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[71.212.47.143]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-309f7765c88sm2212961a91.28.2025.04.25.15.02.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Apr 2025 15:02:06 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Subject: [PULL 094/159] tcg: Merge INDEX_op_bswap32_{i32,i64} Date: Fri, 25 Apr 2025 14:53:48 -0700 Message-ID: <20250425215454.886111-95-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250425215454.886111-1-richard.henderson@linaro.org> References: <20250425215454.886111-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::634; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x634.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson --- include/tcg/tcg-opc.h | 4 +--- tcg/optimize.c | 7 +++---- tcg/tcg-op.c | 8 ++++---- tcg/tcg.c | 9 +++------ tcg/tci.c | 5 ++--- docs/devel/tcg-ops.rst | 13 ++++++------- tcg/tci/tcg-target.c.inc | 2 +- 7 files changed, 20 insertions(+), 28 deletions(-) diff --git a/include/tcg/tcg-opc.h b/include/tcg/tcg-opc.h index acfbaa05b4..296dffe99a 100644 --- a/include/tcg/tcg-opc.h +++ b/include/tcg/tcg-opc.h @@ -44,6 +44,7 @@ DEF(add, 1, 2, 0, TCG_OPF_INT) DEF(and, 1, 2, 0, TCG_OPF_INT) DEF(andc, 1, 2, 0, TCG_OPF_INT) DEF(bswap16, 1, 1, 1, TCG_OPF_INT) +DEF(bswap32, 1, 1, 1, TCG_OPF_INT) DEF(clz, 1, 2, 0, TCG_OPF_INT) DEF(ctpop, 1, 1, 0, TCG_OPF_INT) DEF(ctz, 1, 2, 0, TCG_OPF_INT) @@ -96,8 +97,6 @@ DEF(sub2_i32, 2, 4, 0, 0) DEF(brcond2_i32, 0, 4, 2, TCG_OPF_BB_END | TCG_OPF_COND_BRANCH) DEF(setcond2_i32, 1, 4, 1, 0) -DEF(bswap32_i32, 1, 1, 1, 0) - /* load/store */ DEF(ld8u_i64, 1, 1, 1, 0) DEF(ld8s_i64, 1, 1, 1, 0) @@ -122,7 +121,6 @@ DEF(extu_i32_i64, 1, 1, 0, 0) DEF(extrl_i64_i32, 1, 1, 0, 0) DEF(extrh_i64_i32, 1, 1, 0, 0) -DEF(bswap32_i64, 1, 1, 1, 0) DEF(bswap64_i64, 1, 1, 1, 0) DEF(add2_i64, 2, 4, 0, 0) diff --git a/tcg/optimize.c b/tcg/optimize.c index 1d535a9fae..6fa968624d 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -522,7 +522,7 @@ static uint64_t do_constant_folding_2(TCGOpcode op, TCGType type, x = bswap16(x); return y & TCG_BSWAP_OS ? (int16_t)x : x; - CASE_OP_32_64(bswap32): + case INDEX_op_bswap32: x = bswap32(x); return y & TCG_BSWAP_OS ? (int32_t)x : x; @@ -1576,8 +1576,7 @@ static bool fold_bswap(OptContext *ctx, TCGOp *op) z_mask = bswap16(z_mask); sign = INT16_MIN; break; - case INDEX_op_bswap32_i32: - case INDEX_op_bswap32_i64: + case INDEX_op_bswap32: z_mask = bswap32(z_mask); sign = INT32_MIN; break; @@ -2870,7 +2869,7 @@ void tcg_optimize(TCGContext *s) done = fold_brcond2(&ctx, op); break; case INDEX_op_bswap16: - CASE_OP_32_64(bswap32): + case INDEX_op_bswap32: case INDEX_op_bswap64_i64: done = fold_bswap(&ctx, op); break; diff --git a/tcg/tcg-op.c b/tcg/tcg-op.c index 68e53a9c85..b1174f60cc 100644 --- a/tcg/tcg-op.c +++ b/tcg/tcg-op.c @@ -1294,8 +1294,8 @@ 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_op_supported(INDEX_op_bswap32_i32, TCG_TYPE_I32, 0)) { - tcg_gen_op3i_i32(INDEX_op_bswap32_i32, ret, arg, 0); + if (tcg_op_supported(INDEX_op_bswap32, TCG_TYPE_I32, 0)) { + tcg_gen_op3i_i32(INDEX_op_bswap32, ret, arg, 0); } else { TCGv_i32 t0 = tcg_temp_ebb_new_i32(); TCGv_i32 t1 = tcg_temp_ebb_new_i32(); @@ -2137,8 +2137,8 @@ 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_op_supported(INDEX_op_bswap32_i64, TCG_TYPE_I64, 0)) { - tcg_gen_op3i_i64(INDEX_op_bswap32_i64, ret, arg, flags); + } else if (tcg_op_supported(INDEX_op_bswap32, TCG_TYPE_I64, 0)) { + tcg_gen_op3i_i64(INDEX_op_bswap32, ret, arg, flags); } else { TCGv_i64 t0 = tcg_temp_ebb_new_i64(); TCGv_i64 t1 = tcg_temp_ebb_new_i64(); diff --git a/tcg/tcg.c b/tcg/tcg.c index 89ef2ef89c..571f15626c 100644 --- a/tcg/tcg.c +++ b/tcg/tcg.c @@ -1076,8 +1076,7 @@ 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_bswap32, TCGOutOpBswap, outop_bswap32), OUTOP(INDEX_op_clz, TCGOutOpBinary, outop_clz), OUTOP(INDEX_op_ctpop, TCGOutOpUnary, outop_ctpop), OUTOP(INDEX_op_ctz, TCGOutOpBinary, outop_ctz), @@ -2939,8 +2938,7 @@ void tcg_dump_ops(TCGContext *s, FILE *f, bool have_prefs) } break; case INDEX_op_bswap16: - case INDEX_op_bswap32_i32: - case INDEX_op_bswap32_i64: + case INDEX_op_bswap32: case INDEX_op_bswap64_i64: { TCGArg flags = op->args[k]; @@ -5486,8 +5484,7 @@ 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: + case INDEX_op_bswap32: { const TCGOutOpBswap *out = container_of(all_outop[op->opc], TCGOutOpBswap, base); diff --git a/tcg/tci.c b/tcg/tci.c index 0cb89f3256..f98c437100 100644 --- a/tcg/tci.c +++ b/tcg/tci.c @@ -690,7 +690,7 @@ uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState *env, tci_args_rr(insn, &r0, &r1); regs[r0] = bswap16(regs[r1]); break; - CASE_32_64(bswap32) + case INDEX_op_bswap32: tci_args_rr(insn, &r0, &r1); regs[r0] = bswap32(regs[r1]); break; @@ -1004,14 +1004,13 @@ int print_insn_tci(bfd_vma addr, disassemble_info *info) break; case INDEX_op_bswap16: + case INDEX_op_bswap32: case INDEX_op_ctpop: case INDEX_op_mov: case INDEX_op_neg: case INDEX_op_not: 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: tci_args_rr(insn, &r0, &r1); info->fprintf_func(info->stream, "%-12s %s, %s", diff --git a/docs/devel/tcg-ops.rst b/docs/devel/tcg-ops.rst index 509cfe7db1..e89ede54fa 100644 --- a/docs/devel/tcg-ops.rst +++ b/docs/devel/tcg-ops.rst @@ -425,16 +425,15 @@ Misc | | If neither ``TCG_BSWAP_OZ`` nor ``TCG_BSWAP_OS`` are set, then the bits of *t0* above bit 15 may contain any value. - * - bswap32_i64 *t0*, *t1*, *flags* + * - bswap32 *t0*, *t1*, *flags* - - | 32 bit byte swap on a 64-bit value. The flags are the same as for bswap16, - except they apply from bit 31 instead of bit 15. + - | 32 bit byte swap. The flags are the same as for bswap16, except + they apply from bit 31 instead of bit 15. On TCG_TYPE_I32, the + flags should be zero. - * - bswap32_i32 *t0*, *t1*, *flags* + * - bswap64_i64 *t0*, *t1*, *flags* - bswap64_i64 *t0*, *t1*, *flags* - - - | 32/64 bit byte swap. The flags are ignored, but still present + - | 64 bit byte swap. The flags are ignored, but still present for consistency with the other bswap opcodes. * - discard_i32/i64 *t0* diff --git a/tcg/tci/tcg-target.c.inc b/tcg/tci/tcg-target.c.inc index 1b2f18e370..7478ada393 100644 --- a/tcg/tci/tcg-target.c.inc +++ b/tcg/tci/tcg-target.c.inc @@ -917,7 +917,7 @@ static const TCGOutOpBswap outop_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); + tcg_out_op_rr(s, INDEX_op_bswap32, a0, a1); if (flags & TCG_BSWAP_OS) { tcg_out_sextract(s, TCG_TYPE_REG, a0, a0, 0, 32); }