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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::534; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x534.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=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-ppc@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) Content-Type: text/plain; charset="utf-8" For INDEX_op_bswap32_i32, pass 0 for flags: input not zero-extended, output does not need extension within the host 64-bit register. Cc: qemu-ppc@nongnu.org Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- tcg/ppc/tcg-target.c.inc | 22 ++++++++++++++++------ 1 file changed, 16 insertions(+), 6 deletions(-) diff --git a/tcg/ppc/tcg-target.c.inc b/tcg/ppc/tcg-target.c.inc index da6d10722e..33f0139519 100644 --- a/tcg/ppc/tcg-target.c.inc +++ b/tcg/ppc/tcg-target.c.inc @@ -789,7 +789,7 @@ static inline void tcg_out_sari64(TCGContext *s, TCGReg= dst, TCGReg src, int c) tcg_out32(s, SRADI | RA(dst) | RS(src) | SH(c & 0x1f) | ((c >> 4) & 2)= ); } =20 -static void tcg_out_bswap16(TCGContext *s, TCGReg dst, TCGReg src) +static void tcg_out_bswap16(TCGContext *s, TCGReg dst, TCGReg src, int fla= gs) { TCGReg tmp =3D dst =3D=3D src ? TCG_REG_R0 : dst; =20 @@ -804,10 +804,14 @@ static void tcg_out_bswap16(TCGContext *s, TCGReg dst= , TCGReg src) /* tmp =3D dep(tmp, rol32(src, 8), 0x0000ff00) =3D 000000dc */ tcg_out_rlw(s, RLWIMI, tmp, src, 8, 16, 23); =20 - tcg_out_mov(s, TCG_TYPE_REG, dst, tmp); + if (flags & TCG_BSWAP_OS) { + tcg_out_ext16s(s, dst, tmp); + } else { + tcg_out_mov(s, TCG_TYPE_REG, dst, tmp); + } } =20 -static void tcg_out_bswap32(TCGContext *s, TCGReg dst, TCGReg src) +static void tcg_out_bswap32(TCGContext *s, TCGReg dst, TCGReg src, int fla= gs) { TCGReg tmp =3D dst =3D=3D src ? TCG_REG_R0 : dst; =20 @@ -825,7 +829,11 @@ static void tcg_out_bswap32(TCGContext *s, TCGReg dst,= TCGReg src) /* tmp =3D dep(tmp, rol32(src, 24), 0x0000ff00) =3D 0000dcba */ tcg_out_rlw(s, RLWIMI, tmp, src, 24, 16, 23); =20 - tcg_out_mov(s, TCG_TYPE_REG, dst, tmp); + if (flags & TCG_BSWAP_OS) { + tcg_out_ext32s(s, dst, tmp); + } else { + tcg_out_mov(s, TCG_TYPE_REG, dst, tmp); + } } =20 static void tcg_out_bswap64(TCGContext *s, TCGReg dst, TCGReg src) @@ -2851,11 +2859,13 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, =20 case INDEX_op_bswap16_i32: case INDEX_op_bswap16_i64: - tcg_out_bswap16(s, args[0], args[1]); + tcg_out_bswap16(s, args[0], args[1], args[2]); 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]); + tcg_out_bswap32(s, args[0], args[1], args[2]); break; case INDEX_op_bswap64_i64: tcg_out_bswap64(s, args[0], args[1]); --=20 2.25.1