 #define TCG_TARGET_HAS_extrh_i64_i32 0 -#define TCG_TARGET_HAS_direct_jump (s390_facilities & FACILITY_GEN_INST_EXT) +#define TCG_TARGET_HAS_direct_jump HAVE_FACILITY(GEN_INST_EXT) #define TCG_TARGET_HAS_qemu_st8_i32 0 #define TCG_TARGET_HAS_div2_i64 1 @@ -119,11 +122,11 @@ extern uint64_t s390_facilities; #define TCG_TARGET_HAS_eqv_i64 0 #define TCG_TARGET_HAS_nand_i64 0 #define TCG_TARGET_HAS_nor_i64 0 -#define TCG_TARGET_HAS_clz_i64 (s390_facilities & FACILITY_EXT_IMM) +#define TCG_TARGET_HAS_clz_i64 HAVE_FACILITY(EXT_IMM) #define TCG_TARGET_HAS_ctz_i64 0 #define TCG_TARGET_HAS_ctpop_i64 0 -#define TCG_TARGET_HAS_deposit_i64 (s390_facilities & FACILITY_GEN_INST_EXT) -#define TCG_TARGET_HAS_extract_i64 (s390_facilities & FACILITY_GEN_INST_EXT) +#define TCG_TARGET_HAS_deposit_i64 HAVE_FACILITY(GEN_INST_EXT) +#define TCG_TARGET_HAS_extract_i64 HAVE_FACILITY(GEN_INST_EXT) #define TCG_TARGET_HAS_sextract_i64 0 #define TCG_TARGET_HAS_extract2_i64 0 #define TCG_TARGET_HAS_movcond_i64 1 diff --git a/tcg/s390x/tcg-target.c.inc b/tcg/s390x/tcg-target.c.inc index b82cf19f09..f7e4a619e7 100644 --- a/tcg/s390x/tcg-target.c.inc +++ b/tcg/s390x/tcg-target.c.inc @@ -66,7 +66,7 @@ We don't need this when we have pc-relative loads with the general instructions extension facility. */ #define TCG_REG_TB TCG_REG_R12 -#define USE_REG_TB (!(s390_facilities & FACILITY_GEN_INST_EXT)) +#define USE_REG_TB (!HAVE_FACILITY(GEN_INST_EXT)) #ifndef CONFIG_SOFTMMU #define TCG_GUEST_BASE_REG TCG_REG_R13 @@ -377,7 +377,7 @@ static void * const qemu_st_helpers[16] = { #endif static const tcg_insn_unit *tb_ret_addr; -uint64_t s390_facilities; +uint64_t s390_facilities[1]; static bool patch_reloc(tcg_insn_unit *src_rw, int type, intptr_t value, intptr_t addend) @@ -577,7 +577,7 @@ static void tcg_out_movi_int(TCGContext *s, TCGType type, TCGReg ret, } /* Try all 48-bit insns that can load it in one go. */ - if (s390_facilities & FACILITY_EXT_IMM) { + if (HAVE_FACILITY(EXT_IMM)) { if (sval == (int32_t)sval) { tcg_out_insn(s, RIL, LGFI, ret, sval); return; @@ -620,7 +620,7 @@ static void tcg_out_movi_int(TCGContext *s, TCGType type, TCGReg ret, } /* Otherwise, stuff it in the constant pool. */ - if (s390_facilities & FACILITY_GEN_INST_EXT) { + if (HAVE_FACILITY(GEN_INST_EXT)) { tcg_out_insn(s, RIL, LGRL, ret, 0); new_pool_label(s, sval, R_390_PC32DBL, s->code_ptr - 2, 2); } else if (USE_REG_TB && !in_prologue) { @@ -706,7 +706,7 @@ static void tcg_out_ld_abs(TCGContext *s, TCGType type, { intptr_t addr = (intptr_t)abs; - if ((s390_facilities & FACILITY_GEN_INST_EXT) && !(addr & 1)) { + if (HAVE_FACILITY(GEN_INST_EXT) && !(addr & 1)) { ptrdiff_t disp = tcg_pcrel_diff(s, abs) >> 1; if (disp == (int32_t)disp) { if (type == TCG_TYPE_I32) { @@ -740,7 +740,7 @@ static inline void tcg_out_risbg(TCGContext *s, TCGReg dest, TCGReg src, static void tgen_ext8s(TCGContext *s, TCGType type, TCGReg dest, TCGReg src) { - if (s390_facilities & FACILITY_EXT_IMM) { + if (HAVE_FACILITY(EXT_IMM)) { tcg_out_insn(s, RRE, LGBR, dest, src); return; } @@ -760,7 +760,7 @@ static void tgen_ext8s(TCGContext *s, TCGType type, TCGReg dest, TCGReg src) static void tgen_ext8u(TCGContext *s, TCGType type, TCGReg dest, TCGReg src) { - if (s390_facilities & FACILITY_EXT_IMM) { + if (HAVE_FACILITY(EXT_IMM)) { tcg_out_insn(s, RRE, LLGCR, dest, src); return; } @@ -780,7 +780,7 @@ static void tgen_ext8u(TCGContext *s, TCGType type, TCGReg dest, TCGReg src) static void tgen_ext16s(TCGContext *s, TCGType type, TCGReg dest, TCGReg src) { - if (s390_facilities & FACILITY_EXT_IMM) { + if (HAVE_FACILITY(EXT_IMM)) { tcg_out_insn(s, RRE, LGHR, dest, src); return; } @@ -800,7 +800,7 @@ static void tgen_ext16s(TCGContext *s, TCGType type, TCGReg dest, TCGReg src) static void tgen_ext16u(TCGContext *s, TCGType type, TCGReg dest, TCGReg src) { - if (s390_facilities & FACILITY_EXT_IMM) { + if (HAVE_FACILITY(EXT_IMM)) { tcg_out_insn(s, RRE, LLGHR, dest, src); return; } @@ -888,7 +888,7 @@ static void tgen_andi(TCGContext *s, TCGType type, TCGReg dest, uint64_t val) tgen_ext32u(s, dest, dest); return; } - if (s390_facilities & FACILITY_EXT_IMM) { + if (HAVE_FACILITY(EXT_IMM)) { if ((val & valid) == 0xff) { tgen_ext8u(s, TCG_TYPE_I64, dest, dest); return; @@ -909,7 +909,7 @@ static void tgen_andi(TCGContext *s, TCGType type, TCGReg dest, uint64_t val) } /* Try all 48-bit insns that can perform it in one go. */ - if (s390_facilities & FACILITY_EXT_IMM) { + if (HAVE_FACILITY(EXT_IMM)) { for (i = 0; i < 2; i++) { tcg_target_ulong mask = ~(0xffffffffull << i*32); if (((val | ~valid) & mask) == mask) { @@ -918,7 +918,7 @@ static void tgen_andi(TCGContext *s, TCGType type, TCGReg dest, uint64_t val) } } } - if ((s390_facilities & FACILITY_GEN_INST_EXT) && risbg_mask(val)) { + if (HAVE_FACILITY(GEN_INST_EXT) && risbg_mask(val)) { tgen_andi_risbg(s, dest, dest, val); return; } @@ -967,7 +967,7 @@ static void tgen_ori(TCGContext *s, TCGType type, TCGReg dest, uint64_t val) } /* Try all 48-bit insns that can perform it in one go. */ - if (s390_facilities & FACILITY_EXT_IMM) { + if (HAVE_FACILITY(EXT_IMM)) { for (i = 0; i < 2; i++) { tcg_target_ulong mask = (0xffffffffull << i*32); if ((val & mask) != 0 && (val & ~mask) == 0) { @@ -992,7 +992,7 @@ static void tgen_ori(TCGContext *s, TCGType type, TCGReg dest, uint64_t val) /* Perform the OR via sequential modifications to the high and low parts. Do this via recursion to handle 16-bit vs 32-bit masks in each half. */ - tcg_debug_assert(s390_facilities & FACILITY_EXT_IMM); + tcg_debug_assert(HAVE_FACILITY(EXT_IMM)); tgen_ori(s, type, dest, val & 0x00000000ffffffffull); tgen_ori(s, type, dest, val & 0xffffffff00000000ull); } @@ -1001,7 +1001,7 @@ static void tgen_ori(TCGContext *s, TCGType type, TCGReg dest, uint64_t val) static void tgen_xori(TCGContext *s, TCGType type, TCGReg dest, uint64_t val) { /* Try all 48-bit insns that can perform it in one go. */ - if (s390_facilities & FACILITY_EXT_IMM) { + if (HAVE_FACILITY(EXT_IMM)) { if ((val & 0xffffffff00000000ull) == 0) { tcg_out_insn(s, RIL, XILF, dest, val); return; @@ -1025,7 +1025,7 @@ static void tgen_xori(TCGContext *s, TCGType type, TCGReg dest, uint64_t val) tcg_tbrel_diff(s, NULL)); } else { /* Perform the xor by parts. */ - tcg_debug_assert(s390_facilities & FACILITY_EXT_IMM); + tcg_debug_assert(HAVE_FACILITY(EXT_IMM)); if (val & 0xffffffff) { tcg_out_insn(s, RIL, XILF, dest, val); } @@ -1059,7 +1059,7 @@ static int tgen_cmp(TCGContext *s, TCGType type, TCGCond c, TCGReg r1, goto exit; } - if (s390_facilities & FACILITY_EXT_IMM) { + if (HAVE_FACILITY(EXT_IMM)) { if (type == TCG_TYPE_I32) { op = (is_unsigned ? RIL_CLFI : RIL_CFI); tcg_out_insn_RIL(s, op, r1, c2); @@ -1122,7 +1122,7 @@ static void tgen_setcond(TCGContext *s, TCGType type, TCGCond cond, bool have_loc; /* With LOC2, we can always emit the minimum 3 insns. */ - if (s390_facilities & FACILITY_LOAD_ON_COND2) { + if (HAVE_FACILITY(LOAD_ON_COND2)) { /* Emit: d = 0, d = (cc ? 1 : d). */ cc = tgen_cmp(s, type, cond, c1, c2, c2const, false); tcg_out_movi(s, TCG_TYPE_I64, dest, 0); @@ -1130,7 +1130,7 @@ static void tgen_setcond(TCGContext *s, TCGType type, TCGCond cond, return; } - have_loc = (s390_facilities & FACILITY_LOAD_ON_COND) != 0; + have_loc = HAVE_FACILITY(LOAD_ON_COND); /* For HAVE_LOC, only the paths through GTU/GT/LEU/LE are smaller. */ restart: @@ -1216,7 +1216,7 @@ static void tgen_movcond(TCGContext *s, TCGType type, TCGCond c, TCGReg dest, TCGArg v3, int v3const) { int cc; - if (s390_facilities & FACILITY_LOAD_ON_COND) { + if (HAVE_FACILITY(LOAD_ON_COND)) { cc = tgen_cmp(s, type, c, c1, c2, c2const, false); if (v3const) { tcg_out_insn(s, RIE, LOCGHI, dest, v3, cc); @@ -1249,7 +1249,7 @@ static void tgen_clz(TCGContext *s, TCGReg dest, TCGReg a1, } else { tcg_out_mov(s, TCG_TYPE_I64, dest, a2); } - if (s390_facilities & FACILITY_LOAD_ON_COND) { + if (HAVE_FACILITY(LOAD_ON_COND)) { /* Emit: if (one bit found) dest = r0. */ tcg_out_insn(s, RRF, LOCGR, dest, TCG_REG_R0, 2); } else { @@ -1325,7 +1325,7 @@ static void tgen_brcond(TCGContext *s, TCGType type, TCGCond c, { int cc; - if (s390_facilities & FACILITY_GEN_INST_EXT) { + if (HAVE_FACILITY(GEN_INST_EXT)) { bool is_unsigned = is_unsigned_cond(c); bool in_range; S390Opcode opc; @@ -1519,7 +1519,7 @@ static TCGReg tcg_out_tlb_read(TCGContext *s, TCGReg addr_reg, MemOp opc, cross pages using the address of the last byte of the access. */ a_off = (a_bits >= s_bits ? 0 : s_mask - a_mask); tlb_mask = (uint64_t)TARGET_PAGE_MASK | a_mask; - if ((s390_facilities & FACILITY_GEN_INST_EXT) && a_off == 0) { + if (HAVE_FACILITY(GEN_INST_EXT) && a_off == 0) { tgen_andi_risbg(s, TCG_REG_R3, addr_reg, tlb_mask); } else { tcg_out_insn(s, RX, LA, TCG_REG_R3, addr_reg, TCG_REG_NONE, a_off); @@ -1810,7 +1810,7 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc, tcg_out_insn(s, RI, AHI, a0, a2); break; } - if (s390_facilities & FACILITY_EXT_IMM) { + if (HAVE_FACILITY(EXT_IMM)) { tcg_out_insn(s, RIL, AFI, a0, a2); break; } @@ -2056,7 +2056,7 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc, tcg_out_insn(s, RI, AGHI, a0, a2); break; } - if (s390_facilities & FACILITY_EXT_IMM) { + if (HAVE_FACILITY(EXT_IMM)) { if (a2 == (int32_t)a2) { tcg_out_insn(s, RIL, AGFI, a0, a2); break; @@ -2281,8 +2281,7 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc, /* The host memory model is quite strong, we simply need to serialize the instruction stream. */ if (args[0] & TCG_MO_ST_LD) { - tcg_out_insn(s, RR, BCR, - s390_facilities & FACILITY_FAST_BCR_SER ? 14 : 15, 0); + tcg_out_insn(s, RR, BCR, HAVE_FACILITY(FAST_BCR_SER) ? 14 : 15, 0); } break; @@ -2345,7 +2344,7 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode op) case INDEX_op_or_i64: case INDEX_op_xor_i32: case INDEX_op_xor_i64: - return (s390_facilities & FACILITY_DISTINCT_OPS + return (HAVE_FACILITY(DISTINCT_OPS) ? C_O1_I2(r, r, ri) : C_O1_I2(r, 0, ri)); @@ -2353,19 +2352,19 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode op) /* If we have the general-instruction-extensions, then we have MULTIPLY SINGLE IMMEDIATE with a signed 32-bit, otherwise we have only MULTIPLY HALFWORD IMMEDIATE, with a signed 16-bit. */ - return (s390_facilities & FACILITY_GEN_INST_EXT + return (HAVE_FACILITY(GEN_INST_EXT) ? C_O1_I2(r, 0, ri) : C_O1_I2(r, 0, rI)); case INDEX_op_mul_i64: - return (s390_facilities & FACILITY_GEN_INST_EXT + return (HAVE_FACILITY(GEN_INST_EXT) ? C_O1_I2(r, 0, rJ) : C_O1_I2(r, 0, rI)); case INDEX_op_shl_i32: case INDEX_op_shr_i32: case INDEX_op_sar_i32: - return (s390_facilities & FACILITY_DISTINCT_OPS + return (HAVE_FACILITY(DISTINCT_OPS) ? C_O1_I2(r, r, ri) : C_O1_I2(r, 0, ri)); @@ -2409,7 +2408,7 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode op) case INDEX_op_movcond_i32: case INDEX_op_movcond_i64: - return (s390_facilities & FACILITY_LOAD_ON_COND2 + return (HAVE_FACILITY(LOAD_ON_COND2) ? C_O1_I4(r, r, ri, rI, 0) : C_O1_I4(r, r, ri, r, 0)); @@ -2424,13 +2423,13 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode op) case INDEX_op_add2_i32: case INDEX_op_sub2_i32: - return (s390_facilities & FACILITY_EXT_IMM + return (HAVE_FACILITY(EXT_IMM) ? C_O2_I4(r, r, 0, 1, ri, r) : C_O2_I4(r, r, 0, 1, r, r)); case INDEX_op_add2_i64: case INDEX_op_sub2_i64: - return (s390_facilities & FACILITY_EXT_IMM + return (HAVE_FACILITY(EXT_IMM) ? C_O2_I4(r, r, 0, 1, rA, r) : C_O2_I4(r, r, 0, 1, r, r)); @@ -2446,13 +2445,12 @@ static void query_s390_facilities(void) /* Is STORE FACILITY LIST EXTENDED available? Honestly, I believe this is present on all 64-bit systems, but let's check for it anyway. */ if (hwcap & HWCAP_S390_STFLE) { - register int r0 __asm__("0"); - register void *r1 __asm__("1"); + register int r0 __asm__("0") = ARRAY_SIZE(s390_facilities) - 1; + register void *r1 __asm__("1") = s390_facilities; /* stfle 0(%r1) */ - r1 = &s390_facilities; asm volatile(".word 0xb2b0,0x1000" - : "=r"(r0) : "0"(0), "r"(r1) : "memory", "cc"); + : "=r"(r0) : "r"(r0), "r"(r1) : "memory", "cc"); } } -- 2.25.1