diff options
Diffstat (limited to 'tcg')
| -rw-r--r-- | tcg/s390x/tcg-target.c.inc | 52 |
1 files changed, 16 insertions, 36 deletions
diff --git a/tcg/s390x/tcg-target.c.inc b/tcg/s390x/tcg-target.c.inc index 4d11313..b72c43e 100644 --- a/tcg/s390x/tcg-target.c.inc +++ b/tcg/s390x/tcg-target.c.inc @@ -874,14 +874,19 @@ static bool tcg_out_mov(TCGContext *s, TCGType type, TCGReg dst, TCGReg src) return true; } -static const S390Opcode lli_insns[4] = { +static const S390Opcode li_insns[4] = { RI_LLILL, RI_LLILH, RI_LLIHL, RI_LLIHH }; +static const S390Opcode lif_insns[2] = { + RIL_LLILF, RIL_LLIHF, +}; -static bool maybe_out_small_movi(TCGContext *s, TCGType type, - TCGReg ret, tcg_target_long sval) +/* load a register with an immediate value */ +static void tcg_out_movi(TCGContext *s, TCGType type, + TCGReg ret, tcg_target_long sval) { tcg_target_ulong uval = sval; + ptrdiff_t pc_off; int i; if (type == TCG_TYPE_I32) { @@ -892,36 +897,13 @@ static bool maybe_out_small_movi(TCGContext *s, TCGType type, /* Try all 32-bit insns that can load it in one go. */ if (sval >= -0x8000 && sval < 0x8000) { tcg_out_insn(s, RI, LGHI, ret, sval); - return true; - } - - for (i = 0; i < 4; i++) { - tcg_target_long mask = 0xffffull << i * 16; - if ((uval & mask) == uval) { - tcg_out_insn_RI(s, lli_insns[i], ret, uval >> i * 16); - return true; - } - } - - return false; -} - -/* load a register with an immediate value */ -static void tcg_out_movi(TCGContext *s, TCGType type, - TCGReg ret, tcg_target_long sval) -{ - tcg_target_ulong uval; - ptrdiff_t pc_off; - - /* Try all 32-bit insns that can load it in one go. */ - if (maybe_out_small_movi(s, type, ret, sval)) { return; } - uval = sval; - if (type == TCG_TYPE_I32) { - uval = (uint32_t)sval; - sval = (int32_t)sval; + i = is_const_p16(uval); + if (i >= 0) { + tcg_out_insn_RI(s, li_insns[i], ret, uval >> (i * 16)); + return; } /* Try all 48-bit insns that can load it in one go. */ @@ -929,12 +911,10 @@ static void tcg_out_movi(TCGContext *s, TCGType type, tcg_out_insn(s, RIL, LGFI, ret, sval); return; } - if (uval <= 0xffffffff) { - tcg_out_insn(s, RIL, LLILF, ret, uval); - return; - } - if ((uval & 0xffffffff) == 0) { - tcg_out_insn(s, RIL, LLIHF, ret, uval >> 32); + + i = is_const_p32(uval); + if (i >= 0) { + tcg_out_insn_RIL(s, lif_insns[i], ret, uval >> (i * 32)); return; } |