This commit replaces the simple FP data written for tests for a
randomically generated one. This functionality stores the same data in
FP register and VSX[VRB+32] registers.
Signed-off-by: Jose Ricardo Ziviani <jos...@linux.vnet.ibm.com>
---
risugen_ppc64.pm | 31 +++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)
diff --git a/risugen_ppc64.pm b/risugen_ppc64.pm
index 561c17b..8e323a2 100644
--- a/risugen_ppc64.pm
+++ b/risugen_ppc64.pm
@@ -100,8 +100,39 @@ sub write_mov_ri($$)
}
}
+sub write_mov_ri64($$)
+{
+ my ($imh, $iml) = @_;
+
+ # number of bit to shift
+ write_mov_ri16(19, 31);
+ # load the highest 32 bits
+ write_mov_ri32(20, $iml);
+ # shift left 32 bits (sld r20, r20, r19
+ insn32((0x1f << 26) | (20 << 21) | (20 << 16) | (19 << 11) | 0x36);
+ # write the lowest 32bits
+ write_mov_ri32(21, $imh);
+ # or r20, r20, r21
+ insn32((0x1f << 26) | (20 << 21) | (20 << 16) | (21 << 11) | 0x378);
+
+ # std r20, 16(r1)
+ insn32((0x3e << 26) | (20 << 21) | (1 << 16) | 0x10);
+}
+
sub write_random_ppc64_fpdata()
{
+ for (my $i = 0; $i < 32; $i++) {
+ # load a random doubleword value at r0
+ write_mov_ri64(rand(0xfffff), rand(0xfffff));
+ # since the EA is r1+16, load such value in FP reg
+ insn32((0x32 << 26) | ($i << 21) | (0x1 << 16) | 0x10);
+ insn32((0x39 << 26) | ($i << 21) | (0x1 << 16) | 0x12);
+
+ }
+}
+
+sub write_random_ppc64_fpdata_i()
+{
# get an space from the stack
insn32(0x3ac10020); # addi r22, r1, 32
insn32(0x3ee03ff0); # lis r23, 0x3ff0
--
2.7.4
