d0p1/ack
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Fix treatment of out-of-range values in switch csa.

Browse source 
--HG--
branch : dtrg-videocore
This commit is contained in:
David Given 2013-06-05 23:57:23 +01:00
parent 86c6fa2f1e
commit 3e0123ca03
1 changed files with 7 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
mach/vc4/libem/csa.s
View file

@ -17,17 +17,20 @@
add r0, gp add r0, gp
ld r2, 4 (r0) ! check lower bound ld r2, 4 (r0) ! check lower bound
cmp r1, r2
mov.lo r1, r2 ! r1 = min(r1, r2) b.lo r1, r2, default ! jump to default if r1 < r2
sub r1, r2 ! adjust value to be 0-based sub r1, r2 ! adjust value to be 0-based
ld r2, 8 (r0) ! check upper bound ld r2, 8 (r0) ! check upper bound
cmp r1, r2 b.hi r1, r2, default ! jump to default if r1 > r2
mov.hi r1, r2 ! r1 = max(r1, r2)
add r1, #3 add r1, #3
go:
ld r1, (r0, r1) ! load destination address ld r1, (r0, r1) ! load destination address
add r1, gp add r1, gp
b r1 ! ...and go b r1 ! ...and go
default:
mov r1, #0 ! index of default value
b go