1cb4046c5SPhil Edworthy/* Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2cb4046c5SPhil Edworthy 2004, 2005, 2006 3cb4046c5SPhil Edworthy Free Software Foundation, Inc. 4cb4046c5SPhil Edworthy 5*1a459660SWolfgang Denk * SPDX-License-Identifier: GPL-2.0+ 6*1a459660SWolfgang Denk */ 7cb4046c5SPhil Edworthy 8cb4046c5SPhil Edworthy!! libgcc routines for the Renesas / SuperH SH CPUs. 9cb4046c5SPhil Edworthy!! Contributed by Steve Chamberlain. 10cb4046c5SPhil Edworthy!! sac@cygnus.com 11cb4046c5SPhil Edworthy 12cb4046c5SPhil Edworthy!! ashiftrt_r4_x, ___ashrsi3, ___ashlsi3, ___lshrsi3 routines 13cb4046c5SPhil Edworthy!! recoded in assembly by Toshiyasu Morita 14cb4046c5SPhil Edworthy!! tm@netcom.com 15cb4046c5SPhil Edworthy 16cb4046c5SPhil Edworthy/* SH2 optimizations for ___ashrsi3, ___ashlsi3, ___lshrsi3 and 17cb4046c5SPhil Edworthy ELF local label prefixes by J"orn Rennecke 18cb4046c5SPhil Edworthy amylaar@cygnus.com */ 19cb4046c5SPhil Edworthy 20cb4046c5SPhil Edworthy! 21cb4046c5SPhil Edworthy! __ashrsi3 22cb4046c5SPhil Edworthy! 23cb4046c5SPhil Edworthy! Entry: 24cb4046c5SPhil Edworthy! 25cb4046c5SPhil Edworthy! r4: Value to shift 26cb4046c5SPhil Edworthy! r5: Shifts 27cb4046c5SPhil Edworthy! 28cb4046c5SPhil Edworthy! Exit: 29cb4046c5SPhil Edworthy! 30cb4046c5SPhil Edworthy! r0: Result 31cb4046c5SPhil Edworthy! 32cb4046c5SPhil Edworthy! Destroys: 33cb4046c5SPhil Edworthy! 34cb4046c5SPhil Edworthy! (none) 35cb4046c5SPhil Edworthy! 36cb4046c5SPhil Edworthy 37cb4046c5SPhil Edworthy .global __ashrsi3 38cb4046c5SPhil Edworthy 39cb4046c5SPhil Edworthy .align 2 40cb4046c5SPhil Edworthy__ashrsi3: 41cb4046c5SPhil Edworthy mov #31,r0 42cb4046c5SPhil Edworthy and r0,r5 43cb4046c5SPhil Edworthy mova ashrsi3_table,r0 44cb4046c5SPhil Edworthy mov.b @(r0,r5),r5 45cb4046c5SPhil Edworthy#ifdef __sh1__ 46cb4046c5SPhil Edworthy add r5,r0 47cb4046c5SPhil Edworthy jmp @r0 48cb4046c5SPhil Edworthy#else 49cb4046c5SPhil Edworthy braf r5 50cb4046c5SPhil Edworthy#endif 51cb4046c5SPhil Edworthy mov r4,r0 52cb4046c5SPhil Edworthy 53cb4046c5SPhil Edworthy .align 2 54cb4046c5SPhil Edworthyashrsi3_table: 55cb4046c5SPhil Edworthy .byte ashrsi3_0-ashrsi3_table 56cb4046c5SPhil Edworthy .byte ashrsi3_1-ashrsi3_table 57cb4046c5SPhil Edworthy .byte ashrsi3_2-ashrsi3_table 58cb4046c5SPhil Edworthy .byte ashrsi3_3-ashrsi3_table 59cb4046c5SPhil Edworthy .byte ashrsi3_4-ashrsi3_table 60cb4046c5SPhil Edworthy .byte ashrsi3_5-ashrsi3_table 61cb4046c5SPhil Edworthy .byte ashrsi3_6-ashrsi3_table 62cb4046c5SPhil Edworthy .byte ashrsi3_7-ashrsi3_table 63cb4046c5SPhil Edworthy .byte ashrsi3_8-ashrsi3_table 64cb4046c5SPhil Edworthy .byte ashrsi3_9-ashrsi3_table 65cb4046c5SPhil Edworthy .byte ashrsi3_10-ashrsi3_table 66cb4046c5SPhil Edworthy .byte ashrsi3_11-ashrsi3_table 67cb4046c5SPhil Edworthy .byte ashrsi3_12-ashrsi3_table 68cb4046c5SPhil Edworthy .byte ashrsi3_13-ashrsi3_table 69cb4046c5SPhil Edworthy .byte ashrsi3_14-ashrsi3_table 70cb4046c5SPhil Edworthy .byte ashrsi3_15-ashrsi3_table 71cb4046c5SPhil Edworthy .byte ashrsi3_16-ashrsi3_table 72cb4046c5SPhil Edworthy .byte ashrsi3_17-ashrsi3_table 73cb4046c5SPhil Edworthy .byte ashrsi3_18-ashrsi3_table 74cb4046c5SPhil Edworthy .byte ashrsi3_19-ashrsi3_table 75cb4046c5SPhil Edworthy .byte ashrsi3_20-ashrsi3_table 76cb4046c5SPhil Edworthy .byte ashrsi3_21-ashrsi3_table 77cb4046c5SPhil Edworthy .byte ashrsi3_22-ashrsi3_table 78cb4046c5SPhil Edworthy .byte ashrsi3_23-ashrsi3_table 79cb4046c5SPhil Edworthy .byte ashrsi3_24-ashrsi3_table 80cb4046c5SPhil Edworthy .byte ashrsi3_25-ashrsi3_table 81cb4046c5SPhil Edworthy .byte ashrsi3_26-ashrsi3_table 82cb4046c5SPhil Edworthy .byte ashrsi3_27-ashrsi3_table 83cb4046c5SPhil Edworthy .byte ashrsi3_28-ashrsi3_table 84cb4046c5SPhil Edworthy .byte ashrsi3_29-ashrsi3_table 85cb4046c5SPhil Edworthy .byte ashrsi3_30-ashrsi3_table 86cb4046c5SPhil Edworthy .byte ashrsi3_31-ashrsi3_table 87cb4046c5SPhil Edworthy 88cb4046c5SPhil Edworthyashrsi3_31: 89cb4046c5SPhil Edworthy rotcl r0 90cb4046c5SPhil Edworthy rts 91cb4046c5SPhil Edworthy subc r0,r0 92cb4046c5SPhil Edworthy 93cb4046c5SPhil Edworthyashrsi3_30: 94cb4046c5SPhil Edworthy shar r0 95cb4046c5SPhil Edworthyashrsi3_29: 96cb4046c5SPhil Edworthy shar r0 97cb4046c5SPhil Edworthyashrsi3_28: 98cb4046c5SPhil Edworthy shar r0 99cb4046c5SPhil Edworthyashrsi3_27: 100cb4046c5SPhil Edworthy shar r0 101cb4046c5SPhil Edworthyashrsi3_26: 102cb4046c5SPhil Edworthy shar r0 103cb4046c5SPhil Edworthyashrsi3_25: 104cb4046c5SPhil Edworthy shar r0 105cb4046c5SPhil Edworthyashrsi3_24: 106cb4046c5SPhil Edworthy shlr16 r0 107cb4046c5SPhil Edworthy shlr8 r0 108cb4046c5SPhil Edworthy rts 109cb4046c5SPhil Edworthy exts.b r0,r0 110cb4046c5SPhil Edworthy 111cb4046c5SPhil Edworthyashrsi3_23: 112cb4046c5SPhil Edworthy shar r0 113cb4046c5SPhil Edworthyashrsi3_22: 114cb4046c5SPhil Edworthy shar r0 115cb4046c5SPhil Edworthyashrsi3_21: 116cb4046c5SPhil Edworthy shar r0 117cb4046c5SPhil Edworthyashrsi3_20: 118cb4046c5SPhil Edworthy shar r0 119cb4046c5SPhil Edworthyashrsi3_19: 120cb4046c5SPhil Edworthy shar r0 121cb4046c5SPhil Edworthyashrsi3_18: 122cb4046c5SPhil Edworthy shar r0 123cb4046c5SPhil Edworthyashrsi3_17: 124cb4046c5SPhil Edworthy shar r0 125cb4046c5SPhil Edworthyashrsi3_16: 126cb4046c5SPhil Edworthy shlr16 r0 127cb4046c5SPhil Edworthy rts 128cb4046c5SPhil Edworthy exts.w r0,r0 129cb4046c5SPhil Edworthy 130cb4046c5SPhil Edworthyashrsi3_15: 131cb4046c5SPhil Edworthy shar r0 132cb4046c5SPhil Edworthyashrsi3_14: 133cb4046c5SPhil Edworthy shar r0 134cb4046c5SPhil Edworthyashrsi3_13: 135cb4046c5SPhil Edworthy shar r0 136cb4046c5SPhil Edworthyashrsi3_12: 137cb4046c5SPhil Edworthy shar r0 138cb4046c5SPhil Edworthyashrsi3_11: 139cb4046c5SPhil Edworthy shar r0 140cb4046c5SPhil Edworthyashrsi3_10: 141cb4046c5SPhil Edworthy shar r0 142cb4046c5SPhil Edworthyashrsi3_9: 143cb4046c5SPhil Edworthy shar r0 144cb4046c5SPhil Edworthyashrsi3_8: 145cb4046c5SPhil Edworthy shar r0 146cb4046c5SPhil Edworthyashrsi3_7: 147cb4046c5SPhil Edworthy shar r0 148cb4046c5SPhil Edworthyashrsi3_6: 149cb4046c5SPhil Edworthy shar r0 150cb4046c5SPhil Edworthyashrsi3_5: 151cb4046c5SPhil Edworthy shar r0 152cb4046c5SPhil Edworthyashrsi3_4: 153cb4046c5SPhil Edworthy shar r0 154cb4046c5SPhil Edworthyashrsi3_3: 155cb4046c5SPhil Edworthy shar r0 156cb4046c5SPhil Edworthyashrsi3_2: 157cb4046c5SPhil Edworthy shar r0 158cb4046c5SPhil Edworthyashrsi3_1: 159cb4046c5SPhil Edworthy rts 160cb4046c5SPhil Edworthy shar r0 161cb4046c5SPhil Edworthy 162cb4046c5SPhil Edworthyashrsi3_0: 163cb4046c5SPhil Edworthy rts 164cb4046c5SPhil Edworthy nop 165