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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::1036; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1036.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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell 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" We will shortly require sari in other context; split out both for cleanliness sake. Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- tcg/ppc/tcg-target.c.inc | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-) diff --git a/tcg/ppc/tcg-target.c.inc b/tcg/ppc/tcg-target.c.inc index aa35ff8250..50347182d7 100644 --- a/tcg/ppc/tcg-target.c.inc +++ b/tcg/ppc/tcg-target.c.inc @@ -768,6 +768,12 @@ static inline void tcg_out_shli64(TCGContext *s, TCGRe= g dst, TCGReg src, int c) tcg_out_rld(s, RLDICR, dst, src, c, 63 - c); } =20 +static inline void tcg_out_sari32(TCGContext *s, TCGReg dst, TCGReg src, i= nt c) +{ + /* Limit immediate shift count lest we create an illegal insn. */ + tcg_out32(s, SRAWI | RA(dst) | RS(src) | SH(c & 31)); +} + static inline void tcg_out_shri32(TCGContext *s, TCGReg dst, TCGReg src, i= nt c) { tcg_out_rlw(s, RLWINM, dst, src, 32 - c, c, 31); @@ -778,6 +784,11 @@ static inline void tcg_out_shri64(TCGContext *s, TCGRe= g dst, TCGReg src, int c) tcg_out_rld(s, RLDICL, dst, src, 64 - c, c); } =20 +static inline void tcg_out_sari64(TCGContext *s, TCGReg dst, TCGReg src, i= nt c) +{ + tcg_out32(s, SRADI | RA(dst) | RS(src) | SH(c & 0x1f) | ((c >> 4) & 2)= ); +} + /* Emit a move into ret of arg, if it can be done in one insn. */ static bool tcg_out_movi_one(TCGContext *s, TCGReg ret, tcg_target_long ar= g) { @@ -2601,8 +2612,7 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, break; case INDEX_op_sar_i32: if (const_args[2]) { - /* Limit immediate shift count lest we create an illegal insn.= */ - tcg_out32(s, SRAWI | RS(args[1]) | RA(args[0]) | SH(args[2] & = 31)); + tcg_out_sari32(s, args[0], args[1], args[2]); } else { tcg_out32(s, SRAW | SAB(args[1], args[0], args[2])); } @@ -2690,8 +2700,7 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, break; case INDEX_op_sar_i64: if (const_args[2]) { - int sh =3D SH(args[2] & 0x1f) | (((args[2] >> 5) & 1) << 1); - tcg_out32(s, SRADI | RA(args[0]) | RS(args[1]) | sh); + tcg_out_sari64(s, args[0], args[1], args[2]); } else { tcg_out32(s, SRAD | SAB(args[1], args[0], args[2])); } --=20 2.25.1