mirror of
https://github.com/Motorhead1991/qemu.git
synced 2025-08-03 07:43:54 -06:00
tcg: Convert bswap32 to TCGOutOpBswap
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
parent
0dd07ee112
commit
d7b15a25a7
24 changed files with 182 additions and 187 deletions
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@ -13,14 +13,12 @@
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#define have_lse2 (cpuinfo & CPUINFO_LSE2)
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/* optional instructions */
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#define TCG_TARGET_HAS_bswap32_i32 1
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#define TCG_TARGET_HAS_extract2_i32 1
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#define TCG_TARGET_HAS_add2_i32 1
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#define TCG_TARGET_HAS_sub2_i32 1
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#define TCG_TARGET_HAS_extr_i64_i32 0
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#define TCG_TARGET_HAS_qemu_st8_i32 0
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#define TCG_TARGET_HAS_bswap32_i64 1
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#define TCG_TARGET_HAS_bswap64_i64 1
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#define TCG_TARGET_HAS_extract2_i64 1
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#define TCG_TARGET_HAS_add2_i64 1
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@ -2456,6 +2456,20 @@ static const TCGOutOpBswap outop_bswap16 = {
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.out_rr = tgen_bswap16,
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};
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static void tgen_bswap32(TCGContext *s, TCGType type,
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TCGReg a0, TCGReg a1, unsigned flags)
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{
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tcg_out_rev(s, TCG_TYPE_I32, MO_32, a0, a1);
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if (flags & TCG_BSWAP_OS) {
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tcg_out_ext32s(s, a0, a0);
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}
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}
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static const TCGOutOpBswap outop_bswap32 = {
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.base.static_constraint = C_O1_I1(r, r),
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.out_rr = tgen_bswap32,
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};
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static void tgen_neg(TCGContext *s, TCGType type, TCGReg a0, TCGReg a1)
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{
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tgen_sub(s, type, a0, TCG_REG_XZR, a1);
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@ -2626,15 +2640,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType ext,
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case INDEX_op_bswap64_i64:
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tcg_out_rev(s, TCG_TYPE_I64, MO_64, a0, a1);
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break;
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case INDEX_op_bswap32_i64:
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tcg_out_rev(s, TCG_TYPE_I32, MO_32, a0, a1);
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if (a2 & TCG_BSWAP_OS) {
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tcg_out_ext32s(s, a0, a0);
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}
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break;
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case INDEX_op_bswap32_i32:
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tcg_out_rev(s, TCG_TYPE_I32, MO_32, a0, a1);
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break;
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case INDEX_op_deposit_i64:
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case INDEX_op_deposit_i32:
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@ -3154,8 +3159,6 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
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case INDEX_op_ld32u_i64:
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case INDEX_op_ld32s_i64:
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case INDEX_op_ld_i64:
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case INDEX_op_bswap32_i32:
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case INDEX_op_bswap32_i64:
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case INDEX_op_bswap64_i64:
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case INDEX_op_ext_i32_i64:
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case INDEX_op_extu_i32_i64:
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@ -24,7 +24,6 @@ extern bool use_neon_instructions;
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#endif
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/* optional instructions */
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#define TCG_TARGET_HAS_bswap32_i32 1
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#define TCG_TARGET_HAS_extract2_i32 1
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#define TCG_TARGET_HAS_qemu_st8_i32 0
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@ -969,12 +969,6 @@ static void tcg_out_extrl_i64_i32(TCGContext *s, TCGReg rd, TCGReg rn)
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g_assert_not_reached();
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}
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static void tcg_out_bswap32(TCGContext *s, ARMCond cond, TCGReg rd, TCGReg rn)
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{
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/* rev */
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tcg_out32(s, 0x06bf0f30 | (cond << 28) | (rd << 12) | rn);
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}
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static void tcg_out_deposit(TCGContext *s, ARMCond cond, TCGReg rd,
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TCGArg a1, int ofs, int len, bool const_a1)
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{
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@ -2157,6 +2151,18 @@ static const TCGOutOpBswap outop_bswap16 = {
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.out_rr = tgen_bswap16,
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};
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static void tgen_bswap32(TCGContext *s, TCGType type,
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TCGReg rd, TCGReg rn, unsigned flags)
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{
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/* rev */
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tcg_out32(s, 0x06bf0f30 | (COND_AL << 28) | (rd << 12) | rn);
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}
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static const TCGOutOpBswap outop_bswap32 = {
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.base.static_constraint = C_O1_I1(r, r),
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.out_rr = tgen_bswap32,
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};
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static void tgen_neg(TCGContext *s, TCGType type, TCGReg a0, TCGReg a1)
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{
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tgen_subfi(s, type, a0, 0, a1);
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@ -2378,10 +2384,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
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tcg_out_qemu_st(s, args[0], args[1], args[2], args[3], TCG_TYPE_I64);
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break;
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case INDEX_op_bswap32_i32:
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tcg_out_bswap32(s, COND_AL, args[0], args[1]);
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break;
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case INDEX_op_deposit_i32:
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tcg_out_deposit(s, COND_AL, args[0], args[2],
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args[3], args[4], const_args[2]);
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@ -2438,7 +2440,6 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
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case INDEX_op_ld16u_i32:
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case INDEX_op_ld16s_i32:
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case INDEX_op_ld_i32:
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case INDEX_op_bswap32_i32:
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case INDEX_op_extract_i32:
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case INDEX_op_sextract_i32:
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return C_O1_I1(r, r);
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@ -26,7 +26,6 @@
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#define have_avx512vbmi2 ((cpuinfo & CPUINFO_AVX512VBMI2) && have_avx512vl)
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/* optional instructions */
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#define TCG_TARGET_HAS_bswap32_i32 1
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#define TCG_TARGET_HAS_extract2_i32 1
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#define TCG_TARGET_HAS_add2_i32 1
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#define TCG_TARGET_HAS_sub2_i32 1
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@ -34,7 +33,6 @@
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#if TCG_TARGET_REG_BITS == 64
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/* Keep 32-bit values zero-extended in a register. */
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#define TCG_TARGET_HAS_extr_i64_i32 1
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#define TCG_TARGET_HAS_bswap32_i64 1
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#define TCG_TARGET_HAS_bswap64_i64 1
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#define TCG_TARGET_HAS_extract2_i64 1
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#define TCG_TARGET_HAS_add2_i64 1
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@ -3090,6 +3090,20 @@ static const TCGOutOpBswap outop_bswap16 = {
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.out_rr = tgen_bswap16,
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};
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static void tgen_bswap32(TCGContext *s, TCGType type,
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TCGReg a0, TCGReg a1, unsigned flags)
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{
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tcg_out_bswap32(s, a0);
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if (flags & TCG_BSWAP_OS) {
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tcg_out_ext32s(s, a0, a0);
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}
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}
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static const TCGOutOpBswap outop_bswap32 = {
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.base.static_constraint = C_O1_I1(r, 0),
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.out_rr = tgen_bswap32,
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};
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static void tgen_neg(TCGContext *s, TCGType type, TCGReg a0, TCGReg a1)
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{
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int rexw = type == TCG_TYPE_I32 ? 0 : P_REXW;
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@ -3193,13 +3207,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
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}
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break;
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OP_32_64(bswap32):
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tcg_out_bswap32(s, a0);
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if (rexw && (a2 & TCG_BSWAP_OS)) {
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tcg_out_ext32s(s, a0, a0);
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}
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break;
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case INDEX_op_qemu_ld_i32:
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tcg_out_qemu_ld(s, a0, -1, a1, a2, TCG_TYPE_I32);
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break;
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@ -3972,8 +3979,6 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
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case INDEX_op_st_i64:
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return C_O0_I2(re, r);
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case INDEX_op_bswap32_i32:
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case INDEX_op_bswap32_i64:
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case INDEX_op_bswap64_i64:
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case INDEX_op_extrh_i64_i32:
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return C_O1_I1(r, 0);
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@ -13,13 +13,11 @@
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#define TCG_TARGET_HAS_extract2_i32 0
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#define TCG_TARGET_HAS_add2_i32 0
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#define TCG_TARGET_HAS_sub2_i32 0
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#define TCG_TARGET_HAS_bswap32_i32 1
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#define TCG_TARGET_HAS_qemu_st8_i32 0
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/* 64-bit operations */
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#define TCG_TARGET_HAS_extract2_i64 0
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#define TCG_TARGET_HAS_extr_i64_i32 1
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#define TCG_TARGET_HAS_bswap32_i64 1
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#define TCG_TARGET_HAS_bswap64_i64 1
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#define TCG_TARGET_HAS_add2_i64 0
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#define TCG_TARGET_HAS_sub2_i64 0
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@ -1751,6 +1751,24 @@ static const TCGOutOpBswap outop_bswap16 = {
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.out_rr = tgen_bswap16,
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};
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static void tgen_bswap32(TCGContext *s, TCGType type,
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TCGReg a0, TCGReg a1, unsigned flags)
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{
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tcg_out_opc_revb_2w(s, a0, a1);
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/* All 32-bit values are computed sign-extended in the register. */
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if (type == TCG_TYPE_I32 || (flags & TCG_BSWAP_OS)) {
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tcg_out_ext32s(s, a0, a0);
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} else if ((flags & (TCG_BSWAP_IZ | TCG_BSWAP_OZ)) == TCG_BSWAP_OZ) {
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tcg_out_ext32u(s, a0, a0);
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}
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}
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static const TCGOutOpBswap outop_bswap32 = {
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.base.static_constraint = C_O1_I1(r, r),
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.out_rr = tgen_bswap32,
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};
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static void tgen_neg(TCGContext *s, TCGType type, TCGReg a0, TCGReg a1)
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{
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tgen_sub(s, type, a0, TCG_REG_ZERO, a1);
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@ -1842,19 +1860,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
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tcg_out_opc_bstrins_d(s, a0, a2, args[3], args[3] + args[4] - 1);
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break;
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case INDEX_op_bswap32_i32:
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/* All 32-bit values are computed sign-extended in the register. */
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a2 = TCG_BSWAP_OS;
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/* fallthrough */
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case INDEX_op_bswap32_i64:
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tcg_out_opc_revb_2w(s, a0, a1);
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if (a2 & TCG_BSWAP_OS) {
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tcg_out_ext32s(s, a0, a0);
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} else if ((a2 & (TCG_BSWAP_IZ | TCG_BSWAP_OZ)) == TCG_BSWAP_OZ) {
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tcg_out_ext32u(s, a0, a0);
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}
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break;
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case INDEX_op_bswap64_i64:
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tcg_out_opc_revb_d(s, a0, a1);
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break;
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@ -2454,8 +2459,6 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
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case INDEX_op_extract_i64:
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case INDEX_op_sextract_i32:
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case INDEX_op_sextract_i64:
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case INDEX_op_bswap32_i32:
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case INDEX_op_bswap32_i64:
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case INDEX_op_bswap64_i64:
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case INDEX_op_ld8s_i32:
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case INDEX_op_ld8s_i64:
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@ -39,7 +39,6 @@ extern bool use_mips32r2_instructions;
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#endif
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/* optional instructions */
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#define TCG_TARGET_HAS_bswap32_i32 1
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#if TCG_TARGET_REG_BITS == 64
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#define TCG_TARGET_HAS_add2_i32 0
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@ -56,7 +55,6 @@ extern bool use_mips32r2_instructions;
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#define TCG_TARGET_HAS_qemu_st8_i32 0
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#if TCG_TARGET_REG_BITS == 64
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#define TCG_TARGET_HAS_bswap32_i64 1
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#define TCG_TARGET_HAS_bswap64_i64 1
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#define TCG_TARGET_HAS_extract2_i64 0
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#endif
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@ -710,26 +710,6 @@ static void tcg_out_bswap_subr(TCGContext *s, const tcg_insn_unit *sub)
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}
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}
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static void tcg_out_bswap32(TCGContext *s, TCGReg ret, TCGReg arg, int flags)
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{
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if (use_mips32r2_instructions) {
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tcg_out_opc_reg(s, OPC_WSBH, ret, 0, arg);
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tcg_out_opc_sa(s, OPC_ROTR, ret, ret, 16);
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if (flags & TCG_BSWAP_OZ) {
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tcg_out_opc_bf(s, OPC_DEXT, ret, ret, 31, 0);
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}
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} else {
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if (flags & TCG_BSWAP_OZ) {
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tcg_out_bswap_subr(s, bswap32u_addr);
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} else {
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tcg_out_bswap_subr(s, bswap32_addr);
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}
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/* delay slot -- never omit the insn, like tcg_out_mov might. */
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tcg_out_opc_reg(s, OPC_OR, TCG_TMP0, arg, TCG_REG_ZERO);
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tcg_out_mov(s, TCG_TYPE_I32, ret, TCG_TMP3);
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}
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}
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static void tcg_out_bswap64(TCGContext *s, TCGReg ret, TCGReg arg)
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{
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if (use_mips32r2_instructions) {
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@ -2170,6 +2150,32 @@ static const TCGOutOpBswap outop_bswap16 = {
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.out_rr = tgen_bswap16,
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};
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static void tgen_bswap32(TCGContext *s, TCGType type,
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TCGReg ret, TCGReg arg, unsigned flags)
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{
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if (use_mips32r2_instructions) {
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tcg_out_opc_reg(s, OPC_WSBH, ret, 0, arg);
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tcg_out_opc_sa(s, OPC_ROTR, ret, ret, 16);
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if (flags & TCG_BSWAP_OZ) {
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tcg_out_opc_bf(s, OPC_DEXT, ret, ret, 31, 0);
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}
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} else {
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if (flags & TCG_BSWAP_OZ) {
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tcg_out_bswap_subr(s, bswap32u_addr);
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} else {
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tcg_out_bswap_subr(s, bswap32_addr);
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}
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/* delay slot -- never omit the insn, like tcg_out_mov might. */
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tcg_out_opc_reg(s, OPC_OR, TCG_TMP0, arg, TCG_REG_ZERO);
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tcg_out_mov(s, TCG_TYPE_I32, ret, TCG_TMP3);
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}
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}
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static const TCGOutOpBswap outop_bswap32 = {
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.base.static_constraint = C_O1_I1(r, r),
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.out_rr = tgen_bswap32,
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};
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static void tgen_neg(TCGContext *s, TCGType type, TCGReg a0, TCGReg a1)
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{
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tgen_sub(s, type, a0, TCG_REG_ZERO, a1);
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@ -2261,12 +2267,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
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tcg_out_ldst(s, i1, a0, a1, a2);
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break;
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case INDEX_op_bswap32_i32:
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tcg_out_bswap32(s, a0, a1, 0);
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break;
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case INDEX_op_bswap32_i64:
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tcg_out_bswap32(s, a0, a1, a2);
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break;
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case INDEX_op_bswap64_i64:
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tcg_out_bswap64(s, a0, a1);
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break;
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@ -2371,7 +2371,6 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
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case INDEX_op_ld16u_i32:
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case INDEX_op_ld16s_i32:
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case INDEX_op_ld_i32:
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case INDEX_op_bswap32_i32:
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case INDEX_op_extract_i32:
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case INDEX_op_sextract_i32:
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case INDEX_op_ld8u_i64:
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@ -2381,7 +2380,6 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
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case INDEX_op_ld32s_i64:
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case INDEX_op_ld32u_i64:
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case INDEX_op_ld_i64:
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case INDEX_op_bswap32_i64:
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case INDEX_op_bswap64_i64:
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case INDEX_op_ext_i32_i64:
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case INDEX_op_extu_i32_i64:
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@ -17,7 +17,6 @@
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#define have_vsx (cpuinfo & CPUINFO_VSX)
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/* optional instructions */
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#define TCG_TARGET_HAS_bswap32_i32 1
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#define TCG_TARGET_HAS_extract2_i32 0
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#define TCG_TARGET_HAS_qemu_st8_i32 0
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|
@ -25,7 +24,6 @@
|
|||
#define TCG_TARGET_HAS_add2_i32 0
|
||||
#define TCG_TARGET_HAS_sub2_i32 0
|
||||
#define TCG_TARGET_HAS_extr_i64_i32 0
|
||||
#define TCG_TARGET_HAS_bswap32_i64 1
|
||||
#define TCG_TARGET_HAS_bswap64_i64 1
|
||||
#define TCG_TARGET_HAS_extract2_i64 0
|
||||
#define TCG_TARGET_HAS_add2_i64 1
|
||||
|
|
|
@ -1012,41 +1012,6 @@ static void tcg_out_addpcis(TCGContext *s, TCGReg dst, intptr_t imm)
|
|||
tcg_out32(s, ADDPCIS | RT(dst) | (d1 << 16) | (d0 << 6) | d2);
|
||||
}
|
||||
|
||||
static void tcg_out_bswap32(TCGContext *s, TCGReg dst, TCGReg src, int flags)
|
||||
{
|
||||
TCGReg tmp = dst == src ? TCG_REG_R0 : dst;
|
||||
|
||||
if (have_isa_3_10) {
|
||||
tcg_out32(s, BRW | RA(dst) | RS(src));
|
||||
if (flags & TCG_BSWAP_OS) {
|
||||
tcg_out_ext32s(s, dst, dst);
|
||||
} else if ((flags & (TCG_BSWAP_IZ | TCG_BSWAP_OZ)) == TCG_BSWAP_OZ) {
|
||||
tcg_out_ext32u(s, dst, dst);
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
/*
|
||||
* Stolen from gcc's builtin_bswap32.
|
||||
* In the following,
|
||||
* dep(a, b, m) -> (a & ~m) | (b & m)
|
||||
*
|
||||
* Begin with: src = xxxxabcd
|
||||
*/
|
||||
/* tmp = rol32(src, 8) & 0xffffffff = 0000bcda */
|
||||
tcg_out_rlw(s, RLWINM, tmp, src, 8, 0, 31);
|
||||
/* tmp = dep(tmp, rol32(src, 24), 0xff000000) = 0000dcda */
|
||||
tcg_out_rlw(s, RLWIMI, tmp, src, 24, 0, 7);
|
||||
/* tmp = dep(tmp, rol32(src, 24), 0x0000ff00) = 0000dcba */
|
||||
tcg_out_rlw(s, RLWIMI, tmp, src, 24, 16, 23);
|
||||
|
||||
if (flags & TCG_BSWAP_OS) {
|
||||
tcg_out_ext32s(s, dst, tmp);
|
||||
} else {
|
||||
tcg_out_mov(s, TCG_TYPE_REG, dst, tmp);
|
||||
}
|
||||
}
|
||||
|
||||
static void tcg_out_bswap64(TCGContext *s, TCGReg dst, TCGReg src)
|
||||
{
|
||||
TCGReg t0 = dst == src ? TCG_REG_R0 : dst;
|
||||
|
@ -3384,6 +3349,47 @@ static const TCGOutOpBswap outop_bswap16 = {
|
|||
.out_rr = tgen_bswap16,
|
||||
};
|
||||
|
||||
static void tgen_bswap32(TCGContext *s, TCGType type,
|
||||
TCGReg dst, TCGReg src, unsigned flags)
|
||||
{
|
||||
TCGReg tmp = dst == src ? TCG_REG_R0 : dst;
|
||||
|
||||
if (have_isa_3_10) {
|
||||
tcg_out32(s, BRW | RA(dst) | RS(src));
|
||||
if (flags & TCG_BSWAP_OS) {
|
||||
tcg_out_ext32s(s, dst, dst);
|
||||
} else if ((flags & (TCG_BSWAP_IZ | TCG_BSWAP_OZ)) == TCG_BSWAP_OZ) {
|
||||
tcg_out_ext32u(s, dst, dst);
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
/*
|
||||
* Stolen from gcc's builtin_bswap32.
|
||||
* In the following,
|
||||
* dep(a, b, m) -> (a & ~m) | (b & m)
|
||||
*
|
||||
* Begin with: src = xxxxabcd
|
||||
*/
|
||||
/* tmp = rol32(src, 8) & 0xffffffff = 0000bcda */
|
||||
tcg_out_rlw(s, RLWINM, tmp, src, 8, 0, 31);
|
||||
/* tmp = dep(tmp, rol32(src, 24), 0xff000000) = 0000dcda */
|
||||
tcg_out_rlw(s, RLWIMI, tmp, src, 24, 0, 7);
|
||||
/* tmp = dep(tmp, rol32(src, 24), 0x0000ff00) = 0000dcba */
|
||||
tcg_out_rlw(s, RLWIMI, tmp, src, 24, 16, 23);
|
||||
|
||||
if (flags & TCG_BSWAP_OS) {
|
||||
tcg_out_ext32s(s, dst, tmp);
|
||||
} else {
|
||||
tcg_out_mov(s, TCG_TYPE_REG, dst, tmp);
|
||||
}
|
||||
}
|
||||
|
||||
static const TCGOutOpBswap outop_bswap32 = {
|
||||
.base.static_constraint = C_O1_I1(r, r),
|
||||
.out_rr = tgen_bswap32,
|
||||
};
|
||||
|
||||
static void tgen_neg(TCGContext *s, TCGType type, TCGReg a0, TCGReg a1)
|
||||
{
|
||||
tcg_out32(s, NEG | RT(a0) | RA(a1));
|
||||
|
@ -3506,12 +3512,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
|
|||
tcg_out_qemu_ldst_i128(s, args[0], args[1], args[2], args[3], false);
|
||||
break;
|
||||
|
||||
case INDEX_op_bswap32_i32:
|
||||
tcg_out_bswap32(s, args[0], args[1], 0);
|
||||
break;
|
||||
case INDEX_op_bswap32_i64:
|
||||
tcg_out_bswap32(s, args[0], args[1], args[2]);
|
||||
break;
|
||||
case INDEX_op_bswap64_i64:
|
||||
tcg_out_bswap64(s, args[0], args[1]);
|
||||
break;
|
||||
|
@ -4252,7 +4252,6 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
|
|||
case INDEX_op_ld16u_i32:
|
||||
case INDEX_op_ld16s_i32:
|
||||
case INDEX_op_ld_i32:
|
||||
case INDEX_op_bswap32_i32:
|
||||
case INDEX_op_extract_i32:
|
||||
case INDEX_op_sextract_i32:
|
||||
case INDEX_op_ld8u_i64:
|
||||
|
@ -4264,7 +4263,6 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
|
|||
case INDEX_op_ld_i64:
|
||||
case INDEX_op_ext_i32_i64:
|
||||
case INDEX_op_extu_i32_i64:
|
||||
case INDEX_op_bswap32_i64:
|
||||
case INDEX_op_bswap64_i64:
|
||||
case INDEX_op_extract_i64:
|
||||
case INDEX_op_sextract_i64:
|
||||
|
|
|
@ -13,12 +13,10 @@
|
|||
#define TCG_TARGET_HAS_extract2_i32 0
|
||||
#define TCG_TARGET_HAS_add2_i32 1
|
||||
#define TCG_TARGET_HAS_sub2_i32 1
|
||||
#define TCG_TARGET_HAS_bswap32_i32 (cpuinfo & CPUINFO_ZBB)
|
||||
#define TCG_TARGET_HAS_qemu_st8_i32 0
|
||||
|
||||
#define TCG_TARGET_HAS_extract2_i64 0
|
||||
#define TCG_TARGET_HAS_extr_i64_i32 1
|
||||
#define TCG_TARGET_HAS_bswap32_i64 (cpuinfo & CPUINFO_ZBB)
|
||||
#define TCG_TARGET_HAS_bswap64_i64 (cpuinfo & CPUINFO_ZBB)
|
||||
#define TCG_TARGET_HAS_add2_i64 1
|
||||
#define TCG_TARGET_HAS_sub2_i64 1
|
||||
|
|
|
@ -2424,6 +2424,23 @@ static const TCGOutOpBswap outop_bswap16 = {
|
|||
.out_rr = tgen_bswap16,
|
||||
};
|
||||
|
||||
static void tgen_bswap32(TCGContext *s, TCGType type,
|
||||
TCGReg a0, TCGReg a1, unsigned flags)
|
||||
{
|
||||
tcg_out_opc_imm(s, OPC_REV8, a0, a1, 0);
|
||||
if (flags & TCG_BSWAP_OZ) {
|
||||
tcg_out_opc_imm(s, OPC_SRLI, a0, a0, 32);
|
||||
} else {
|
||||
tcg_out_opc_imm(s, OPC_SRAI, a0, a0, 32);
|
||||
}
|
||||
}
|
||||
|
||||
static const TCGOutOpBswap outop_bswap32 = {
|
||||
.base.static_constraint = C_Dynamic,
|
||||
.base.dynamic_constraint = cset_bswap,
|
||||
.out_rr = tgen_bswap32,
|
||||
};
|
||||
|
||||
static void tgen_neg(TCGContext *s, TCGType type, TCGReg a0, TCGReg a1)
|
||||
{
|
||||
tgen_sub(s, type, a0, TCG_REG_ZERO, a1);
|
||||
|
@ -2509,17 +2526,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
|
|||
case INDEX_op_bswap64_i64:
|
||||
tcg_out_opc_imm(s, OPC_REV8, a0, a1, 0);
|
||||
break;
|
||||
case INDEX_op_bswap32_i32:
|
||||
a2 = 0;
|
||||
/* fall through */
|
||||
case INDEX_op_bswap32_i64:
|
||||
tcg_out_opc_imm(s, OPC_REV8, a0, a1, 0);
|
||||
if (a2 & TCG_BSWAP_OZ) {
|
||||
tcg_out_opc_imm(s, OPC_SRLI, a0, a0, 32);
|
||||
} else {
|
||||
tcg_out_opc_imm(s, OPC_SRAI, a0, a0, 32);
|
||||
}
|
||||
break;
|
||||
|
||||
case INDEX_op_add2_i32:
|
||||
tcg_out_addsub2(s, a0, a1, a2, args[3], args[4], args[5],
|
||||
|
@ -2858,8 +2864,6 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
|
|||
case INDEX_op_extract_i64:
|
||||
case INDEX_op_sextract_i32:
|
||||
case INDEX_op_sextract_i64:
|
||||
case INDEX_op_bswap32_i32:
|
||||
case INDEX_op_bswap32_i64:
|
||||
case INDEX_op_bswap64_i64:
|
||||
return C_O1_I1(r, r);
|
||||
|
||||
|
|
|
@ -29,14 +29,12 @@ extern uint64_t s390_facilities[3];
|
|||
((s390_facilities[FACILITY_##X / 64] >> (63 - FACILITY_##X % 64)) & 1)
|
||||
|
||||
/* optional instructions */
|
||||
#define TCG_TARGET_HAS_bswap32_i32 1
|
||||
#define TCG_TARGET_HAS_extract2_i32 0
|
||||
#define TCG_TARGET_HAS_add2_i32 1
|
||||
#define TCG_TARGET_HAS_sub2_i32 1
|
||||
#define TCG_TARGET_HAS_extr_i64_i32 0
|
||||
#define TCG_TARGET_HAS_qemu_st8_i32 0
|
||||
|
||||
#define TCG_TARGET_HAS_bswap32_i64 1
|
||||
#define TCG_TARGET_HAS_bswap64_i64 1
|
||||
#define TCG_TARGET_HAS_extract2_i64 0
|
||||
#define TCG_TARGET_HAS_add2_i64 1
|
||||
|
|
|
@ -2760,6 +2760,22 @@ static const TCGOutOpBswap outop_bswap16 = {
|
|||
.out_rr = tgen_bswap16,
|
||||
};
|
||||
|
||||
static void tgen_bswap32(TCGContext *s, TCGType type,
|
||||
TCGReg a0, TCGReg a1, unsigned flags)
|
||||
{
|
||||
tcg_out_insn(s, RRE, LRVR, a0, a1);
|
||||
if (flags & TCG_BSWAP_OS) {
|
||||
tcg_out_ext32s(s, a0, a0);
|
||||
} else if ((flags & (TCG_BSWAP_IZ | TCG_BSWAP_OZ)) == TCG_BSWAP_OZ) {
|
||||
tcg_out_ext32u(s, a0, a0);
|
||||
}
|
||||
}
|
||||
|
||||
static const TCGOutOpBswap outop_bswap32 = {
|
||||
.base.static_constraint = C_O1_I1(r, r),
|
||||
.out_rr = tgen_bswap32,
|
||||
};
|
||||
|
||||
static void tgen_neg(TCGContext *s, TCGType type, TCGReg a0, TCGReg a1)
|
||||
{
|
||||
if (type == TCG_TYPE_I32) {
|
||||
|
@ -2846,19 +2862,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
|
|||
tcg_out_st(s, TCG_TYPE_I32, args[0], args[1], args[2]);
|
||||
break;
|
||||
|
||||
case INDEX_op_bswap32_i32:
|
||||
tcg_out_insn(s, RRE, LRVR, args[0], args[1]);
|
||||
break;
|
||||
case INDEX_op_bswap32_i64:
|
||||
a0 = args[0], a1 = args[1], a2 = args[2];
|
||||
tcg_out_insn(s, RRE, LRVR, a0, a1);
|
||||
if (a2 & TCG_BSWAP_OS) {
|
||||
tcg_out_ext32s(s, a0, a0);
|
||||
} else if ((a2 & (TCG_BSWAP_IZ | TCG_BSWAP_OZ)) == TCG_BSWAP_OZ) {
|
||||
tcg_out_ext32u(s, a0, a0);
|
||||
}
|
||||
break;
|
||||
|
||||
case INDEX_op_add2_i32:
|
||||
if (const_args[4]) {
|
||||
tcg_out_insn(s, RIL, ALFI, args[0], args[4]);
|
||||
|
@ -3459,8 +3462,6 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
|
|||
case INDEX_op_st_i64:
|
||||
return C_O0_I2(r, r);
|
||||
|
||||
case INDEX_op_bswap32_i32:
|
||||
case INDEX_op_bswap32_i64:
|
||||
case INDEX_op_bswap64_i64:
|
||||
case INDEX_op_ext_i32_i64:
|
||||
case INDEX_op_extu_i32_i64:
|
||||
|
|
|
@ -14,14 +14,12 @@ extern bool use_vis3_instructions;
|
|||
#endif
|
||||
|
||||
/* optional instructions */
|
||||
#define TCG_TARGET_HAS_bswap32_i32 0
|
||||
#define TCG_TARGET_HAS_extract2_i32 0
|
||||
#define TCG_TARGET_HAS_add2_i32 1
|
||||
#define TCG_TARGET_HAS_sub2_i32 1
|
||||
#define TCG_TARGET_HAS_qemu_st8_i32 0
|
||||
|
||||
#define TCG_TARGET_HAS_extr_i64_i32 0
|
||||
#define TCG_TARGET_HAS_bswap32_i64 0
|
||||
#define TCG_TARGET_HAS_bswap64_i64 0
|
||||
#define TCG_TARGET_HAS_extract2_i64 0
|
||||
#define TCG_TARGET_HAS_add2_i64 1
|
||||
|
|
|
@ -1729,6 +1729,10 @@ static const TCGOutOpBswap outop_bswap16 = {
|
|||
.base.static_constraint = C_NotImplemented,
|
||||
};
|
||||
|
||||
static const TCGOutOpBswap outop_bswap32 = {
|
||||
.base.static_constraint = C_NotImplemented,
|
||||
};
|
||||
|
||||
static void tgen_neg(TCGContext *s, TCGType type, TCGReg a0, TCGReg a1)
|
||||
{
|
||||
tgen_sub(s, type, a0, TCG_REG_G0, a1);
|
||||
|
|
|
@ -12,7 +12,6 @@
|
|||
#if TCG_TARGET_REG_BITS == 32
|
||||
/* Turn some undef macros into false macros. */
|
||||
#define TCG_TARGET_HAS_extr_i64_i32 0
|
||||
#define TCG_TARGET_HAS_bswap32_i64 0
|
||||
#define TCG_TARGET_HAS_bswap64_i64 0
|
||||
#define TCG_TARGET_HAS_extract2_i64 0
|
||||
#define TCG_TARGET_HAS_add2_i64 0
|
||||
|
|
|
@ -1294,7 +1294,7 @@ void tcg_gen_bswap16_i32(TCGv_i32 ret, TCGv_i32 arg, int flags)
|
|||
*/
|
||||
void tcg_gen_bswap32_i32(TCGv_i32 ret, TCGv_i32 arg)
|
||||
{
|
||||
if (TCG_TARGET_HAS_bswap32_i32) {
|
||||
if (tcg_op_supported(INDEX_op_bswap32_i32, TCG_TYPE_I32, 0)) {
|
||||
tcg_gen_op3i_i32(INDEX_op_bswap32_i32, ret, arg, 0);
|
||||
} else {
|
||||
TCGv_i32 t0 = tcg_temp_ebb_new_i32();
|
||||
|
@ -2137,7 +2137,7 @@ void tcg_gen_bswap32_i64(TCGv_i64 ret, TCGv_i64 arg, int flags)
|
|||
} else {
|
||||
tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
|
||||
}
|
||||
} else if (TCG_TARGET_HAS_bswap32_i64) {
|
||||
} else if (tcg_op_supported(INDEX_op_bswap32_i64, TCG_TYPE_I64, 0)) {
|
||||
tcg_gen_op3i_i64(INDEX_op_bswap32_i64, ret, arg, flags);
|
||||
} else {
|
||||
TCGv_i64 t0 = tcg_temp_ebb_new_i64();
|
||||
|
|
|
@ -1076,6 +1076,8 @@ static const TCGOutOp * const all_outop[NB_OPS] = {
|
|||
OUTOP(INDEX_op_andc, TCGOutOpBinary, outop_andc),
|
||||
OUTOP(INDEX_op_brcond, TCGOutOpBrcond, outop_brcond),
|
||||
OUTOP(INDEX_op_bswap16, TCGOutOpBswap, outop_bswap16),
|
||||
OUTOP(INDEX_op_bswap32_i32, TCGOutOpBswap, outop_bswap32),
|
||||
OUTOP(INDEX_op_bswap32_i64, TCGOutOpBswap, outop_bswap32),
|
||||
OUTOP(INDEX_op_clz, TCGOutOpBinary, outop_clz),
|
||||
OUTOP(INDEX_op_ctpop, TCGOutOpUnary, outop_ctpop),
|
||||
OUTOP(INDEX_op_ctz, TCGOutOpBinary, outop_ctz),
|
||||
|
@ -2342,8 +2344,6 @@ bool tcg_op_supported(TCGOpcode op, TCGType type, unsigned flags)
|
|||
return TCG_TARGET_HAS_add2_i32;
|
||||
case INDEX_op_sub2_i32:
|
||||
return TCG_TARGET_HAS_sub2_i32;
|
||||
case INDEX_op_bswap32_i32:
|
||||
return TCG_TARGET_HAS_bswap32_i32;
|
||||
|
||||
case INDEX_op_brcond2_i32:
|
||||
case INDEX_op_setcond2_i32:
|
||||
|
@ -2372,8 +2372,6 @@ bool tcg_op_supported(TCGOpcode op, TCGType type, unsigned flags)
|
|||
case INDEX_op_extrl_i64_i32:
|
||||
case INDEX_op_extrh_i64_i32:
|
||||
return TCG_TARGET_HAS_extr_i64_i32;
|
||||
case INDEX_op_bswap32_i64:
|
||||
return TCG_TARGET_HAS_bswap32_i64;
|
||||
case INDEX_op_bswap64_i64:
|
||||
return TCG_TARGET_HAS_bswap64_i64;
|
||||
case INDEX_op_add2_i64:
|
||||
|
@ -5488,6 +5486,8 @@ static void tcg_reg_alloc_op(TCGContext *s, const TCGOp *op)
|
|||
break;
|
||||
|
||||
case INDEX_op_bswap16:
|
||||
case INDEX_op_bswap32_i32:
|
||||
case INDEX_op_bswap32_i64:
|
||||
{
|
||||
const TCGOutOpBswap *out =
|
||||
container_of(all_outop[op->opc], TCGOutOpBswap, base);
|
||||
|
|
|
@ -690,12 +690,10 @@ uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState *env,
|
|||
tci_args_rr(insn, &r0, &r1);
|
||||
regs[r0] = bswap16(regs[r1]);
|
||||
break;
|
||||
#if TCG_TARGET_HAS_bswap32_i32 || TCG_TARGET_HAS_bswap32_i64
|
||||
CASE_32_64(bswap32)
|
||||
tci_args_rr(insn, &r0, &r1);
|
||||
regs[r0] = bswap32(regs[r1]);
|
||||
break;
|
||||
#endif
|
||||
#if TCG_TARGET_REG_BITS == 64
|
||||
/* Load/store operations (64 bit). */
|
||||
|
||||
|
|
|
@ -7,13 +7,11 @@
|
|||
#ifndef TCG_TARGET_HAS_H
|
||||
#define TCG_TARGET_HAS_H
|
||||
|
||||
#define TCG_TARGET_HAS_bswap32_i32 1
|
||||
#define TCG_TARGET_HAS_extract2_i32 0
|
||||
#define TCG_TARGET_HAS_qemu_st8_i32 0
|
||||
|
||||
#if TCG_TARGET_REG_BITS == 64
|
||||
#define TCG_TARGET_HAS_extr_i64_i32 0
|
||||
#define TCG_TARGET_HAS_bswap32_i64 1
|
||||
#define TCG_TARGET_HAS_bswap64_i64 1
|
||||
#define TCG_TARGET_HAS_extract2_i64 0
|
||||
#define TCG_TARGET_HAS_add2_i32 1
|
||||
|
|
|
@ -57,8 +57,6 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
|
|||
case INDEX_op_ld_i64:
|
||||
case INDEX_op_ext_i32_i64:
|
||||
case INDEX_op_extu_i32_i64:
|
||||
case INDEX_op_bswap32_i32:
|
||||
case INDEX_op_bswap32_i64:
|
||||
case INDEX_op_bswap64_i64:
|
||||
case INDEX_op_extract_i32:
|
||||
case INDEX_op_extract_i64:
|
||||
|
@ -916,6 +914,20 @@ static const TCGOutOpBswap outop_bswap16 = {
|
|||
.out_rr = tgen_bswap16,
|
||||
};
|
||||
|
||||
static void tgen_bswap32(TCGContext *s, TCGType type,
|
||||
TCGReg a0, TCGReg a1, unsigned flags)
|
||||
{
|
||||
tcg_out_op_rr(s, INDEX_op_bswap32_i32, a0, a1);
|
||||
if (flags & TCG_BSWAP_OS) {
|
||||
tcg_out_sextract(s, TCG_TYPE_REG, a0, a0, 0, 32);
|
||||
}
|
||||
}
|
||||
|
||||
static const TCGOutOpBswap outop_bswap32 = {
|
||||
.base.static_constraint = C_O1_I1(r, r),
|
||||
.out_rr = tgen_bswap32,
|
||||
};
|
||||
|
||||
static void tgen_neg(TCGContext *s, TCGType type, TCGReg a0, TCGReg a1)
|
||||
{
|
||||
tcg_out_op_rr(s, INDEX_op_neg, a0, a1);
|
||||
|
@ -1026,8 +1038,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
|
|||
const TCGArg args[TCG_MAX_OP_ARGS],
|
||||
const int const_args[TCG_MAX_OP_ARGS])
|
||||
{
|
||||
int width;
|
||||
|
||||
switch (opc) {
|
||||
case INDEX_op_goto_ptr:
|
||||
tcg_out_op_r(s, opc, args[0]);
|
||||
|
@ -1062,20 +1072,10 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
|
|||
tcg_out_op_rrbb(s, opc, args[0], args[1], args[2], args[3]);
|
||||
break;
|
||||
|
||||
case INDEX_op_bswap32_i32: /* Optional (TCG_TARGET_HAS_bswap32_i32). */
|
||||
case INDEX_op_bswap64_i64: /* Optional (TCG_TARGET_HAS_bswap64_i64). */
|
||||
tcg_out_op_rr(s, opc, args[0], args[1]);
|
||||
break;
|
||||
|
||||
case INDEX_op_bswap32_i64: /* Optional (TCG_TARGET_HAS_bswap32_i64). */
|
||||
width = 32;
|
||||
/* The base tci bswaps zero-extend, and ignore high bits. */
|
||||
tcg_out_op_rr(s, opc, args[0], args[1]);
|
||||
if (args[2] & TCG_BSWAP_OS) {
|
||||
tcg_out_sextract(s, TCG_TYPE_REG, args[0], args[0], 0, width);
|
||||
}
|
||||
break;
|
||||
|
||||
CASE_32_64(add2)
|
||||
CASE_32_64(sub2)
|
||||
tcg_out_op_rrrrrr(s, opc, args[0], args[1], args[2],
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue