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Fix csa and csb.

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This commit is contained in:
David Given 2018-09-14 00:15:43 +02:00
parent 9b0a1c1c10
commit 8c0b2f8aee
2 changed files with 5 additions and 5 deletions
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8
mach/mips/libem/csa.s
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@ -13,18 +13,18 @@
.define .csa .define .csa
.csa: .csa:
lw r4, 0(sp) /* r4 = table */ lw r4, 0(sp) /* r4 = table */
lw r5, 0(sp) /* r5 = value */ lw r5, 4(sp) /* r5 = value */
addiu sp, sp, 8 addiu sp, sp, 8
lw r6, 0(r4) /* r6 = default target */ lw r6, 0(r4) /* r6 = default target */
lw r7, 4(r4) /* r7 = lower bound */ lw r7, 4(r4) /* r7 = lower bound */
subu r5, r5, r6 /* adjust value */ subu r5, r5, r7 /* adjust value */
bltz r5, 1f /* jump to default if out of range */ bltz r5, 1f /* jump to default if out of range */
nop nop
lw r7, 8(r4) /* fetch range */ lw r7, 8(r4) /* fetch range */
subu r7, r5, r7 /* compute (adjusted value - range) */ subu r7, r7, r5 /* compute difference within range */
blez r7, 1f /* jump to default if out of range */ bltz r7, 1f /* jump to default if out of range */
nop nop
addiu r4, r4, 12 /* skip header */ addiu r4, r4, 12 /* skip header */

2
mach/mips/libem/csb.s
View file

@ -13,7 +13,7 @@
.define .csb .define .csb
.csb: .csb:
lw r4, 0(sp) ! r4 = address of table lw r4, 0(sp) ! r4 = address of table
lw r5, 0(sp) ! r5 = value lw r5, 4(sp) ! r5 = value
addiu sp, sp, 8 addiu sp, sp, 8
lw r6, 0(r4) ! r6 = default target lw r6, 0(r4) ! r6 = default target