nixpkgs/pkgs/servers/nosql/mongodb/mozjs-45_fix-3-byte-opcode.patch

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Diff

# HG changeset patch
# User Dan Gohman <sunfish@mozilla.com>
# Parent d9b405d82cffb07343a5f2fd941e029298c7f6c4
# Bug 1390214 - IonMonkey: Don't test for a 3-byte opcode in a 2-byte opcode predicate.
# https://bug1390214.bmoattachments.org/attachment.cgi?id=8902972
diff --git a/src/third_party/mozjs-45/extract/js/src/jit/x86-shared/Encoding-x86-shared.h b/src/third_party/mozjs-45/extract/js/src/jit/x86-shared/Encoding-x86-shared.h
--- a/src/third_party/mozjs-45/extract/js/src/jit/x86-shared/Encoding-x86-shared.h
+++ b/src/third_party/mozjs-45/extract/js/src/jit/x86-shared/Encoding-x86-shared.h
@@ -310,17 +310,16 @@ enum ThreeByteOpcodeID {
// Test whether the given opcode should be printed with its operands reversed.
inline bool IsXMMReversedOperands(TwoByteOpcodeID opcode)
{
switch (opcode) {
case OP2_MOVSD_WsdVsd: // also OP2_MOVPS_WpsVps
case OP2_MOVAPS_WsdVsd:
case OP2_MOVDQ_WdqVdq:
- case OP3_PEXTRD_EdVdqIb:
return true;
default:
break;
}
return false;
}
enum ThreeByteEscape {