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h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=62VJBm3dtMm6WcoVsEDttjWJhGMBNnVQvamLpNJf4bE=; b=IkLwreMDtsrLN1HMgqYFz4pt4shw9088WqMIISnbjBC4oCs8u6D6M+47 5IH3v0tm/kIXQhSz51ere5jzNUS6b7kpF8uGcr5tz4x5PXC+4jrom/GMu 6tINIMeKG3cmJqmYTegapBl6Wc0lJcWyChPksKfkW+RdsHEg/xjAsECE5 c=; From: Taylor Simpson To: qemu-devel@nongnu.org Subject: [RFC PATCH v2 45/67] Hexagon TCG generation - step 07 Date: Fri, 28 Feb 2020 10:43:41 -0600 Message-Id: <1582908244-304-46-git-send-email-tsimpson@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1582908244-304-1-git-send-email-tsimpson@quicinc.com> References: <1582908244-304-1-git-send-email-tsimpson@quicinc.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: FreeBSD 9.x [fuzzy] X-Received-From: 199.106.114.39 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: riku.voipio@iki.fi, richard.henderson@linaro.org, laurent@vivier.eu, Taylor Simpson , philmd@redhat.com, aleksandar.m.mail@gmail.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Override dczeroa, allocframe, and return instructions Signed-off-by: Taylor Simpson --- target/hexagon/helper_overrides.h | 209 ++++++++++++++++++++++++++++++++++= ++++ 1 file changed, 209 insertions(+) diff --git a/target/hexagon/helper_overrides.h b/target/hexagon/helper_over= rides.h index 00647cb..1ac363e 100644 --- a/target/hexagon/helper_overrides.h +++ b/target/hexagon/helper_overrides.h @@ -991,4 +991,213 @@ #define fWRAP_L4_ior_memoph_io(GENHLPR, SHORTCODE) \ fWRAP_MEMOP(GENHLPR, SHORTCODE, 2, tcg_gen_ori_tl(tmp, tmp, 1 << UiV)) =20 +/* dczeroa clears the 32 byte cache line at the address given */ +#define fWRAP_Y2_dczeroa(GENHLPR, SHORTCODE) SHORTCODE + +/* We have to brute force allocframe because it has C math in the semantic= s */ +#define fWRAP_S2_allocframe(GENHLPR, SHORTCODE) \ + do { \ + TCGv_i64 scramble_tmp =3D tcg_temp_new_i64(); \ + TCGv tmp =3D tcg_temp_new(); \ + { fEA_RI(RxV, -8); \ + fSTORE(1, 8, EA, fFRAME_SCRAMBLE((fCAST8_8u(fREAD_LR()) << 32) |= \ + fCAST4_4u(fREAD_FP()))); \ + fWRITE_FP(EA); \ + fFRAMECHECK(EA - uiV, EA); \ + tcg_gen_subi_tl(RxV, EA, uiV); \ + } \ + tcg_temp_free_i64(scramble_tmp); \ + tcg_temp_free(tmp); \ + } while (0) + +#define fWRAP_SS2_allocframe(GENHLPR, SHORTCODE) \ + do { \ + TCGv_i64 scramble_tmp =3D tcg_temp_new_i64(); \ + TCGv tmp =3D tcg_temp_new(); \ + { fEA_RI(fREAD_SP(), -8); \ + fSTORE(1, 8, EA, fFRAME_SCRAMBLE((fCAST8_8u(fREAD_LR()) << 32) |= \ + fCAST4_4u(fREAD_FP()))); \ + fWRITE_FP(EA); \ + fFRAMECHECK(EA - uiV, EA); \ + tcg_gen_subi_tl(tmp, EA, uiV); \ + fWRITE_SP(tmp); \ + } \ + tcg_temp_free_i64(scramble_tmp); \ + tcg_temp_free(tmp); \ + } while (0) + +/* Also have to brute force the deallocframe variants */ +#define fWRAP_L2_deallocframe(GENHLPR, SHORTCODE) \ + do { \ + TCGv tmp =3D tcg_temp_new(); \ + TCGv_i64 tmp_i64 =3D tcg_temp_new_i64(); \ + { \ + fEA_REG(RsV); \ + fLOAD(1, 8, u, EA, tmp_i64); \ + tcg_gen_mov_i64(RddV, fFRAME_UNSCRAMBLE(tmp_i64)); \ + tcg_gen_addi_tl(tmp, EA, 8); \ + fWRITE_SP(tmp); \ + } \ + tcg_temp_free(tmp); \ + tcg_temp_free_i64(tmp_i64); \ + } while (0) + +#define fWRAP_SL2_deallocframe(GENHLPR, SHORTCODE) \ + do { \ + TCGv WORD =3D tcg_temp_new(); \ + TCGv tmp =3D tcg_temp_new(); \ + TCGv_i64 tmp_i64 =3D tcg_temp_new_i64(); \ + { \ + fEA_REG(fREAD_FP()); \ + fLOAD(1, 8, u, EA, tmp_i64); \ + fFRAME_UNSCRAMBLE(tmp_i64); \ + fWRITE_LR(fGETWORD(1, tmp_i64)); \ + fWRITE_FP(fGETWORD(0, tmp_i64)); \ + tcg_gen_addi_tl(tmp, EA, 8); \ + fWRITE_SP(tmp); \ + } \ + tcg_temp_free(WORD); \ + tcg_temp_free(tmp); \ + tcg_temp_free_i64(tmp_i64); \ + } while (0) + +#define fWRAP_L4_return(GENHLPR, SHORTCODE) \ + do { \ + TCGv tmp =3D tcg_temp_new(); \ + TCGv_i64 tmp_i64 =3D tcg_temp_new_i64(); \ + TCGv WORD =3D tcg_temp_new(); \ + { \ + fEA_REG(RsV); \ + fLOAD(1, 8, u, EA, tmp_i64); \ + tcg_gen_mov_i64(RddV, fFRAME_UNSCRAMBLE(tmp_i64)); \ + tcg_gen_addi_tl(tmp, EA, 8); \ + fWRITE_SP(tmp); \ + fJUMPR(REG_LR, fGETWORD(1, RddV), COF_TYPE_JUMPR);\ + } \ + tcg_temp_free(tmp); \ + tcg_temp_free_i64(tmp_i64); \ + tcg_temp_free(WORD); \ + } while (0) + +#define fWRAP_SL2_return(GENHLPR, SHORTCODE) \ + do { \ + TCGv tmp =3D tcg_temp_new(); \ + TCGv_i64 tmp_i64 =3D tcg_temp_new_i64(); \ + TCGv WORD =3D tcg_temp_new(); \ + { \ + fEA_REG(fREAD_FP()); \ + fLOAD(1, 8, u, EA, tmp_i64); \ + fFRAME_UNSCRAMBLE(tmp_i64); \ + fWRITE_LR(fGETWORD(1, tmp_i64)); \ + fWRITE_FP(fGETWORD(0, tmp_i64)); \ + tcg_gen_addi_tl(tmp, EA, 8); \ + fWRITE_SP(tmp); \ + fJUMPR(REG_LR, fGETWORD(1, tmp_i64), COF_TYPE_JUMPR);\ + } \ + tcg_temp_free(tmp); \ + tcg_temp_free_i64(tmp_i64); \ + tcg_temp_free(WORD); \ + } while (0) + +/* + * Conditional returns follow the same predicate naming convention as + * predicated loads above + */ +#define fWRAP_COND_RETURN(PRED) \ + do { \ + TCGv LSB =3D tcg_temp_new(); \ + TCGv_i64 LSB_i64 =3D tcg_temp_new_i64(); \ + TCGv zero =3D tcg_const_tl(0); \ + TCGv_i64 zero_i64 =3D tcg_const_i64(0); \ + TCGv_i64 unscramble =3D tcg_temp_new_i64(); \ + TCGv WORD =3D tcg_temp_new(); \ + TCGv SP =3D tcg_temp_new(); \ + TCGv_i64 tmp_i64 =3D tcg_temp_new_i64(); \ + TCGv tmp =3D tcg_temp_new(); \ + fEA_REG(RsV); \ + PRED; \ + tcg_gen_extu_i32_i64(LSB_i64, LSB); \ + fLOAD(1, 8, u, EA, tmp_i64); \ + tcg_gen_mov_i64(unscramble, fFRAME_UNSCRAMBLE(tmp_i64)); \ + READ_REG_PAIR(RddV, HEX_REG_FP); \ + tcg_gen_movcond_i64(TCG_COND_NE, RddV, LSB_i64, zero_i64, \ + unscramble, RddV); \ + tcg_gen_mov_tl(SP, hex_gpr[HEX_REG_SP]); \ + tcg_gen_addi_tl(tmp, EA, 8); \ + tcg_gen_movcond_tl(TCG_COND_NE, SP, LSB, zero, tmp, SP); \ + fWRITE_SP(SP); \ + gen_cond_return(LSB, fGETWORD(1, RddV)); \ + tcg_temp_free(LSB); \ + tcg_temp_free_i64(LSB_i64); \ + tcg_temp_free(zero); \ + tcg_temp_free_i64(zero_i64); \ + tcg_temp_free_i64(unscramble); \ + tcg_temp_free(WORD); \ + tcg_temp_free(SP); \ + tcg_temp_free_i64(tmp_i64); \ + tcg_temp_free(tmp); \ + } while (0) + +#define fWRAP_L4_return_t(GENHLPR, SHORTCODE) \ + fWRAP_COND_RETURN(fLSBOLD(PvV)) +#define fWRAP_L4_return_f(GENHLPR, SHORTCODE) \ + fWRAP_COND_RETURN(fLSBOLDNOT(PvV)) +#define fWRAP_L4_return_tnew_pt(GENHLPR, SHORTCODE) \ + fWRAP_COND_RETURN(fLSBNEW(PvN)) +#define fWRAP_L4_return_fnew_pt(GENHLPR, SHORTCODE) \ + fWRAP_COND_RETURN(fLSBNEWNOT(PvN)) +#define fWRAP_L4_return_tnew_pnt(GENHLPR, SHORTCODE) \ + fWRAP_COND_RETURN(fLSBNEW(PvN)) +#define fWRAP_L4_return_tnew_pnt(GENHLPR, SHORTCODE) \ + fWRAP_COND_RETURN(fLSBNEW(PvN)) +#define fWRAP_L4_return_fnew_pnt(GENHLPR, SHORTCODE) \ + fWRAP_COND_RETURN(fLSBNEWNOT(PvN)) + +#define fWRAP_COND_RETURN_SUBINSN(PRED) \ + do { \ + TCGv LSB =3D tcg_temp_new(); \ + TCGv_i64 LSB_i64 =3D tcg_temp_new_i64(); \ + TCGv zero =3D tcg_const_tl(0); \ + TCGv_i64 zero_i64 =3D tcg_const_i64(0); \ + TCGv_i64 unscramble =3D tcg_temp_new_i64(); \ + TCGv_i64 RddV =3D tcg_temp_new_i64(); \ + TCGv WORD =3D tcg_temp_new(); \ + TCGv SP =3D tcg_temp_new(); \ + TCGv_i64 tmp_i64 =3D tcg_temp_new_i64(); \ + TCGv tmp =3D tcg_temp_new(); \ + fEA_REG(fREAD_FP()); \ + PRED; \ + tcg_gen_extu_i32_i64(LSB_i64, LSB); \ + fLOAD(1, 8, u, EA, tmp_i64); \ + tcg_gen_mov_i64(unscramble, fFRAME_UNSCRAMBLE(tmp_i64)); \ + READ_REG_PAIR(RddV, HEX_REG_FP); \ + tcg_gen_movcond_i64(TCG_COND_NE, RddV, LSB_i64, zero_i64, \ + unscramble, RddV); \ + tcg_gen_mov_tl(SP, hex_gpr[HEX_REG_SP]); \ + tcg_gen_addi_tl(tmp, EA, 8); \ + tcg_gen_movcond_tl(TCG_COND_NE, SP, LSB, zero, tmp, SP); \ + fWRITE_SP(SP); \ + WRITE_REG_PAIR(HEX_REG_FP, RddV); \ + gen_cond_return(LSB, fGETWORD(1, RddV)); \ + tcg_temp_free(LSB); \ + tcg_temp_free_i64(LSB_i64); \ + tcg_temp_free(zero); \ + tcg_temp_free_i64(zero_i64); \ + tcg_temp_free_i64(unscramble); \ + tcg_temp_free_i64(RddV); \ + tcg_temp_free(WORD); \ + tcg_temp_free(SP); \ + tcg_temp_free_i64(tmp_i64); \ + tcg_temp_free(tmp); \ + } while (0) + +#define fWRAP_SL2_return_t(GENHLPR, SHORTCODE) \ + fWRAP_COND_RETURN_SUBINSN(fLSBOLD(fREAD_P0())) +#define fWRAP_SL2_return_f(GENHLPR, SHORTCODE) \ + fWRAP_COND_RETURN_SUBINSN(fLSBOLDNOT(fREAD_P0())) +#define fWRAP_SL2_return_tnew(GENHLPR, SHORTCODE) \ + fWRAP_COND_RETURN_SUBINSN(fLSBNEW0) +#define fWRAP_SL2_return_fnew(GENHLPR, SHORTCODE) \ + fWRAP_COND_RETURN_SUBINSN(fLSBNEW0NOT) + #endif --=20 2.7.4