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lb1spc.asm (.div): Fixed typo so sign is returned correctly. 

* sparc/lb1spc.asm (.div): Fixed typo so sign is returned correctly.
        TOPBITS was 2 and should have been 4.
	(.rem): Likewise.

From-SVN: r12707
This commit is contained in:
Doug Evans 1996-09-13 22:23:04 +00:00
parent a526200977
commit 22371ff356
1 changed files with 10 additions and 10 deletions
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20
gcc/config/sparc/lb1spc.asm
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@ -87,14 +87,14 @@ mul_shortway:
.udiv:
save %sp, -64, %sp
b divide
mov 0, %i2 ! result always positive
mov 0, %l2 ! result always positive
.global .div
.proc 4
.div:
save %sp, -64, %sp
orcc %i1, %i0, %g0 ! is either operand negative
bge divide ! if not, skip this junk
xor %i1, %i0, %i2 ! record sign of result in sign of %i2
xor %i1, %i0, %l2 ! record sign of result in sign of %l2
tst %i1
bge 2f
tst %i0
@ -110,7 +110,7 @@ divide:
te 2 ! if %i1 = 0
mov %i0, %i3
mov 0, %i2
sethi %hi(1<<(32-2-1)), %l3
sethi %hi(1<<(32-4-1)), %l3
cmp %i3, %l3
blu not_really_big
mov 0, %l0
@ -137,7 +137,7 @@ divide:
! We are here if the %i1 overflowed when Shifting.
! This means that %i3 has the high-order bit set.
! Restore %l1 and subtract from %i3.
sll %l3, 2, %l3
sll %l3, 4, %l3
srl %l1, 1, %l1
add %l1, %l3, %l1
b do_single_div
@ -271,7 +271,7 @@ end_regular_divide:
! non-restoring fixup here
dec %i2
got_result:
tst %i2
tst %l2
bge 1f
restore
! answer < 0
@ -289,14 +289,14 @@ got_result:
.urem:
save %sp, -64, %sp
b divide
mov 0, %i2 ! result always positive
mov 0, %l2 ! result always positive
.global .rem
.proc 4
.rem:
save %sp, -64, %sp
orcc %i1, %i0, %g0 ! is either operand negative
bge divide ! if not, skip this junk
mov %i0, %i2 ! record sign of result in sign of %i2
mov %i0, %l2 ! record sign of result in sign of %i2
tst %i1
bge 2f
tst %i0
@ -312,7 +312,7 @@ divide:
te 2 ! if %i1 = 0
mov %i0, %i3
mov 0, %i2
sethi %hi(1<<(32-2-1)), %l3
sethi %hi(1<<(32-4-1)), %l3
cmp %i3, %l3
blu not_really_big
mov 0, %l0
@ -339,7 +339,7 @@ divide:
! We are here if the %i1 overflowed when Shifting.
! This means that %i3 has the high-order bit set.
! Restore %l1 and subtract from %i3.
sll %l3, 2, %l3
sll %l3, 4, %l3
srl %l1, 1, %l1
add %l1, %l3, %l1
b do_single_div
@ -473,7 +473,7 @@ end_regular_divide:
! non-restoring fixup here
add %i3, %i1, %i3
got_result:
tst %i2
tst %l2
bge 1f
restore
! answer < 0