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From: <sv...@va...> - 2014-01-13 00:18:59
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Author: sewardj
Date: Mon Jan 13 00:18:51 2014
New Revision: 13773
Log:
Minor notes on arm64 register usages.
Modified:
trunk/ARM64_TIDYUPS.txt
trunk/docs/internals/register-uses.txt
Modified: trunk/ARM64_TIDYUPS.txt
==============================================================================
--- trunk/ARM64_TIDYUPS.txt (original)
+++ trunk/ARM64_TIDYUPS.txt Mon Jan 13 00:18:51 2014
@@ -176,3 +176,8 @@
valgrind.h: fix VALGRIND_ALIGN_STACK/VALGRIND_RESTORE_STACK,
also add CFI annotations
+
+
+
+could possibly bring r29 into use, which be useful as it is
+callee saved
Modified: trunk/docs/internals/register-uses.txt
==============================================================================
--- trunk/docs/internals/register-uses.txt (original)
+++ trunk/docs/internals/register-uses.txt Mon Jan 13 00:18:51 2014
@@ -149,7 +149,7 @@
r16(IP0)
r17(IP1)
r18 "Platform reg"
-r19-20 maybe "Temporary regs"
+r19-20 "Temporary regs"
r21 y "Callee saved" GSP
r22-28 y "Callee saved"
r29(FP) y
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