Fix missing comparison operators.
Fix missing comparison operators.

The types can differ for many opcodes where the right-hand side is a
constant, and this assert isn't that useful, so just remove the opcode
checks.

Bug chromium:805881

Change-Id: Ibcbda5123aaeaaf5753732d7cad4b5a3b331e963
Reviewed-on: https://swiftshader-review.googlesource.com/16730
Tested-by: Nicolas Capens <51edc787c30f24c4904e8ffbb5523c3a9f7a451d@google.com>
Reviewed-by: Alexis Hétu <1c7141772178a7e80858c3db5052b328076f08f4@google.com>
Reviewed-by: Nicolas Capens <51edc787c30f24c4904e8ffbb5523c3a9f7a451d@google.com>

google/swiftshader,bkaradzic/SwiftShader,bkaradzic/SwiftShader,bkaradzic/SwiftShader,google/swiftshader,google/swiftshader,bkaradzic/SwiftShader,bkaradzic/SwiftShader