Changeset 246240 in webkit for trunk/Source/JavaScriptCore/offlineasm/arm64.rb

Timestamp:

Jun 9, 2019, 1:28:18 PM (6 years ago)

Author:

[email protected]

Message:

Unreviewed, rolling out r246150, r246160, and r246166.
​https://bugs.webkit.org/show_bug.cgi?id=198698

Regresses page loading time on iOS 13 (Requested by keith_m
on #webkit).

Reverted changesets:

"Reenable Gigacage on ARM64."
​https://bugs.webkit.org/show_bug.cgi?id=198453
​https://trac.webkit.org/changeset/246150

"Unrevied build fix for FTL without Gigacage."
​https://trac.webkit.org/changeset/246160

"Fix typo in cageWithoutUntagging"
​https://bugs.webkit.org/show_bug.cgi?id=198617
​https://trac.webkit.org/changeset/246166

File:

• trunk/Source/JavaScriptCore/offlineasm/arm64.rb (modified) (2 diffs)

trunk/Source/JavaScriptCore/offlineasm/arm64.rb

@@ -127 +127 @@
         when 't6'
           arm64GPRName('x6', kind)
-        when 't7'
-          arm64GPRName('x7', kind)
         when 'cfr'
             arm64GPRName('x29', kind)
@@ -1022 +1020 @@
         when "memfence"
             $asm.puts "dmb sy"
-        when "bfiq"
-            $asm.puts "bfi #{operands[3].arm64Operand(:quad)}, #{operands[0].arm64Operand(:quad)}, #{operands[1].value}, #{operands[2].value}"
         when "pcrtoaddr"
             $asm.puts "adr #{operands[1].arm64Operand(:quad)}, #{operands[0].value}"