1*4494ce4fSKuninori Morimoto/* SPDX-License-Identifier: GPL-2.0+ WITH GCC-exception-2.0 2*4494ce4fSKuninori Morimoto 3*4494ce4fSKuninori Morimoto Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 41aad54a9SPaul Mundt 2004, 2005, 2006 51aad54a9SPaul Mundt Free Software Foundation, Inc. 6*4494ce4fSKuninori Morimoto*/ 71aad54a9SPaul Mundt 81aad54a9SPaul Mundt!! libgcc routines for the Renesas / SuperH SH CPUs. 91aad54a9SPaul Mundt!! Contributed by Steve Chamberlain. 101aad54a9SPaul Mundt!! sac@cygnus.com 111aad54a9SPaul Mundt 121aad54a9SPaul Mundt!! ashiftrt_r4_x, ___ashrsi3, ___ashlsi3, ___lshrsi3 routines 131aad54a9SPaul Mundt!! recoded in assembly by Toshiyasu Morita 141aad54a9SPaul Mundt!! tm@netcom.com 151aad54a9SPaul Mundt 161aad54a9SPaul Mundt/* SH2 optimizations for ___ashrsi3, ___ashlsi3, ___lshrsi3 and 171aad54a9SPaul Mundt ELF local label prefixes by J"orn Rennecke 181aad54a9SPaul Mundt amylaar@cygnus.com */ 191aad54a9SPaul Mundt 201aad54a9SPaul Mundt! 211aad54a9SPaul Mundt! __ashrsi3 221aad54a9SPaul Mundt! 231aad54a9SPaul Mundt! Entry: 241aad54a9SPaul Mundt! 251aad54a9SPaul Mundt! r4: Value to shift 261aad54a9SPaul Mundt! r5: Shifts 271aad54a9SPaul Mundt! 281aad54a9SPaul Mundt! Exit: 291aad54a9SPaul Mundt! 301aad54a9SPaul Mundt! r0: Result 311aad54a9SPaul Mundt! 321aad54a9SPaul Mundt! Destroys: 331aad54a9SPaul Mundt! 341aad54a9SPaul Mundt! (none) 351aad54a9SPaul Mundt! 36940d4113SYoshinori Sato! __ashrsi3_r0 37940d4113SYoshinori Sato! 38940d4113SYoshinori Sato! Entry: 39940d4113SYoshinori Sato! 40940d4113SYoshinori Sato! r4: Value to shift 41940d4113SYoshinori Sato! r0: Shifts 42940d4113SYoshinori Sato! 43940d4113SYoshinori Sato! Exit: 44940d4113SYoshinori Sato! 45940d4113SYoshinori Sato! r0: Result 46940d4113SYoshinori Sato! 47940d4113SYoshinori Sato! Destroys: 48940d4113SYoshinori Sato! 49940d4113SYoshinori Sato! (none) 501aad54a9SPaul Mundt 511aad54a9SPaul Mundt .global __ashrsi3 52940d4113SYoshinori Sato .global __ashrsi3_r0 531aad54a9SPaul Mundt 541aad54a9SPaul Mundt .align 2 551aad54a9SPaul Mundt__ashrsi3: 56940d4113SYoshinori Sato mov r5,r0 57940d4113SYoshinori Sato .align 2 58940d4113SYoshinori Sato__ashrsi3_r0: 59940d4113SYoshinori Sato and #31,r0 60940d4113SYoshinori Sato mov.l r4,@-r15 61940d4113SYoshinori Sato mov r0,r4 621aad54a9SPaul Mundt mova ashrsi3_table,r0 63940d4113SYoshinori Sato mov.b @(r0,r4),r4 64940d4113SYoshinori Sato add r4,r0 651aad54a9SPaul Mundt jmp @r0 66940d4113SYoshinori Sato mov.l @r15+,r0 671aad54a9SPaul Mundt 681aad54a9SPaul Mundt .align 2 691aad54a9SPaul Mundtashrsi3_table: 701aad54a9SPaul Mundt .byte ashrsi3_0-ashrsi3_table 711aad54a9SPaul Mundt .byte ashrsi3_1-ashrsi3_table 721aad54a9SPaul Mundt .byte ashrsi3_2-ashrsi3_table 731aad54a9SPaul Mundt .byte ashrsi3_3-ashrsi3_table 741aad54a9SPaul Mundt .byte ashrsi3_4-ashrsi3_table 751aad54a9SPaul Mundt .byte ashrsi3_5-ashrsi3_table 761aad54a9SPaul Mundt .byte ashrsi3_6-ashrsi3_table 771aad54a9SPaul Mundt .byte ashrsi3_7-ashrsi3_table 781aad54a9SPaul Mundt .byte ashrsi3_8-ashrsi3_table 791aad54a9SPaul Mundt .byte ashrsi3_9-ashrsi3_table 801aad54a9SPaul Mundt .byte ashrsi3_10-ashrsi3_table 811aad54a9SPaul Mundt .byte ashrsi3_11-ashrsi3_table 821aad54a9SPaul Mundt .byte ashrsi3_12-ashrsi3_table 831aad54a9SPaul Mundt .byte ashrsi3_13-ashrsi3_table 841aad54a9SPaul Mundt .byte ashrsi3_14-ashrsi3_table 851aad54a9SPaul Mundt .byte ashrsi3_15-ashrsi3_table 861aad54a9SPaul Mundt .byte ashrsi3_16-ashrsi3_table 871aad54a9SPaul Mundt .byte ashrsi3_17-ashrsi3_table 881aad54a9SPaul Mundt .byte ashrsi3_18-ashrsi3_table 891aad54a9SPaul Mundt .byte ashrsi3_19-ashrsi3_table 901aad54a9SPaul Mundt .byte ashrsi3_20-ashrsi3_table 911aad54a9SPaul Mundt .byte ashrsi3_21-ashrsi3_table 921aad54a9SPaul Mundt .byte ashrsi3_22-ashrsi3_table 931aad54a9SPaul Mundt .byte ashrsi3_23-ashrsi3_table 941aad54a9SPaul Mundt .byte ashrsi3_24-ashrsi3_table 951aad54a9SPaul Mundt .byte ashrsi3_25-ashrsi3_table 961aad54a9SPaul Mundt .byte ashrsi3_26-ashrsi3_table 971aad54a9SPaul Mundt .byte ashrsi3_27-ashrsi3_table 981aad54a9SPaul Mundt .byte ashrsi3_28-ashrsi3_table 991aad54a9SPaul Mundt .byte ashrsi3_29-ashrsi3_table 1001aad54a9SPaul Mundt .byte ashrsi3_30-ashrsi3_table 1011aad54a9SPaul Mundt .byte ashrsi3_31-ashrsi3_table 1021aad54a9SPaul Mundt 1031aad54a9SPaul Mundtashrsi3_31: 1041aad54a9SPaul Mundt rotcl r0 1051aad54a9SPaul Mundt rts 1061aad54a9SPaul Mundt subc r0,r0 1071aad54a9SPaul Mundt 1081aad54a9SPaul Mundtashrsi3_30: 1091aad54a9SPaul Mundt shar r0 1101aad54a9SPaul Mundtashrsi3_29: 1111aad54a9SPaul Mundt shar r0 1121aad54a9SPaul Mundtashrsi3_28: 1131aad54a9SPaul Mundt shar r0 1141aad54a9SPaul Mundtashrsi3_27: 1151aad54a9SPaul Mundt shar r0 1161aad54a9SPaul Mundtashrsi3_26: 1171aad54a9SPaul Mundt shar r0 1181aad54a9SPaul Mundtashrsi3_25: 1191aad54a9SPaul Mundt shar r0 1201aad54a9SPaul Mundtashrsi3_24: 1211aad54a9SPaul Mundt shlr16 r0 1221aad54a9SPaul Mundt shlr8 r0 1231aad54a9SPaul Mundt rts 1241aad54a9SPaul Mundt exts.b r0,r0 1251aad54a9SPaul Mundt 1261aad54a9SPaul Mundtashrsi3_23: 1271aad54a9SPaul Mundt shar r0 1281aad54a9SPaul Mundtashrsi3_22: 1291aad54a9SPaul Mundt shar r0 1301aad54a9SPaul Mundtashrsi3_21: 1311aad54a9SPaul Mundt shar r0 1321aad54a9SPaul Mundtashrsi3_20: 1331aad54a9SPaul Mundt shar r0 1341aad54a9SPaul Mundtashrsi3_19: 1351aad54a9SPaul Mundt shar r0 1361aad54a9SPaul Mundtashrsi3_18: 1371aad54a9SPaul Mundt shar r0 1381aad54a9SPaul Mundtashrsi3_17: 1391aad54a9SPaul Mundt shar r0 1401aad54a9SPaul Mundtashrsi3_16: 1411aad54a9SPaul Mundt shlr16 r0 1421aad54a9SPaul Mundt rts 1431aad54a9SPaul Mundt exts.w r0,r0 1441aad54a9SPaul Mundt 1451aad54a9SPaul Mundtashrsi3_15: 1461aad54a9SPaul Mundt shar r0 1471aad54a9SPaul Mundtashrsi3_14: 1481aad54a9SPaul Mundt shar r0 1491aad54a9SPaul Mundtashrsi3_13: 1501aad54a9SPaul Mundt shar r0 1511aad54a9SPaul Mundtashrsi3_12: 1521aad54a9SPaul Mundt shar r0 1531aad54a9SPaul Mundtashrsi3_11: 1541aad54a9SPaul Mundt shar r0 1551aad54a9SPaul Mundtashrsi3_10: 1561aad54a9SPaul Mundt shar r0 1571aad54a9SPaul Mundtashrsi3_9: 1581aad54a9SPaul Mundt shar r0 1591aad54a9SPaul Mundtashrsi3_8: 1601aad54a9SPaul Mundt shar r0 1611aad54a9SPaul Mundtashrsi3_7: 1621aad54a9SPaul Mundt shar r0 1631aad54a9SPaul Mundtashrsi3_6: 1641aad54a9SPaul Mundt shar r0 1651aad54a9SPaul Mundtashrsi3_5: 1661aad54a9SPaul Mundt shar r0 1671aad54a9SPaul Mundtashrsi3_4: 1681aad54a9SPaul Mundt shar r0 1691aad54a9SPaul Mundtashrsi3_3: 1701aad54a9SPaul Mundt shar r0 1711aad54a9SPaul Mundtashrsi3_2: 1721aad54a9SPaul Mundt shar r0 1731aad54a9SPaul Mundtashrsi3_1: 1741aad54a9SPaul Mundt rts 1751aad54a9SPaul Mundt shar r0 1761aad54a9SPaul Mundt 1771aad54a9SPaul Mundtashrsi3_0: 1781aad54a9SPaul Mundt rts 1791aad54a9SPaul Mundt nop 180