On Thu, Jul 28, 2011 at 3:47 PM, H.J. Lu <hjl.to...@gmail.com> wrote:
>>>> TLS on X32 is almost identical to TLS on x86-64. The only difference is
>>>> x32 address space is 32bit. That means TLS symbols can be in either
>>>> SImode or DImode with upper 32bit zero. This patch updates
>>>> tls_global_dynamic_64 to support x32. OK for trunk?
>>
>> Please also change 64bit GNU2_TLS patterns, so -mtls-dialect=gnu2 will
>> also work. Please see attached patch.
>>
>
> Yes, it works. Can you apply it?
This is what I have committed:
2011-07-28 Uros Bizjak <ubiz...@gmail.com>
PR target/47715
* config/i386/i386.md (*tls_global_dynamic_64): Remove mode from
tls_symbolic_operand check. Update code sequence for TARGET_X32.
(tls_global_dynamic_64): Remove mode from tls_symbolic_operand check.
(tls_dynamic_gnu2_64): Ditto.
(*tls_dynamic_gnu2_lea_64): Ditto.
(*tls_dynamic_gnu2_call_64): Ditto.
(*tls_dynamic_gnu2_combine_64): Ditto.
Uros.
Index: i386.md
===================================================================
--- i386.md (revision 176870)
+++ i386.md (working copy)
@@ -12327,11 +12327,12 @@
(call:DI
(mem:QI (match_operand:DI 2 "constant_call_address_operand" "z"))
(match_operand:DI 3 "" "")))
- (unspec:DI [(match_operand:DI 1 "tls_symbolic_operand" "")]
+ (unspec:DI [(match_operand 1 "tls_symbolic_operand" "")]
UNSPEC_TLS_GD)]
"TARGET_64BIT"
{
- fputs (ASM_BYTE "0x66\n", asm_out_file);
+ if (!TARGET_X32)
+ fputs (ASM_BYTE "0x66\n", asm_out_file);
output_asm_insn
("lea{q}\t{%a1@tlsgd(%%rip), %%rdi|rdi, %a1@tlsgd[rip]}", operands);
fputs (ASM_SHORT "0x6666\n", asm_out_file);
@@ -12349,7 +12350,7 @@
(call:DI
(mem:QI (match_operand:DI 2 "constant_call_address_operand" ""))
(const_int 0)))
- (unspec:DI [(match_operand:DI 1 "tls_symbolic_operand" "")]
+ (unspec:DI [(match_operand 1 "tls_symbolic_operand" "")]
UNSPEC_TLS_GD)])])
(define_insn "*tls_local_dynamic_base_32_gnu"
@@ -12553,7 +12554,7 @@
(define_expand "tls_dynamic_gnu2_64"
[(set (match_dup 2)
- (unspec:DI [(match_operand:DI 1 "tls_symbolic_operand" "")]
+ (unspec:DI [(match_operand 1 "tls_symbolic_operand" "")]
UNSPEC_TLSDESC))
(parallel
[(set (match_operand:DI 0 "register_operand" "")
@@ -12568,7 +12569,7 @@
(define_insn "*tls_dynamic_lea_64"
[(set (match_operand:DI 0 "register_operand" "=r")
- (unspec:DI [(match_operand:DI 1 "tls_symbolic_operand" "")]
+ (unspec:DI [(match_operand 1 "tls_symbolic_operand" "")]
UNSPEC_TLSDESC))]
"TARGET_64BIT && TARGET_GNU2_TLS"
"lea{q}\t{%a1@TLSDESC(%%rip), %0|%0, %a1@TLSDESC[rip]}"
@@ -12579,7 +12580,7 @@
(define_insn "*tls_dynamic_call_64"
[(set (match_operand:DI 0 "register_operand" "=a")
- (unspec:DI [(match_operand:DI 1 "tls_symbolic_operand" "")
+ (unspec:DI [(match_operand 1 "tls_symbolic_operand" "")
(match_operand:DI 2 "register_operand" "0")
(reg:DI SP_REG)]
UNSPEC_TLSDESC))
@@ -12598,7 +12599,7 @@
(reg:DI SP_REG)]
UNSPEC_TLSDESC)
(const:DI (unspec:DI
- [(match_operand:DI 1 "tls_symbolic_operand" "")]
+ [(match_operand 1 "tls_symbolic_operand" "")]
UNSPEC_DTPOFF))))
(clobber (reg:CC FLAGS_REG))]
"TARGET_64BIT && TARGET_GNU2_TLS"
