summaryrefslogtreecommitdiff
path: root/sys/src/libc/arm/vlop.s
diff options
context:
space:
mode:
authorTaru Karttunen <taruti@taruti.net>2011-03-30 15:46:40 +0300
committerTaru Karttunen <taruti@taruti.net>2011-03-30 15:46:40 +0300
commite5888a1ffdae813d7575f5fb02275c6bb07e5199 (patch)
treed8d51eac403f07814b9e936eed0c9a79195e2450 /sys/src/libc/arm/vlop.s
Import sources from 2011-03-30 iso image
Diffstat (limited to 'sys/src/libc/arm/vlop.s')
-rwxr-xr-xsys/src/libc/arm/vlop.s13
1 files changed, 13 insertions, 0 deletions
diff --git a/sys/src/libc/arm/vlop.s b/sys/src/libc/arm/vlop.s
new file mode 100755
index 000000000..3a5375541
--- /dev/null
+++ b/sys/src/libc/arm/vlop.s
@@ -0,0 +1,13 @@
+TEXT _mulv(SB), $0
+ MOVW 4(FP),R8 /* l0 */
+ MOVW 8(FP),R11 /* h0 */
+ MOVW 12(FP),R4 /* l1 */
+ MOVW 16(FP),R5 /* h1 */
+ MULLU R8,R4,(R6, R7) /* l0*l1 */
+ MUL R8,R5,R5 /* l0*h1 */
+ MUL R11,R4,R4 /* h0*l1 */
+ ADD R4,R6
+ ADD R5,R6
+ MOVW R6,4(R0)
+ MOVW R7,0(R0)
+ RET