diff options
Diffstat (limited to 'libgcc/config/avr/lib1funcs-fixed.S')
| -rw-r--r-- | libgcc/config/avr/lib1funcs-fixed.S | 47 |
1 files changed, 26 insertions, 21 deletions
diff --git a/libgcc/config/avr/lib1funcs-fixed.S b/libgcc/config/avr/lib1funcs-fixed.S index d80389ce2ee..f920891e19e 100644 --- a/libgcc/config/avr/lib1funcs-fixed.S +++ b/libgcc/config/avr/lib1funcs-fixed.S @@ -1464,12 +1464,13 @@ DEFUN __roundqq3 ;; Add-Saturate 2^{-RP-1} add A0, C0 brvc 0f - ldi A0, 0x7f + ldi C0, 0x7f + rjmp 9f 0: ;; Mask out bits beyond RP lsl C0 neg C0 and C0, A0 - mov C1, __tmp_reg__ +9: mov C1, __tmp_reg__ ret ENDF __roundqq3 #endif /* L_roundqq3 */ @@ -1488,12 +1489,13 @@ DEFUN __rounduqq3 ;; Add-Saturate 2^{-RP-1} add A0, C0 brcc 0f - ldi A0, 0xff + ldi C0, 0xff + rjmp 9f 0: ;; Mask out bits beyond RP lsl C0 neg C0 and C0, A0 - mov C1, __tmp_reg__ +9: mov C1, __tmp_reg__ ret ENDF __rounduqq3 #endif /* L_rounduqq3 */ @@ -1565,16 +1567,17 @@ ENDF __rounduha3 DEFUN __round_s2_const brvc 2f - ldi A1, 0x7f + ldi C1, 0x7f rjmp 1f ;; FALLTHRU (Barrier) ENDF __round_s2_const DEFUN __round_u2_const brcc 2f - ldi A1, 0xff + ldi C1, 0xff 1: - ldi A0, 0xff + ldi C0, 0xff + rjmp 9f 2: ;; Saturation is performed now. ;; Currently, we have C[] = 2^{-RP-1} @@ -1586,7 +1589,7 @@ DEFUN __round_u2_const ;; Clear the bits beyond the rounding point. and C0, A0 and C1, A1 - ret +9: ret ENDF __round_u2_const #endif /* L_round_2_const */ @@ -1681,18 +1684,19 @@ ENDF __roundusa3 DEFUN __round_s4_const brvc 2f - ldi A3, 0x7f + ldi C3, 0x7f rjmp 1f ;; FALLTHRU (Barrier) ENDF __round_s4_const DEFUN __round_u4_const brcc 2f - ldi A3, 0xff + ldi C3, 0xff 1: - ldi A2, 0xff - ldi A1, 0xff - ldi A0, 0xff + ldi C2, 0xff + ldi C1, 0xff + ldi C0, 0xff + rjmp 9f 2: ;; Saturation is performed now. ;; Currently, we have C[] = 2^{-RP-1} @@ -1707,7 +1711,7 @@ DEFUN __round_u4_const and C1, A1 and C2, A2 and C3, A3 - ret +9: ret ENDF __round_u4_const #endif /* L_round_4_const */ @@ -1847,12 +1851,13 @@ DEFUN __round_x8 1: ;; Unsigned brcc 3f ;; Unsigned overflow: A[] = 0xff... -2: ldi A7, 0xff - ldi A6, 0xff - wmov A0, A6 - wmov A2, A6 - wmov A4, A6 - bld A7, 7 +2: ldi C7, 0xff + ldi C6, 0xff + wmov C0, C6 + wmov C2, C6 + wmov C4, C6 + bld C7, 7 + rjmp 9f 3: ;; C[] = -C[] - C[] push A0 @@ -1869,7 +1874,7 @@ DEFUN __round_x8 and C5, A5 and C6, A6 and C7, A7 - ;; Epilogue +9: ;; Epilogue pop r29 pop r28 pop r17 |