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([2602:ae:1598:4c01:ec81:440e:33a4:40b9]) by smtp.gmail.com with ESMTPSA id z21-20020aa791d5000000b006260526cf0csm13771165pfa.116.2023.05.16.12.42.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 May 2023 12:42:15 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: Peter Maydell Subject: [PULL 32/80] tcg: Introduce tcg_target_has_memory_bswap Date: Tue, 16 May 2023 12:40:57 -0700 Message-Id: <20230516194145.1749305-33-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230516194145.1749305-1-richard.henderson@linaro.org> References: <20230516194145.1749305-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::52e; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x52e.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, T_SCC_BODY_TEXT_LINE=-0.01 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 Replace the unparameterized TCG_TARGET_HAS_MEMORY_BSWAP macro with a function with a memop argument. Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- tcg/aarch64/tcg-target.h | 1 - tcg/arm/tcg-target.h | 1 - tcg/i386/tcg-target.h | 3 --- tcg/loongarch64/tcg-target.h | 2 -- tcg/mips/tcg-target.h | 2 -- tcg/ppc/tcg-target.h | 1 - tcg/riscv/tcg-target.h | 2 -- tcg/s390x/tcg-target.h | 2 -- tcg/sparc64/tcg-target.h | 1 - tcg/tcg-internal.h | 2 ++ tcg/tci/tcg-target.h | 2 -- tcg/tcg-op.c | 20 +++++++++++--------- tcg/aarch64/tcg-target.c.inc | 5 +++++ tcg/arm/tcg-target.c.inc | 5 +++++ tcg/i386/tcg-target.c.inc | 5 +++++ tcg/loongarch64/tcg-target.c.inc | 5 +++++ tcg/mips/tcg-target.c.inc | 5 +++++ tcg/ppc/tcg-target.c.inc | 5 +++++ tcg/riscv/tcg-target.c.inc | 5 +++++ tcg/s390x/tcg-target.c.inc | 5 +++++ tcg/sparc64/tcg-target.c.inc | 5 +++++ tcg/tci/tcg-target.c.inc | 5 +++++ 22 files changed, 63 insertions(+), 26 deletions(-) diff --git a/tcg/aarch64/tcg-target.h b/tcg/aarch64/tcg-target.h index 3c0b0d312d..378e01d9d8 100644 --- a/tcg/aarch64/tcg-target.h +++ b/tcg/aarch64/tcg-target.h @@ -154,7 +154,6 @@ extern bool have_lse2; #define TCG_TARGET_HAS_cmpsel_vec 0 #define TCG_TARGET_DEFAULT_MO (0) -#define TCG_TARGET_HAS_MEMORY_BSWAP 0 #define TCG_TARGET_NEED_LDST_LABELS #define TCG_TARGET_NEED_POOL_LABELS diff --git a/tcg/arm/tcg-target.h b/tcg/arm/tcg-target.h index def2a189e6..4c2d3332d5 100644 --- a/tcg/arm/tcg-target.h +++ b/tcg/arm/tcg-target.h @@ -150,7 +150,6 @@ extern bool use_neon_instructions; #define TCG_TARGET_HAS_cmpsel_vec 0 #define TCG_TARGET_DEFAULT_MO (0) -#define TCG_TARGET_HAS_MEMORY_BSWAP 0 #define TCG_TARGET_NEED_LDST_LABELS #define TCG_TARGET_NEED_POOL_LABELS diff --git a/tcg/i386/tcg-target.h b/tcg/i386/tcg-target.h index 0421776cb8..8fe6958abd 100644 --- a/tcg/i386/tcg-target.h +++ b/tcg/i386/tcg-target.h @@ -240,9 +240,6 @@ extern bool have_atomic16; #include "tcg/tcg-mo.h" #define TCG_TARGET_DEFAULT_MO (TCG_MO_ALL & ~TCG_MO_ST_LD) - -#define TCG_TARGET_HAS_MEMORY_BSWAP have_movbe - #define TCG_TARGET_NEED_LDST_LABELS #define TCG_TARGET_NEED_POOL_LABELS diff --git a/tcg/loongarch64/tcg-target.h b/tcg/loongarch64/tcg-target.h index 17b8193aa5..75c3d80ed2 100644 --- a/tcg/loongarch64/tcg-target.h +++ b/tcg/loongarch64/tcg-target.h @@ -173,6 +173,4 @@ typedef enum { #define TCG_TARGET_NEED_LDST_LABELS -#define TCG_TARGET_HAS_MEMORY_BSWAP 0 - #endif /* LOONGARCH_TCG_TARGET_H */ diff --git a/tcg/mips/tcg-target.h b/tcg/mips/tcg-target.h index 42bd7fff01..47088af9cb 100644 --- a/tcg/mips/tcg-target.h +++ b/tcg/mips/tcg-target.h @@ -205,8 +205,6 @@ extern bool use_mips32r2_instructions; #endif #define TCG_TARGET_DEFAULT_MO 0 -#define TCG_TARGET_HAS_MEMORY_BSWAP 0 - #define TCG_TARGET_NEED_LDST_LABELS #endif diff --git a/tcg/ppc/tcg-target.h b/tcg/ppc/tcg-target.h index af81c5a57f..d55f0266bb 100644 --- a/tcg/ppc/tcg-target.h +++ b/tcg/ppc/tcg-target.h @@ -179,7 +179,6 @@ extern bool have_vsx; #define TCG_TARGET_HAS_cmpsel_vec 0 #define TCG_TARGET_DEFAULT_MO (0) -#define TCG_TARGET_HAS_MEMORY_BSWAP 1 #define TCG_TARGET_NEED_LDST_LABELS #define TCG_TARGET_NEED_POOL_LABELS diff --git a/tcg/riscv/tcg-target.h b/tcg/riscv/tcg-target.h index dddf2486c1..dece3b3c27 100644 --- a/tcg/riscv/tcg-target.h +++ b/tcg/riscv/tcg-target.h @@ -168,6 +168,4 @@ typedef enum { #define TCG_TARGET_NEED_LDST_LABELS #define TCG_TARGET_NEED_POOL_LABELS -#define TCG_TARGET_HAS_MEMORY_BSWAP 0 - #endif diff --git a/tcg/s390x/tcg-target.h b/tcg/s390x/tcg-target.h index a05b473117..fe05680124 100644 --- a/tcg/s390x/tcg-target.h +++ b/tcg/s390x/tcg-target.h @@ -172,8 +172,6 @@ extern uint64_t s390_facilities[3]; #define TCG_TARGET_CALL_ARG_I128 TCG_CALL_ARG_BY_REF #define TCG_TARGET_CALL_RET_I128 TCG_CALL_RET_BY_REF -#define TCG_TARGET_HAS_MEMORY_BSWAP 1 - #define TCG_TARGET_DEFAULT_MO (TCG_MO_ALL & ~TCG_MO_ST_LD) #define TCG_TARGET_NEED_LDST_LABELS #define TCG_TARGET_NEED_POOL_LABELS diff --git a/tcg/sparc64/tcg-target.h b/tcg/sparc64/tcg-target.h index 7434cc99d4..f6cd86975a 100644 --- a/tcg/sparc64/tcg-target.h +++ b/tcg/sparc64/tcg-target.h @@ -154,7 +154,6 @@ extern bool use_vis3_instructions; #define TCG_AREG0 TCG_REG_I0 #define TCG_TARGET_DEFAULT_MO (0) -#define TCG_TARGET_HAS_MEMORY_BSWAP 1 #define TCG_TARGET_NEED_LDST_LABELS #define TCG_TARGET_NEED_POOL_LABELS diff --git a/tcg/tcg-internal.h b/tcg/tcg-internal.h index 0f1ba01a9a..67b698bd5c 100644 --- a/tcg/tcg-internal.h +++ b/tcg/tcg-internal.h @@ -126,4 +126,6 @@ static inline TCGv_i64 TCGV128_HIGH(TCGv_i128 t) return temp_tcgv_i64(tcgv_i128_temp(t) + o); } +bool tcg_target_has_memory_bswap(MemOp memop); + #endif /* TCG_INTERNAL_H */ diff --git a/tcg/tci/tcg-target.h b/tcg/tci/tcg-target.h index 7140a76a73..364012e4d2 100644 --- a/tcg/tci/tcg-target.h +++ b/tcg/tci/tcg-target.h @@ -176,6 +176,4 @@ typedef enum { We prefer consistency across hosts on this. */ #define TCG_TARGET_DEFAULT_MO (0) -#define TCG_TARGET_HAS_MEMORY_BSWAP 1 - #endif /* TCG_TARGET_H */ diff --git a/tcg/tcg-op.c b/tcg/tcg-op.c index 22481a344c..b13ded10df 100644 --- a/tcg/tcg-op.c +++ b/tcg/tcg-op.c @@ -2959,7 +2959,7 @@ void tcg_gen_qemu_ld_i32(TCGv_i32 val, TCGv addr, TCGArg idx, MemOp memop) oi = make_memop_idx(memop, idx); orig_memop = memop; - if (!TCG_TARGET_HAS_MEMORY_BSWAP && (memop & MO_BSWAP)) { + if ((memop & MO_BSWAP) && !tcg_target_has_memory_bswap(memop)) { memop &= ~MO_BSWAP; /* The bswap primitive benefits from zero-extended input. */ if ((memop & MO_SSIZE) == MO_SW) { @@ -2996,7 +2996,7 @@ void tcg_gen_qemu_st_i32(TCGv_i32 val, TCGv addr, TCGArg idx, MemOp memop) memop = tcg_canonicalize_memop(memop, 0, 1); oi = make_memop_idx(memop, idx); - if (!TCG_TARGET_HAS_MEMORY_BSWAP && (memop & MO_BSWAP)) { + if ((memop & MO_BSWAP) && !tcg_target_has_memory_bswap(memop)) { swap = tcg_temp_ebb_new_i32(); switch (memop & MO_SIZE) { case MO_16: @@ -3045,7 +3045,7 @@ void tcg_gen_qemu_ld_i64(TCGv_i64 val, TCGv addr, TCGArg idx, MemOp memop) oi = make_memop_idx(memop, idx); orig_memop = memop; - if (!TCG_TARGET_HAS_MEMORY_BSWAP && (memop & MO_BSWAP)) { + if ((memop & MO_BSWAP) && !tcg_target_has_memory_bswap(memop)) { memop &= ~MO_BSWAP; /* The bswap primitive benefits from zero-extended input. */ if ((memop & MO_SIGN) && (memop & MO_SIZE) < MO_64) { @@ -3091,7 +3091,7 @@ void tcg_gen_qemu_st_i64(TCGv_i64 val, TCGv addr, TCGArg idx, MemOp memop) memop = tcg_canonicalize_memop(memop, 1, 1); oi = make_memop_idx(memop, idx); - if (!TCG_TARGET_HAS_MEMORY_BSWAP && (memop & MO_BSWAP)) { + if ((memop & MO_BSWAP) && !tcg_target_has_memory_bswap(memop)) { swap = tcg_temp_ebb_new_i64(); switch (memop & MO_SIZE) { case MO_16: @@ -3157,11 +3157,6 @@ static void canonicalize_memop_i128_as_i64(MemOp ret[2], MemOp orig) tcg_debug_assert((orig & MO_SIZE) == MO_128); tcg_debug_assert((orig & MO_SIGN) == 0); - /* Use a memory ordering implemented by the host. */ - if (!TCG_TARGET_HAS_MEMORY_BSWAP && (orig & MO_BSWAP)) { - mop_1 &= ~MO_BSWAP; - } - /* Reduce the size to 64-bit. */ mop_1 = (mop_1 & ~MO_SIZE) | MO_64; @@ -3191,6 +3186,13 @@ static void canonicalize_memop_i128_as_i64(MemOp ret[2], MemOp orig) default: g_assert_not_reached(); } + + /* Use a memory ordering implemented by the host. */ + if ((orig & MO_BSWAP) && !tcg_target_has_memory_bswap(mop_1)) { + mop_1 &= ~MO_BSWAP; + mop_2 &= ~MO_BSWAP; + } + ret[0] = mop_1; ret[1] = mop_2; } diff --git a/tcg/aarch64/tcg-target.c.inc b/tcg/aarch64/tcg-target.c.inc index 36d8798bca..0cc719d799 100644 --- a/tcg/aarch64/tcg-target.c.inc +++ b/tcg/aarch64/tcg-target.c.inc @@ -1595,6 +1595,11 @@ typedef struct { TCGType index_ext; } HostAddress; +bool tcg_target_has_memory_bswap(MemOp memop) +{ + return false; +} + static const TCGLdstHelperParam ldst_helper_param = { .ntmp = 1, .tmp = { TCG_REG_TMP } }; diff --git a/tcg/arm/tcg-target.c.inc b/tcg/arm/tcg-target.c.inc index eb0542f32e..e5aed03247 100644 --- a/tcg/arm/tcg-target.c.inc +++ b/tcg/arm/tcg-target.c.inc @@ -1325,6 +1325,11 @@ typedef struct { bool index_scratch; } HostAddress; +bool tcg_target_has_memory_bswap(MemOp memop) +{ + return false; +} + static TCGReg ldst_ra_gen(TCGContext *s, const TCGLabelQemuLdst *l, int arg) { /* We arrive at the slow path via "BLNE", so R14 contains l->raddr. */ diff --git a/tcg/i386/tcg-target.c.inc b/tcg/i386/tcg-target.c.inc index 21553f3c39..6d55ba5a1c 100644 --- a/tcg/i386/tcg-target.c.inc +++ b/tcg/i386/tcg-target.c.inc @@ -1776,6 +1776,11 @@ typedef struct { int seg; } HostAddress; +bool tcg_target_has_memory_bswap(MemOp memop) +{ + return have_movbe; +} + /* * Because i686 has no register parameters and because x86_64 has xchg * to handle addr/data register overlap, we have placed all input arguments diff --git a/tcg/loongarch64/tcg-target.c.inc b/tcg/loongarch64/tcg-target.c.inc index 7d0165349d..d26174dde5 100644 --- a/tcg/loongarch64/tcg-target.c.inc +++ b/tcg/loongarch64/tcg-target.c.inc @@ -828,6 +828,11 @@ typedef struct { TCGReg index; } HostAddress; +bool tcg_target_has_memory_bswap(MemOp memop) +{ + return false; +} + /* * For softmmu, perform the TLB load and compare. * For useronly, perform any required alignment tests. diff --git a/tcg/mips/tcg-target.c.inc b/tcg/mips/tcg-target.c.inc index fa0f334e8d..cd0254a0d7 100644 --- a/tcg/mips/tcg-target.c.inc +++ b/tcg/mips/tcg-target.c.inc @@ -1141,6 +1141,11 @@ typedef struct { MemOp align; } HostAddress; +bool tcg_target_has_memory_bswap(MemOp memop) +{ + return false; +} + /* * For softmmu, perform the TLB load and compare. * For useronly, perform any required alignment tests. diff --git a/tcg/ppc/tcg-target.c.inc b/tcg/ppc/tcg-target.c.inc index 218602c10c..b62a163014 100644 --- a/tcg/ppc/tcg-target.c.inc +++ b/tcg/ppc/tcg-target.c.inc @@ -2017,6 +2017,11 @@ typedef struct { TCGReg index; } HostAddress; +bool tcg_target_has_memory_bswap(MemOp memop) +{ + return true; +} + /* * For softmmu, perform the TLB load and compare. * For useronly, perform any required alignment tests. diff --git a/tcg/riscv/tcg-target.c.inc b/tcg/riscv/tcg-target.c.inc index 415e6c6e15..37870c89fc 100644 --- a/tcg/riscv/tcg-target.c.inc +++ b/tcg/riscv/tcg-target.c.inc @@ -853,6 +853,11 @@ static void tcg_out_goto(TCGContext *s, const tcg_insn_unit *target) tcg_debug_assert(ok); } +bool tcg_target_has_memory_bswap(MemOp memop) +{ + return false; +} + /* We have three temps, we might as well expose them. */ static const TCGLdstHelperParam ldst_helper_param = { .ntmp = 3, .tmp = { TCG_REG_TMP0, TCG_REG_TMP1, TCG_REG_TMP2 } diff --git a/tcg/s390x/tcg-target.c.inc b/tcg/s390x/tcg-target.c.inc index de8aed5f77..22f0206b5a 100644 --- a/tcg/s390x/tcg-target.c.inc +++ b/tcg/s390x/tcg-target.c.inc @@ -1574,6 +1574,11 @@ typedef struct { int disp; } HostAddress; +bool tcg_target_has_memory_bswap(MemOp memop) +{ + return true; +} + static void tcg_out_qemu_ld_direct(TCGContext *s, MemOp opc, TCGReg data, HostAddress h) { diff --git a/tcg/sparc64/tcg-target.c.inc b/tcg/sparc64/tcg-target.c.inc index 0237188d65..bb23038529 100644 --- a/tcg/sparc64/tcg-target.c.inc +++ b/tcg/sparc64/tcg-target.c.inc @@ -1011,6 +1011,11 @@ typedef struct { TCGReg index; } HostAddress; +bool tcg_target_has_memory_bswap(MemOp memop) +{ + return true; +} + /* * For softmmu, perform the TLB load and compare. * For useronly, perform any required alignment tests. diff --git a/tcg/tci/tcg-target.c.inc b/tcg/tci/tcg-target.c.inc index 4cf03a579c..41fbf042da 100644 --- a/tcg/tci/tcg-target.c.inc +++ b/tcg/tci/tcg-target.c.inc @@ -963,3 +963,8 @@ static void tcg_target_init(TCGContext *s) static inline void tcg_target_qemu_prologue(TCGContext *s) { } + +bool tcg_target_has_memory_bswap(MemOp memop) +{ + return true; +}