From b8dd88b85cfcda3e12db66cfbe4c174008a7ec4a Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Sun, 23 Mar 2014 13:24:53 -0700 Subject: tcg-s390: Integrate endianness into TCGMemOp Signed-off-by: Richard Henderson --- tcg/s390/tcg-target.c | 124 ++++++++++++++++++++++++-------------------------- 1 file changed, 60 insertions(+), 64 deletions(-) diff --git a/tcg/s390/tcg-target.c b/tcg/s390/tcg-target.c index e0faacf9a3..f1d908976d 100644 --- a/tcg/s390/tcg-target.c +++ b/tcg/s390/tcg-target.c @@ -1273,11 +1273,6 @@ static void tcg_out_call(TCGContext *s, tcg_insn_unit *dest) static void tcg_out_qemu_ld_direct(TCGContext *s, TCGMemOp opc, TCGReg data, TCGReg base, TCGReg index, int disp) { -#ifdef TARGET_WORDS_BIGENDIAN - const int bswap = 0; -#else - const int bswap = 1; -#endif switch (opc) { case MO_UB: tcg_out_insn(s, RXY, LLGC, data, base, index, disp); @@ -1285,49 +1280,50 @@ static void tcg_out_qemu_ld_direct(TCGContext *s, TCGMemOp opc, TCGReg data, case MO_SB: tcg_out_insn(s, RXY, LGB, data, base, index, disp); break; + + case MO_UW | MO_BSWAP: + /* swapped unsigned halfword load with upper bits zeroed */ + tcg_out_insn(s, RXY, LRVH, data, base, index, disp); + tgen_ext16u(s, TCG_TYPE_I64, data, data); + break; case MO_UW: - if (bswap) { - /* swapped unsigned halfword load with upper bits zeroed */ - tcg_out_insn(s, RXY, LRVH, data, base, index, disp); - tgen_ext16u(s, TCG_TYPE_I64, data, data); - } else { - tcg_out_insn(s, RXY, LLGH, data, base, index, disp); - } + tcg_out_insn(s, RXY, LLGH, data, base, index, disp); + break; + + case MO_SW | MO_BSWAP: + /* swapped sign-extended halfword load */ + tcg_out_insn(s, RXY, LRVH, data, base, index, disp); + tgen_ext16s(s, TCG_TYPE_I64, data, data); break; case MO_SW: - if (bswap) { - /* swapped sign-extended halfword load */ - tcg_out_insn(s, RXY, LRVH, data, base, index, disp); - tgen_ext16s(s, TCG_TYPE_I64, data, data); - } else { - tcg_out_insn(s, RXY, LGH, data, base, index, disp); - } + tcg_out_insn(s, RXY, LGH, data, base, index, disp); + break; + + case MO_UL | MO_BSWAP: + /* swapped unsigned int load with upper bits zeroed */ + tcg_out_insn(s, RXY, LRV, data, base, index, disp); + tgen_ext32u(s, data, data); break; case MO_UL: - if (bswap) { - /* swapped unsigned int load with upper bits zeroed */ - tcg_out_insn(s, RXY, LRV, data, base, index, disp); - tgen_ext32u(s, data, data); - } else { - tcg_out_insn(s, RXY, LLGF, data, base, index, disp); - } + tcg_out_insn(s, RXY, LLGF, data, base, index, disp); + break; + + case MO_SL | MO_BSWAP: + /* swapped sign-extended int load */ + tcg_out_insn(s, RXY, LRV, data, base, index, disp); + tgen_ext32s(s, data, data); break; case MO_SL: - if (bswap) { - /* swapped sign-extended int load */ - tcg_out_insn(s, RXY, LRV, data, base, index, disp); - tgen_ext32s(s, data, data); - } else { - tcg_out_insn(s, RXY, LGF, data, base, index, disp); - } + tcg_out_insn(s, RXY, LGF, data, base, index, disp); + break; + + case MO_Q | MO_BSWAP: + tcg_out_insn(s, RXY, LRVG, data, base, index, disp); break; case MO_Q: - if (bswap) { - tcg_out_insn(s, RXY, LRVG, data, base, index, disp); - } else { - tcg_out_insn(s, RXY, LG, data, base, index, disp); - } + tcg_out_insn(s, RXY, LG, data, base, index, disp); break; + default: tcg_abort(); } @@ -1336,11 +1332,6 @@ static void tcg_out_qemu_ld_direct(TCGContext *s, TCGMemOp opc, TCGReg data, static void tcg_out_qemu_st_direct(TCGContext *s, TCGMemOp opc, TCGReg data, TCGReg base, TCGReg index, int disp) { -#ifdef TARGET_WORDS_BIGENDIAN - const int bswap = 0; -#else - const int bswap = 1; -#endif switch (opc) { case MO_UB: if (disp >= 0 && disp < 0x1000) { @@ -1349,31 +1340,36 @@ static void tcg_out_qemu_st_direct(TCGContext *s, TCGMemOp opc, TCGReg data, tcg_out_insn(s, RXY, STCY, data, base, index, disp); } break; + + case MO_UW | MO_BSWAP: + tcg_out_insn(s, RXY, STRVH, data, base, index, disp); + break; case MO_UW: - if (bswap) { - tcg_out_insn(s, RXY, STRVH, data, base, index, disp); - } else if (disp >= 0 && disp < 0x1000) { + if (disp >= 0 && disp < 0x1000) { tcg_out_insn(s, RX, STH, data, base, index, disp); } else { tcg_out_insn(s, RXY, STHY, data, base, index, disp); } break; + + case MO_UL | MO_BSWAP: + tcg_out_insn(s, RXY, STRV, data, base, index, disp); + break; case MO_UL: - if (bswap) { - tcg_out_insn(s, RXY, STRV, data, base, index, disp); - } else if (disp >= 0 && disp < 0x1000) { + if (disp >= 0 && disp < 0x1000) { tcg_out_insn(s, RX, ST, data, base, index, disp); } else { tcg_out_insn(s, RXY, STY, data, base, index, disp); } break; + + case MO_Q | MO_BSWAP: + tcg_out_insn(s, RXY, STRVG, data, base, index, disp); + break; case MO_Q: - if (bswap) { - tcg_out_insn(s, RXY, STRVG, data, base, index, disp); - } else { - tcg_out_insn(s, RXY, STG, data, base, index, disp); - } + tcg_out_insn(s, RXY, STG, data, base, index, disp); break; + default: tcg_abort(); } @@ -1457,7 +1453,7 @@ static TCGReg tcg_prepare_qemu_ldst(TCGContext* s, TCGReg data_reg, tcg_out_call(s, qemu_ld_helpers[s_bits]); /* sign extension */ - switch (opc) { + switch (opc & MO_SSIZE) { case MO_SB: tgen_ext8s(s, TCG_TYPE_I64, data_reg, TCG_REG_R2); break; @@ -1808,30 +1804,30 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc, tcg_out_qemu_ld(s, args, MO_SB); break; case INDEX_op_qemu_ld16u: - tcg_out_qemu_ld(s, args, MO_UW); + tcg_out_qemu_ld(s, args, MO_TEUW); break; case INDEX_op_qemu_ld16s: - tcg_out_qemu_ld(s, args, MO_SW); + tcg_out_qemu_ld(s, args, MO_TESW); break; case INDEX_op_qemu_ld32: /* ??? Technically we can use a non-extending instruction. */ - tcg_out_qemu_ld(s, args, MO_UL); + tcg_out_qemu_ld(s, args, MO_TEUL); break; case INDEX_op_qemu_ld64: - tcg_out_qemu_ld(s, args, MO_Q); + tcg_out_qemu_ld(s, args, MO_TEQ); break; case INDEX_op_qemu_st8: tcg_out_qemu_st(s, args, MO_UB); break; case INDEX_op_qemu_st16: - tcg_out_qemu_st(s, args, MO_UW); + tcg_out_qemu_st(s, args, MO_TEUW); break; case INDEX_op_qemu_st32: - tcg_out_qemu_st(s, args, MO_UL); + tcg_out_qemu_st(s, args, MO_TEUL); break; case INDEX_op_qemu_st64: - tcg_out_qemu_st(s, args, MO_Q); + tcg_out_qemu_st(s, args, MO_TEQ); break; case INDEX_op_ld16s_i64: @@ -2028,10 +2024,10 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc, break; case INDEX_op_qemu_ld32u: - tcg_out_qemu_ld(s, args, MO_UL); + tcg_out_qemu_ld(s, args, MO_TEUL); break; case INDEX_op_qemu_ld32s: - tcg_out_qemu_ld(s, args, MO_SL); + tcg_out_qemu_ld(s, args, MO_TESL); break; OP_32_64(deposit): -- cgit v1.2.3