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* [gcc r13-8638] AVR: target/114794 - Tweak __udivmodqi4
@ 2024-04-21 12:45 Georg-Johann Lay
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From: Georg-Johann Lay @ 2024-04-21 12:45 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:7bd8428da72a0a1d3bef4e50be4b60b981ed540d

commit r13-8638-g7bd8428da72a0a1d3bef4e50be4b60b981ed540d
Author: Georg-Johann Lay <avr@gjlay.de>
Date:   Sun Apr 21 14:33:50 2024 +0200

    AVR: target/114794 - Tweak __udivmodqi4
    
    libgcc/
            PR target/114794
            * config/avr/lib1funcs.S (__udivmodqi4): Tweak.
    
    (cherry picked from commit a44d16efa7a508f8b8f303417d0714c39f159725)

Diff:
---
 libgcc/config/avr/lib1funcs.S | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/libgcc/config/avr/lib1funcs.S b/libgcc/config/avr/lib1funcs.S
index 0870595111a..4ee651bf6ea 100644
--- a/libgcc/config/avr/lib1funcs.S
+++ b/libgcc/config/avr/lib1funcs.S
@@ -1339,9 +1339,9 @@ ENDF __umulsidi3
 
 #if defined (L_udivmodqi4)
 DEFUN __udivmodqi4
-	sub	r_rem,r_rem	; clear remainder and carry
-	ldi	r_cnt,9		; init loop counter
-	rjmp	__udivmodqi4_ep	; jump to entry point
+	clr	r_rem		; clear remainder
+	ldi	r_cnt,8		; init loop counter
+	lsl	r_arg1		; shift dividend
 __udivmodqi4_loop:
 	rol	r_rem		; shift dividend into remainder
 	cp	r_rem,r_arg2	; compare remainder & divisor

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