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i386.c (ix86_decompose_address): Use DEFAULT_TLS_SEG_REG to access TLS segment register.

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* config/i386/i386.c (ix86_decompose_address): Use
	DEFAULT_TLS_SEG_REG to access TLS segment register.
	* config/i386/i386.h (DEFAULT_TLS_SEG_REG): New define.
	* config/i386/rdos.h (DEFAULT_TLS_SEG_REG): Ditto.
	(TARGET_TLS_DIRECT_SEG_REFS_DEFAULT): Ditto.

From-SVN: r198948
This commit is contained in:
Leif Ekblad 2013-05-15 20:35:29 +00:00 • committed by Uros Bizjak
parent 4722d00530
commit b8b3f0ca0f
4 changed files with 19 additions and 2 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2013-05-15 Leif Ekblad <leif@rdos.net>
* config/i386/i386.c (ix86_decompose_address): Use
DEFAULT_TLS_SEG_REG to access TLS segment register.
* config/i386/i386.h (DEFAULT_TLS_SEG_REG): New define.
* config/i386/rdos.h (DEFAULT_TLS_SEG_REG): Ditto.
(TARGET_TLS_DIRECT_SEG_REFS_DEFAULT): Ditto.
2013-05-15 Richard Sandiford <rdsandiford@googlemail.com>
PR target/57260

4
gcc/config/i386/i386.c
View file

@ -11698,7 +11698,7 @@ ix86_decompose_address (rtx addr, struct ix86_address *out)
if (XINT (op, 1) == UNSPEC_TP
&& TARGET_TLS_DIRECT_SEG_REFS
&& seg == SEG_DEFAULT)
seg = TARGET_64BIT ? SEG_FS : SEG_GS;
seg = DEFAULT_TLS_SEG_REG;
else
return 0;
break;
@ -13650,7 +13650,7 @@ ix86_delegitimize_tls_address (rtx orig_x)
if (GET_CODE (x) != PLUS || GET_MODE (x) != Pmode)
return orig_x;
if (ix86_decompose_address (x, &addr) == 0
|| addr.seg != (TARGET_64BIT ? SEG_FS : SEG_GS)
|| addr.seg != DEFAULT_TLS_SEG_REG
|| addr.disp == NULL_RTX
|| GET_CODE (addr.disp) != CONST)
return orig_x;

3
gcc/config/i386/i386.h
View file

@ -543,6 +543,9 @@ extern tree x86_mfence;
/* The default abi used by target. */
#define DEFAULT_ABI SYSV_ABI
/* The default TLS segment register used by target. */
#define DEFAULT_TLS_SEG_REG (TARGET_64BIT ? SEG_FS : SEG_GS)
/* Subtargets may reset this to 1 in order to enable 96-bit long double
with the rounding mode forced to 53 bits. */
#define TARGET_96_ROUND_53_LONG_DOUBLE 0

6
gcc/config/i386/rdos.h
View file

@ -21,6 +21,12 @@ along with GCC; see the file COPYING3. If not see
#undef TARGET_EXECUTABLE_SUFFIX
#define TARGET_EXECUTABLE_SUFFIX ".exe"
#undef TARGET_TLS_DIRECT_SEG_REFS_DEFAULT
#define TARGET_TLS_DIRECT_SEG_REFS_DEFAULT MASK_TLS_DIRECT_SEG_REFS
#undef DEFAULT_TLS_SEG_REG
#define DEFAULT_TLS_SEG_REG SEG_GS
#undef TARGET_RDOS
#define TARGET_RDOS 1