1*4882a593Smuzhiyun/* Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2*4882a593Smuzhiyun 2004, 2005, 2006 3*4882a593Smuzhiyun Free Software Foundation, Inc. 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+ 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun!! libgcc routines for the Renesas / SuperH SH CPUs. 9*4882a593Smuzhiyun!! Contributed by Steve Chamberlain. 10*4882a593Smuzhiyun!! sac@cygnus.com 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun!! ashiftrt_r4_x, ___ashrsi3, ___ashlsi3, ___lshrsi3 routines 13*4882a593Smuzhiyun!! recoded in assembly by Toshiyasu Morita 14*4882a593Smuzhiyun!! tm@netcom.com 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun/* SH2 optimizations for ___ashrsi3, ___ashlsi3, ___lshrsi3 and 17*4882a593Smuzhiyun ELF local label prefixes by J"orn Rennecke 18*4882a593Smuzhiyun amylaar@cygnus.com */ 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun! 21*4882a593Smuzhiyun! __lshrsi3) 22*4882a593Smuzhiyun! 23*4882a593Smuzhiyun! Entry: 24*4882a593Smuzhiyun! 25*4882a593Smuzhiyun! r4: Value to shift 26*4882a593Smuzhiyun! r5: Shifts 27*4882a593Smuzhiyun! 28*4882a593Smuzhiyun! Exit: 29*4882a593Smuzhiyun! 30*4882a593Smuzhiyun! r0: Result 31*4882a593Smuzhiyun! 32*4882a593Smuzhiyun! Destroys: 33*4882a593Smuzhiyun! 34*4882a593Smuzhiyun! (none) 35*4882a593Smuzhiyun! 36*4882a593Smuzhiyun .global __lshrsi3 37*4882a593Smuzhiyun .align 2 38*4882a593Smuzhiyun__lshrsi3: 39*4882a593Smuzhiyun mov #31,r0 40*4882a593Smuzhiyun and r0,r5 41*4882a593Smuzhiyun mova __lshrsi3_table,r0 42*4882a593Smuzhiyun mov.b @(r0,r5),r5 43*4882a593Smuzhiyun#ifdef __sh1__ 44*4882a593Smuzhiyun add r5,r0 45*4882a593Smuzhiyun jmp @r0 46*4882a593Smuzhiyun#else 47*4882a593Smuzhiyun braf r5 48*4882a593Smuzhiyun#endif 49*4882a593Smuzhiyun mov r4,r0 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun .align 2 52*4882a593Smuzhiyun__lshrsi3_table: 53*4882a593Smuzhiyun .byte __lshrsi3_0-__lshrsi3_table 54*4882a593Smuzhiyun .byte __lshrsi3_1-__lshrsi3_table 55*4882a593Smuzhiyun .byte __lshrsi3_2-__lshrsi3_table 56*4882a593Smuzhiyun .byte __lshrsi3_3-__lshrsi3_table 57*4882a593Smuzhiyun .byte __lshrsi3_4-__lshrsi3_table 58*4882a593Smuzhiyun .byte __lshrsi3_5-__lshrsi3_table 59*4882a593Smuzhiyun .byte __lshrsi3_6-__lshrsi3_table 60*4882a593Smuzhiyun .byte __lshrsi3_7-__lshrsi3_table 61*4882a593Smuzhiyun .byte __lshrsi3_8-__lshrsi3_table 62*4882a593Smuzhiyun .byte __lshrsi3_9-__lshrsi3_table 63*4882a593Smuzhiyun .byte __lshrsi3_10-__lshrsi3_table 64*4882a593Smuzhiyun .byte __lshrsi3_11-__lshrsi3_table 65*4882a593Smuzhiyun .byte __lshrsi3_12-__lshrsi3_table 66*4882a593Smuzhiyun .byte __lshrsi3_13-__lshrsi3_table 67*4882a593Smuzhiyun .byte __lshrsi3_14-__lshrsi3_table 68*4882a593Smuzhiyun .byte __lshrsi3_15-__lshrsi3_table 69*4882a593Smuzhiyun .byte __lshrsi3_16-__lshrsi3_table 70*4882a593Smuzhiyun .byte __lshrsi3_17-__lshrsi3_table 71*4882a593Smuzhiyun .byte __lshrsi3_18-__lshrsi3_table 72*4882a593Smuzhiyun .byte __lshrsi3_19-__lshrsi3_table 73*4882a593Smuzhiyun .byte __lshrsi3_20-__lshrsi3_table 74*4882a593Smuzhiyun .byte __lshrsi3_21-__lshrsi3_table 75*4882a593Smuzhiyun .byte __lshrsi3_22-__lshrsi3_table 76*4882a593Smuzhiyun .byte __lshrsi3_23-__lshrsi3_table 77*4882a593Smuzhiyun .byte __lshrsi3_24-__lshrsi3_table 78*4882a593Smuzhiyun .byte __lshrsi3_25-__lshrsi3_table 79*4882a593Smuzhiyun .byte __lshrsi3_26-__lshrsi3_table 80*4882a593Smuzhiyun .byte __lshrsi3_27-__lshrsi3_table 81*4882a593Smuzhiyun .byte __lshrsi3_28-__lshrsi3_table 82*4882a593Smuzhiyun .byte __lshrsi3_29-__lshrsi3_table 83*4882a593Smuzhiyun .byte __lshrsi3_30-__lshrsi3_table 84*4882a593Smuzhiyun .byte __lshrsi3_31-__lshrsi3_table 85*4882a593Smuzhiyun 86*4882a593Smuzhiyun__lshrsi3_6: 87*4882a593Smuzhiyun shlr2 r0 88*4882a593Smuzhiyun__lshrsi3_4: 89*4882a593Smuzhiyun shlr2 r0 90*4882a593Smuzhiyun__lshrsi3_2: 91*4882a593Smuzhiyun rts 92*4882a593Smuzhiyun shlr2 r0 93*4882a593Smuzhiyun 94*4882a593Smuzhiyun__lshrsi3_7: 95*4882a593Smuzhiyun shlr2 r0 96*4882a593Smuzhiyun__lshrsi3_5: 97*4882a593Smuzhiyun shlr2 r0 98*4882a593Smuzhiyun__lshrsi3_3: 99*4882a593Smuzhiyun shlr2 r0 100*4882a593Smuzhiyun__lshrsi3_1: 101*4882a593Smuzhiyun rts 102*4882a593Smuzhiyun shlr r0 103*4882a593Smuzhiyun 104*4882a593Smuzhiyun__lshrsi3_14: 105*4882a593Smuzhiyun shlr2 r0 106*4882a593Smuzhiyun__lshrsi3_12: 107*4882a593Smuzhiyun shlr2 r0 108*4882a593Smuzhiyun__lshrsi3_10: 109*4882a593Smuzhiyun shlr2 r0 110*4882a593Smuzhiyun__lshrsi3_8: 111*4882a593Smuzhiyun rts 112*4882a593Smuzhiyun shlr8 r0 113*4882a593Smuzhiyun 114*4882a593Smuzhiyun__lshrsi3_15: 115*4882a593Smuzhiyun shlr2 r0 116*4882a593Smuzhiyun__lshrsi3_13: 117*4882a593Smuzhiyun shlr2 r0 118*4882a593Smuzhiyun__lshrsi3_11: 119*4882a593Smuzhiyun shlr2 r0 120*4882a593Smuzhiyun__lshrsi3_9: 121*4882a593Smuzhiyun shlr8 r0 122*4882a593Smuzhiyun rts 123*4882a593Smuzhiyun shlr r0 124*4882a593Smuzhiyun 125*4882a593Smuzhiyun__lshrsi3_22: 126*4882a593Smuzhiyun shlr2 r0 127*4882a593Smuzhiyun__lshrsi3_20: 128*4882a593Smuzhiyun shlr2 r0 129*4882a593Smuzhiyun__lshrsi3_18: 130*4882a593Smuzhiyun shlr2 r0 131*4882a593Smuzhiyun__lshrsi3_16: 132*4882a593Smuzhiyun rts 133*4882a593Smuzhiyun shlr16 r0 134*4882a593Smuzhiyun 135*4882a593Smuzhiyun__lshrsi3_23: 136*4882a593Smuzhiyun shlr2 r0 137*4882a593Smuzhiyun__lshrsi3_21: 138*4882a593Smuzhiyun shlr2 r0 139*4882a593Smuzhiyun__lshrsi3_19: 140*4882a593Smuzhiyun shlr2 r0 141*4882a593Smuzhiyun__lshrsi3_17: 142*4882a593Smuzhiyun shlr16 r0 143*4882a593Smuzhiyun rts 144*4882a593Smuzhiyun shlr r0 145*4882a593Smuzhiyun 146*4882a593Smuzhiyun__lshrsi3_30: 147*4882a593Smuzhiyun shlr2 r0 148*4882a593Smuzhiyun__lshrsi3_28: 149*4882a593Smuzhiyun shlr2 r0 150*4882a593Smuzhiyun__lshrsi3_26: 151*4882a593Smuzhiyun shlr2 r0 152*4882a593Smuzhiyun__lshrsi3_24: 153*4882a593Smuzhiyun shlr16 r0 154*4882a593Smuzhiyun rts 155*4882a593Smuzhiyun shlr8 r0 156*4882a593Smuzhiyun 157*4882a593Smuzhiyun__lshrsi3_31: 158*4882a593Smuzhiyun shlr2 r0 159*4882a593Smuzhiyun__lshrsi3_29: 160*4882a593Smuzhiyun shlr2 r0 161*4882a593Smuzhiyun__lshrsi3_27: 162*4882a593Smuzhiyun shlr2 r0 163*4882a593Smuzhiyun__lshrsi3_25: 164*4882a593Smuzhiyun shlr16 r0 165*4882a593Smuzhiyun shlr8 r0 166*4882a593Smuzhiyun rts 167*4882a593Smuzhiyun shlr r0 168*4882a593Smuzhiyun 169*4882a593Smuzhiyun__lshrsi3_0: 170*4882a593Smuzhiyun rts 171*4882a593Smuzhiyun nop 172