AArch32: fixed sha1su1.32

* fixed destructive left shifts on 32-bit values before zext
NationalSecurityAgency · May 16, 2024 · 4578168 · 4578168
1 parent cae9190
commit 4578168
Showing 1 changed file with 5 additions and 5 deletions.
diff --git a/Ghidra/Processors/ARM/data/languages/ARMneon.sinc b/Ghidra/Processors/ARM/data/languages/ARMneon.sinc
@@ -637,15 +637,15 @@ define pcodeop SHA1HashUpdateParity;
 	local X = Qd;
 	local Y = Qm;
 	local Tm = X ^ (Y >> 32);
-	local t0:4 = Tm(0);
-	local t1:4 = Tm(4);
-	local t2:4 = Tm(8);
-	local t3:4 = Tm(12);
+	local t0:4 = Tm[0, 32];
+	local t1:4 = Tm[32, 32];
+	local t2:4 = Tm[64, 32];
+	local t3:4 = Tm[96, 32];
 	local W0:4 = (t0 << 1 | t0 >> 31);
 	local W1:4 = (t1 << 1 | t1 >> 31);
 	local W2:4 = (t2 << 1 | t2 >> 31);
 	local W3:4 = (t3 << 1 | t3 >> 31) ^ (t0 << 2 | t0 >> 30);
-	Qd = zext(W3 << 96) | zext(W2 << 64) | zext(W1 << 32) | zext(W0);
+	Qd = (zext(W3) << 96) | (zext(W2) << 64) | (zext(W1) << 32) | zext(W0);
 }
 
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