diff mbox

[Risu,2/7] risu_ppc64le: fix 32-bit mov immediate

Message ID 1486174642-14883-3-git-send-email-joserz@linux.vnet.ibm.com
State New
Headers show

Commit Message

Jose Ricardo Ziviani Feb. 4, 2017, 2:17 a.m. UTC 
Two instructions are necessary but the high value should be written
first, shifted 16 bit left, and then or'ed the lower value. This commit
fixes the problem.

Signed-off-by: Jose Ricardo Ziviani <joserz@linux.vnet.ibm.com>
---
 risugen_ppc64.pm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/risugen_ppc64.pm b/risugen_ppc64.pm
index ca052de..40f3d4f 100644
--- a/risugen_ppc64.pm
+++ b/risugen_ppc64.pm
@@ -61,8 +61,8 @@  sub write_mov_ri32($$)
 {
     my ($rd, $imm) = @_;
 
-    # li rd,immediate@h
-    write_mov_ri16($rd, ($imm >> 16) & 0xffff);
+    # lis rd,immediate@h
+    insn32(0xf << 26 | $rd << 21 | ($imm >> 16));
     # ori rd,rd,immediate@l
     insn32((0x18 << 26) | ($rd << 21) | ($rd << 16) | ($imm & 0xffff));
 }