diff options
Diffstat (limited to 'gcc/config/m68hc11/larith.asm')
| -rw-r--r-- | gcc/config/m68hc11/larith.asm | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/gcc/config/m68hc11/larith.asm b/gcc/config/m68hc11/larith.asm index fe70702..07f09ea 100644 --- a/gcc/config/m68hc11/larith.asm +++ b/gcc/config/m68hc11/larith.asm @@ -628,6 +628,9 @@ Return_zero: #endif #ifdef L_divmodhi4 +#ifndef mc68hc12 +/* 68HC12 signed divisions are generated inline (idivs). */ + .sect .text .globl __divmodhi4 @@ -692,6 +695,7 @@ Numerator_neg_denominator_pos: comb addd #1 rts +#endif /* !mc68hc12 */ #endif #ifdef L_mulqi3 @@ -865,11 +869,27 @@ Ret: ; ; +__mulsi3: +#ifdef mc68hc12 + pshd ; Save A.low + ldy 4,sp + emul ; A.low * B.high + ldy 6,sp + exg x,d + emul ; A.high * B.low + leax d,x + ldy 6,sp + puld + emul ; A.low * B.low + exg d,y + leax d,x + exg d,y + rts +#else B_low = 8 B_high = 6 A_low = 0 A_high = 2 -__mulsi3: pshx pshb psha @@ -882,11 +902,7 @@ __mulsi3: ; ; If A.high is 0, optimize into: (A.low * B.high) << 16 + (A.low * B.low) ; -#ifdef mc68hc12 - cpx #0 -#else stx *_.tmp -#endif beq A_high_zero bsr ___mulhi3 ; A.high * B.low ; @@ -984,6 +1000,7 @@ A_low_B_low: bsr __mulhi32 bra Return #endif +#endif #ifdef L_map_data |