11aad54a9SPaul Mundt/* Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 21aad54a9SPaul Mundt 2004, 2005, 2006 31aad54a9SPaul Mundt Free Software Foundation, Inc. 41aad54a9SPaul Mundt 51aad54a9SPaul MundtThis file is free software; you can redistribute it and/or modify it 61aad54a9SPaul Mundtunder the terms of the GNU General Public License as published by the 71aad54a9SPaul MundtFree Software Foundation; either version 2, or (at your option) any 81aad54a9SPaul Mundtlater version. 91aad54a9SPaul Mundt 101aad54a9SPaul MundtIn addition to the permissions in the GNU General Public License, the 111aad54a9SPaul MundtFree Software Foundation gives you unlimited permission to link the 121aad54a9SPaul Mundtcompiled version of this file into combinations with other programs, 131aad54a9SPaul Mundtand to distribute those combinations without any restriction coming 141aad54a9SPaul Mundtfrom the use of this file. (The General Public License restrictions 151aad54a9SPaul Mundtdo apply in other respects; for example, they cover modification of 161aad54a9SPaul Mundtthe file, and distribution when not linked into a combine 171aad54a9SPaul Mundtexecutable.) 181aad54a9SPaul Mundt 191aad54a9SPaul MundtThis file is distributed in the hope that it will be useful, but 201aad54a9SPaul MundtWITHOUT ANY WARRANTY; without even the implied warranty of 211aad54a9SPaul MundtMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 221aad54a9SPaul MundtGeneral Public License for more details. 231aad54a9SPaul Mundt 241aad54a9SPaul MundtYou should have received a copy of the GNU General Public License 251aad54a9SPaul Mundtalong with this program; see the file COPYING. If not, write to 261aad54a9SPaul Mundtthe Free Software Foundation, 51 Franklin Street, Fifth Floor, 271aad54a9SPaul MundtBoston, MA 02110-1301, USA. */ 281aad54a9SPaul Mundt 291aad54a9SPaul Mundt!! libgcc routines for the Renesas / SuperH SH CPUs. 301aad54a9SPaul Mundt!! Contributed by Steve Chamberlain. 311aad54a9SPaul Mundt!! sac@cygnus.com 321aad54a9SPaul Mundt 331aad54a9SPaul Mundt!! ashiftrt_r4_x, ___ashrsi3, ___ashlsi3, ___lshrsi3 routines 341aad54a9SPaul Mundt!! recoded in assembly by Toshiyasu Morita 351aad54a9SPaul Mundt!! tm@netcom.com 361aad54a9SPaul Mundt 371aad54a9SPaul Mundt/* SH2 optimizations for ___ashrsi3, ___ashlsi3, ___lshrsi3 and 381aad54a9SPaul Mundt ELF local label prefixes by J"orn Rennecke 391aad54a9SPaul Mundt amylaar@cygnus.com */ 401aad54a9SPaul Mundt 411aad54a9SPaul Mundt! 421aad54a9SPaul Mundt! __ashrsi3 431aad54a9SPaul Mundt! 441aad54a9SPaul Mundt! Entry: 451aad54a9SPaul Mundt! 461aad54a9SPaul Mundt! r4: Value to shift 471aad54a9SPaul Mundt! r5: Shifts 481aad54a9SPaul Mundt! 491aad54a9SPaul Mundt! Exit: 501aad54a9SPaul Mundt! 511aad54a9SPaul Mundt! r0: Result 521aad54a9SPaul Mundt! 531aad54a9SPaul Mundt! Destroys: 541aad54a9SPaul Mundt! 551aad54a9SPaul Mundt! (none) 561aad54a9SPaul Mundt! 571aad54a9SPaul Mundt 581aad54a9SPaul Mundt .global __ashrsi3 591aad54a9SPaul Mundt 601aad54a9SPaul Mundt .align 2 611aad54a9SPaul Mundt__ashrsi3: 621aad54a9SPaul Mundt mov #31,r0 631aad54a9SPaul Mundt and r0,r5 641aad54a9SPaul Mundt mova ashrsi3_table,r0 651aad54a9SPaul Mundt mov.b @(r0,r5),r5 661aad54a9SPaul Mundt#ifdef __sh1__ 671aad54a9SPaul Mundt add r5,r0 681aad54a9SPaul Mundt jmp @r0 691aad54a9SPaul Mundt#else 701aad54a9SPaul Mundt braf r5 711aad54a9SPaul Mundt#endif 721aad54a9SPaul Mundt mov r4,r0 731aad54a9SPaul Mundt 741aad54a9SPaul Mundt .align 2 751aad54a9SPaul Mundtashrsi3_table: 761aad54a9SPaul Mundt .byte ashrsi3_0-ashrsi3_table 771aad54a9SPaul Mundt .byte ashrsi3_1-ashrsi3_table 781aad54a9SPaul Mundt .byte ashrsi3_2-ashrsi3_table 791aad54a9SPaul Mundt .byte ashrsi3_3-ashrsi3_table 801aad54a9SPaul Mundt .byte ashrsi3_4-ashrsi3_table 811aad54a9SPaul Mundt .byte ashrsi3_5-ashrsi3_table 821aad54a9SPaul Mundt .byte ashrsi3_6-ashrsi3_table 831aad54a9SPaul Mundt .byte ashrsi3_7-ashrsi3_table 841aad54a9SPaul Mundt .byte ashrsi3_8-ashrsi3_table 851aad54a9SPaul Mundt .byte ashrsi3_9-ashrsi3_table 861aad54a9SPaul Mundt .byte ashrsi3_10-ashrsi3_table 871aad54a9SPaul Mundt .byte ashrsi3_11-ashrsi3_table 881aad54a9SPaul Mundt .byte ashrsi3_12-ashrsi3_table 891aad54a9SPaul Mundt .byte ashrsi3_13-ashrsi3_table 901aad54a9SPaul Mundt .byte ashrsi3_14-ashrsi3_table 911aad54a9SPaul Mundt .byte ashrsi3_15-ashrsi3_table 921aad54a9SPaul Mundt .byte ashrsi3_16-ashrsi3_table 931aad54a9SPaul Mundt .byte ashrsi3_17-ashrsi3_table 941aad54a9SPaul Mundt .byte ashrsi3_18-ashrsi3_table 951aad54a9SPaul Mundt .byte ashrsi3_19-ashrsi3_table 961aad54a9SPaul Mundt .byte ashrsi3_20-ashrsi3_table 971aad54a9SPaul Mundt .byte ashrsi3_21-ashrsi3_table 981aad54a9SPaul Mundt .byte ashrsi3_22-ashrsi3_table 991aad54a9SPaul Mundt .byte ashrsi3_23-ashrsi3_table 1001aad54a9SPaul Mundt .byte ashrsi3_24-ashrsi3_table 1011aad54a9SPaul Mundt .byte ashrsi3_25-ashrsi3_table 1021aad54a9SPaul Mundt .byte ashrsi3_26-ashrsi3_table 1031aad54a9SPaul Mundt .byte ashrsi3_27-ashrsi3_table 1041aad54a9SPaul Mundt .byte ashrsi3_28-ashrsi3_table 1051aad54a9SPaul Mundt .byte ashrsi3_29-ashrsi3_table 1061aad54a9SPaul Mundt .byte ashrsi3_30-ashrsi3_table 1071aad54a9SPaul Mundt .byte ashrsi3_31-ashrsi3_table 1081aad54a9SPaul Mundt 1091aad54a9SPaul Mundtashrsi3_31: 1101aad54a9SPaul Mundt rotcl r0 1111aad54a9SPaul Mundt rts 1121aad54a9SPaul Mundt subc r0,r0 1131aad54a9SPaul Mundt 1141aad54a9SPaul Mundtashrsi3_30: 1151aad54a9SPaul Mundt shar r0 1161aad54a9SPaul Mundtashrsi3_29: 1171aad54a9SPaul Mundt shar r0 1181aad54a9SPaul Mundtashrsi3_28: 1191aad54a9SPaul Mundt shar r0 1201aad54a9SPaul Mundtashrsi3_27: 1211aad54a9SPaul Mundt shar r0 1221aad54a9SPaul Mundtashrsi3_26: 1231aad54a9SPaul Mundt shar r0 1241aad54a9SPaul Mundtashrsi3_25: 1251aad54a9SPaul Mundt shar r0 1261aad54a9SPaul Mundtashrsi3_24: 1271aad54a9SPaul Mundt shlr16 r0 1281aad54a9SPaul Mundt shlr8 r0 1291aad54a9SPaul Mundt rts 1301aad54a9SPaul Mundt exts.b r0,r0 1311aad54a9SPaul Mundt 1321aad54a9SPaul Mundtashrsi3_23: 1331aad54a9SPaul Mundt shar r0 1341aad54a9SPaul Mundtashrsi3_22: 1351aad54a9SPaul Mundt shar r0 1361aad54a9SPaul Mundtashrsi3_21: 1371aad54a9SPaul Mundt shar r0 1381aad54a9SPaul Mundtashrsi3_20: 1391aad54a9SPaul Mundt shar r0 1401aad54a9SPaul Mundtashrsi3_19: 1411aad54a9SPaul Mundt shar r0 1421aad54a9SPaul Mundtashrsi3_18: 1431aad54a9SPaul Mundt shar r0 1441aad54a9SPaul Mundtashrsi3_17: 1451aad54a9SPaul Mundt shar r0 1461aad54a9SPaul Mundtashrsi3_16: 1471aad54a9SPaul Mundt shlr16 r0 1481aad54a9SPaul Mundt rts 1491aad54a9SPaul Mundt exts.w r0,r0 1501aad54a9SPaul Mundt 1511aad54a9SPaul Mundtashrsi3_15: 1521aad54a9SPaul Mundt shar r0 1531aad54a9SPaul Mundtashrsi3_14: 1541aad54a9SPaul Mundt shar r0 1551aad54a9SPaul Mundtashrsi3_13: 1561aad54a9SPaul Mundt shar r0 1571aad54a9SPaul Mundtashrsi3_12: 1581aad54a9SPaul Mundt shar r0 1591aad54a9SPaul Mundtashrsi3_11: 1601aad54a9SPaul Mundt shar r0 1611aad54a9SPaul Mundtashrsi3_10: 1621aad54a9SPaul Mundt shar r0 1631aad54a9SPaul Mundtashrsi3_9: 1641aad54a9SPaul Mundt shar r0 1651aad54a9SPaul Mundtashrsi3_8: 1661aad54a9SPaul Mundt shar r0 1671aad54a9SPaul Mundtashrsi3_7: 1681aad54a9SPaul Mundt shar r0 1691aad54a9SPaul Mundtashrsi3_6: 1701aad54a9SPaul Mundt shar r0 1711aad54a9SPaul Mundtashrsi3_5: 1721aad54a9SPaul Mundt shar r0 1731aad54a9SPaul Mundtashrsi3_4: 1741aad54a9SPaul Mundt shar r0 1751aad54a9SPaul Mundtashrsi3_3: 1761aad54a9SPaul Mundt shar r0 1771aad54a9SPaul Mundtashrsi3_2: 1781aad54a9SPaul Mundt shar r0 1791aad54a9SPaul Mundtashrsi3_1: 1801aad54a9SPaul Mundt rts 1811aad54a9SPaul Mundt shar r0 1821aad54a9SPaul Mundt 1831aad54a9SPaul Mundtashrsi3_0: 1841aad54a9SPaul Mundt rts 1851aad54a9SPaul Mundt nop 186