Changeset 157452 in webkit for trunk/Source/JavaScriptCore/offlineasm/instructions.rb

Timestamp:

Oct 15, 2013, 11:03:42 AM (12 years ago)

Author:

[email protected]

Message:

[sh4] Introduce const pools in LLINT.
​https://bugs.webkit.org/show_bug.cgi?id=122746

Patch by Julien Brianceau <​[email protected]> on 2013-10-15
Reviewed by Michael Saboff.

In current implementation of LLINT for sh4, immediate values outside range -128..127 are
loaded this way:

mov.l .label, rx
bra out
nop
.balign 4
.label: .long immvalue
out:

This change introduces const pools for sh4 implementation to avoid lots of useless branches
and reduce code size. It also removes lines of dirty code, like jmpf and callf.

• offlineasm/instructions.rb: Remove jmpf and callf sh4 specific instructions.
• offlineasm/sh4.rb:

File:

• trunk/Source/JavaScriptCore/offlineasm/instructions.rb (modified) (1 diff)

trunk/Source/JavaScriptCore/offlineasm/instructions.rb

@@ -286 +286 @@
     "storedReversedAndDecrementAddress",
     "ldspr",
-    "stspr",
-    "callf",
-    "jmpf"
+    "stspr"
     ]