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Add a command line flag for identity page

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This commit is contained in:
Karol Stasiak 2023-01-27 18:15:40 +01:00
parent 75cc34663c
commit 1594d63a9a
1 changed files with 6 additions and 1 deletions
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7
src/main/scala/millfork/Main.scala
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@ -175,7 +175,7 @@ object Main {
f"${path.getFileName}%s ${start}%04X ${start}%04X ${codeLength}%04X".getBytes(StandardCharsets.UTF_8))
}
}
errorReporting.debug(s"Total time: ${Math.round((System.nanoTime() - startTime)/1e6)} ms")
errorReporting.info(s"Total time: ${Math.round((System.nanoTime() - startTime)/1e6)} ms")
c.runFileName.foreach{ program =>
if (File.separatorChar == '\\') {
if (!new File(program).exists() && !new File(program + ".exe").exists()) {
@ -293,6 +293,7 @@ object Main {
if (options.flag(CompilationFlag.EmitHudsonOpcodes)) HudsonOptimizations.All else Nil,
if (options.flag(CompilationFlag.EmitEmulation65816Opcodes)) SixteenOptimizations.AllForEmulation else Nil,
if (options.flag(CompilationFlag.EmitNative65816Opcodes)) SixteenOptimizations.AllForNative else Nil,
if (options.flag(CompilationFlag.IdentityPage)) IdentityPageOptimizations.All else Nil,
if (options.flag(CompilationFlag.DangerousOptimizations)) DangerousOptimizations.All else Nil
).flatten
val goodCycle = List.fill(optLevel - 2)(OptimizationPresets.Good ++ goodExtras).flatten
@ -757,6 +758,9 @@ object Main {
boolean("-fregister-variables", "-fno-register-variables").action { (c, v) =>
c.changeFlag(CompilationFlag.RegisterVariables, v)
}.description("Allow moving local variables into CPU registers. Enabled by default.")
boolean("-fidentity-page", "-fno-identity-page").action { (c, v) =>
c.changeFlag(CompilationFlag.IdentityPage, v)
}.description("Whether should use an identity page to optimize certain operations.")
flag("-Os", "--size").repeatable().action { c =>
c.changeFlag(CompilationFlag.OptimizeForSize, true).
changeFlag(CompilationFlag.OptimizeForSpeed, false).
@ -769,6 +773,7 @@ object Main {
}.description("Prefer faster code even if it is slightly bigger (experimental). Implies -finline.")
flag("-Ob", "--blast-processing").repeatable().action { c =>
c.changeFlag(CompilationFlag.OptimizeForSize, false).
changeFlag(CompilationFlag.IdentityPage, true).
changeFlag(CompilationFlag.OptimizeForSpeed, true).
changeFlag(CompilationFlag.OptimizeForSonicSpeed, true)
}.description("Prefer faster code even if it is much bigger (experimental). Implies -finline.")