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-rw-r--r--cpu/ChangeLog4
-rw-r--r--cpu/m32c.cpu8
2 files changed, 8 insertions, 4 deletions
diff --git a/cpu/ChangeLog b/cpu/ChangeLog
index 5611cd1..f67c869 100644
--- a/cpu/ChangeLog
+++ b/cpu/ChangeLog
@@ -1,3 +1,7 @@
+2020-02-03 Alan Modra <amodra@gmail.com>
+
+ * m32c.cpu (f-dsp-64-s16): Mask before shifting signed value.
+
2020-02-01 Alan Modra <amodra@gmail.com>
* frv.cpu (f-u12): Multiply rather than left shift signed values.
diff --git a/cpu/m32c.cpu b/cpu/m32c.cpu
index 48b5acd..ab65fc1 100644
--- a/cpu/m32c.cpu
+++ b/cpu/m32c.cpu
@@ -781,12 +781,12 @@
(df f-dsp-64-s16 " 16 bit signed" (all-isas) 64 16 INT
((value pc) (ext INT
(trunc HI
- (or (and (srl value 8) #x00ff)
- (and (sll value 8) #xff00))))) ; insert
+ (or (and (srl value 8) #xff)
+ (sll (and value #xff) 8))))) ; insert
((value pc) (ext INT
(trunc HI
- (or (and (srl value 8) #x00ff)
- (and (sll value 8) #xff00))))) ; extract
+ (or (and (srl value 8) #xff)
+ (sll (and value #xff) 8))))) ; extract
)
;-------------------------------------------------------------