commit fdaf9e4c570d71ca40f5316bac2b27a1a1cda579
author sewardj <sewardj@a5019735-40e9-0310-863c-91ae7b9d1cf9> Mon Jan 13 00:18:51 2014 +0000
committer sewardj <sewardj@a5019735-40e9-0310-863c-91ae7b9d1cf9> Mon Jan 13 00:18:51 2014 +0000
tree 264cbdee04fc81f95e0ec947c2aa30b00f9fac0f
parent cc4907459daf10227bc70977b190fb6a1d2e1e06

Minor notes on arm64 register usages.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13773 a5019735-40e9-0310-863c-91ae7b9d1cf9

ARM64_TIDYUPS.txt

diff --git a/ARM64_TIDYUPS.txt b/ARM64_TIDYUPS.txt
index 3586c11..c785cb8 100644
--- a/ARM64_TIDYUPS.txt
+++ b/ARM64_TIDYUPS.txt
@@ -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

docs/internals/register-uses.txt

diff --git a/docs/internals/register-uses.txt b/docs/internals/register-uses.txt
index 9e946e2..4835d23 100644
--- a/docs/internals/register-uses.txt
+++ b/docs/internals/register-uses.txt
@@ -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