gcc/config/i386/i386.c - Issue 7694018: Don't generate absolute references under nacl-x64.

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Unified Diff: gcc/config/i386/i386.c

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Issue 7694018: Don't generate absolute references under nacl-x64. (Closed) Base URL: http://git.chromium.org/native_client/nacl-gcc.git@master

Patch Set: Added comment to i386.c file itself Created 9 years, 4 months ago

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Index: gcc/config/i386/i386.c

diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c

index 43b69e7490502bc1eb35422753c0ee03cbe0046e..f958b16c44d38ee1a5c98afab271b8ee6653693e 100644

--- a/gcc/config/i386/i386.c

+++ b/gcc/config/i386/i386.c

@@ -7145,6 +7145,13 @@ ix86_check_movabs (rtx insn, int opnum)

{

rtx set, mem;

+ /* In Native Client we can not use movabs because it assumes that

+ non-PIC module is loaded using fixed address. In Native client

+ non-PIC module is loaded using fixed address *relative* *to* R15.

+ Probably good idea to replace it with %rip-based mov, but for now

+ just disable movabs to produce working binaries. */

+ if (TARGET_NACL)

+ return false;

set = PATTERN (insn);

if (GET_CODE (set) == PARALLEL)

set = XVECEXP (set, 0, 0);

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