ubsan: iq2000: left shift of negative value

[deliverable/binutils-gdb.git] / cpu / ChangeLog

diff --git a/cpu/ChangeLog b/cpu/ChangeLog
index 87cec69e4f7c608b58dabe2a6ebe79c7b88a0378..3e6a8d8c4d0defb368ad077f9aff8d36b7aadf7f 100644 (file)
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@@ -1,3 +1,30 @@
+2019-12-23  Alan Modra  <amodra@gmail.com>
+
+       * iq2000.cpu (f-offset): Avoid left shift of negative values.
+
+2019-12-20  Alan Modra  <amodra@gmail.com>
+
+       * or1korbis.cpu (f-disp26, f-disp21): Don't left shift negative values.
+
+2019-12-17  Alan Modra  <amodra@gmail.com>
+
+       * bpf.cpu (f-imm64): Avoid signed overflow.
+
+2019-12-16  Alan Modra  <amodra@gmail.com>
+
+       * xstormy16.cpu (f-rel12a): Avoid signed overflow.
+
+2019-12-11  Alan Modra  <amodra@gmail.com>
+
+       * epiphany.cpu (f-sdisp11): Don't sign extend with shifts.
+       * lm32.cpu (f-branch, f-vall): Likewise.
+       * m32.cpu (f-lab-8-16): Likewise.
+
+2019-12-11  Alan Modra  <amodra@gmail.com>
+
+       * epiphany.cpu (f-simm8, f-simm24): Use multiply rather than
+       shift left to avoid UB on left shift of negative values.
+
 2019-11-20  Jose E. Marchesi  <jose.marchesi@oracle.com>
 
        * bpf.cpu: Fix comment describing the 128-bit instruction format.