guix-devel/gnu/packages/patches/icecat-CVE-2015-4513-pt11.p...

43 lines
1.4 KiB
Diff

From 72185a2795d4627203970e3c17fd9b3a6944edc6 Mon Sep 17 00:00:00 2001
From: "Nicolas B. Pierron" <nicolas.b.pierron@mozilla.com>
Date: Thu, 15 Oct 2015 10:57:39 +0200
Subject: [PATCH] Bug 1204700 - ARM: Use a different scratch register for
store32. r=sstangl, a=lizzard
--HG--
extra : commitid : 8itRSfm5tEh
extra : source : ebafbc7c1a870499159cdd2ee91573f1b52c728a
---
js/src/jit/arm/MacroAssembler-arm.cpp | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/js/src/jit/arm/MacroAssembler-arm.cpp b/js/src/jit/arm/MacroAssembler-arm.cpp
index 7b8c06e..c8030bb 100644
--- a/js/src/jit/arm/MacroAssembler-arm.cpp
+++ b/js/src/jit/arm/MacroAssembler-arm.cpp
@@ -2487,8 +2487,8 @@ MacroAssemblerARMCompat::store32(Imm32 src, const Address& address)
void
MacroAssemblerARMCompat::store32(Imm32 imm, const BaseIndex& dest)
{
- ma_mov(imm, secondScratchReg_);
- store32(secondScratchReg_, dest);
+ ma_mov(imm, ScratchRegister);
+ store32(ScratchRegister, dest);
}
void
@@ -2498,8 +2498,8 @@ MacroAssemblerARMCompat::store32(Register src, const BaseIndex& dest)
uint32_t scale = Imm32::ShiftOf(dest.scale).value;
if (dest.offset != 0) {
- ma_add(base, Imm32(dest.offset), ScratchRegister);
- base = ScratchRegister;
+ ma_add(base, Imm32(dest.offset), secondScratchReg_);
+ base = secondScratchReg_;
}
ma_str(src, DTRAddr(base, DtrRegImmShift(dest.index, LSL, scale)));
}
--
2.5.0