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ARM: Use explicit remainder in __mesabi_uldiv call. 

This inexplicably fixes a segfault in tcc-boot0.

* module/mescc/armv4/as.scm (armv4:r0/r1): Instead of using "push 0",
use explicit slot for remainder.
This commit is contained in:
Jan (janneke) Nieuwenhuizen 2022-09-13 13:52:03 +02:00
parent 496fd10680
commit 31e5f2e476
1 changed files with 7 additions and 4 deletions
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11
module/mescc/armv4/as.scm
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@ -369,10 +369,13 @@
`(,(string-append "push___%" r0))
(armv4:call-label #f "__mesabi_idiv" 2))
;; __mesabi_uldiv(a, b, remainderp)
(cons* `(,(string-append "push___0"))
`(,(string-append "push___%" r1))
`(,(string-append "push___%" r0))
(armv4:call-label #f "__mesabi_uldiv" 3)))))
(append `(("push___%r3") ; slot for remainder
("mov____%esp,%r3")
("push___%r3") ; pointer to remainder
(,(string-append "push___%" r1))
(,(string-append "push___%" r0)))
(armv4:call-label #f "__mesabi_uldiv" 3)
`(("pop____%r3"))))))
(define (armv4:r0%r1 info signed?)
(let ((r0 (get-r0 info))