If assembler and linker supports
add %reg1, name@gottpoff(%rip), %reg2
with R_X86_64_CODE_6_GOTTPOFF, we can generate it instead of
mov name@gottpoff(%rip), %reg2
add %reg1, %reg2
gcc/
* configure.ac (HAVE_AS_R_X86_64_CODE_6_GOTTPOFF): Defined as 1
if R_X86_64_CODE_6_GOTTPOFF is supported.
* config.in: Regenerated.
* configure: Likewise.
* config/i386/predicates.md (apx_ndd_add_memory_operand): Allow
UNSPEC_GOTNTPOFF if R_X86_64_CODE_6_GOTTPOFF is supported.
gcc/testsuite/
* gcc.target/i386/apx-ndd-tls-1b.c: New test.
* lib/target-supports.exp
(check_effective_target_code_6_gottpoff_reloc): New.
---
gcc/config.in | 7 +++
gcc/config/i386/predicates.md | 6 +-
gcc/configure | 62 +++++++++++++++++++
gcc/configure.ac | 37 +++++++++++
.../gcc.target/i386/apx-ndd-tls-1b.c | 9 +++
gcc/testsuite/lib/target-supports.exp | 48 ++++++++++++++
6 files changed, 168 insertions(+), 1 deletion(-)
create mode 100644 gcc/testsuite/gcc.target/i386/apx-ndd-tls-1b.c
diff --git a/gcc/config.in b/gcc/config.in
index ce1d073833f..f3de4ba6776 100644
--- a/gcc/config.in
+++ b/gcc/config.in
@@ -737,6 +737,13 @@
#endif
+/* Define 0/1 if your assembler and linker support R_X86_64_CODE_6_GOTTPOFF.
+ */
+#ifndef USED_FOR_TARGET
+#undef HAVE_AS_R_X86_64_CODE_6_GOTTPOFF
+#endif
+
+
/* Define if your assembler supports relocs needed by -fpic. */
#ifndef USED_FOR_TARGET
#undef HAVE_AS_SMALL_PIC_RELOCS
diff --git a/gcc/config/i386/predicates.md b/gcc/config/i386/predicates.md
index 4c1aedd7e70..391f108c360 100644
--- a/gcc/config/i386/predicates.md
+++ b/gcc/config/i386/predicates.md
@@ -2299,10 +2299,14 @@ (define_predicate "apx_ndd_memory_operand"
;; Return true if OP is a memory operand which can be used in APX NDD
;; ADD with register source operand. UNSPEC_GOTNTPOFF memory operand
-;; isn't allowed with APX NDD ADD.
+;; is allowed with APX NDD ADD only if R_X86_64_CODE_6_GOTTPOFF works.
(define_predicate "apx_ndd_add_memory_operand"
(match_operand 0 "memory_operand")
{
+ /* OK if "add %reg1, name@gottpoff(%rip), %reg2" is supported. */
+ if (HAVE_AS_R_X86_64_CODE_6_GOTTPOFF)
+ return true;
+
op = XEXP (op, 0);
/* Disallow APX NDD ADD with UNSPEC_GOTNTPOFF. */
diff --git a/gcc/configure b/gcc/configure
index 41b978b0380..c59c971862c 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -29834,6 +29834,68 @@ cat >>confdefs.h <<_ACEOF
_ACEOF
+ if echo "$ld_ver" | grep GNU > /dev/null; then
+ if $gcc_cv_ld -V 2>/dev/null | grep elf_x86_64_sol2 > /dev/null; then
+ ld_ix86_gld_64_opt="-melf_x86_64_sol2"
+ else
+ ld_ix86_gld_64_opt="-melf_x86_64"
+ fi
+ fi
+ conftest_s='
+ .text
+ .globl _start
+ .type _start, @function
+_start:
+ addq %r23,foo@GOTTPOFF(%rip), %r15
+ .section .tdata,"awT",@progbits
+ .type foo, @object
+foo:
+ .quad 0'
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for
R_X86_64_CODE_6_GOTTPOFF reloc" >&5
+$as_echo_n "checking assembler for R_X86_64_CODE_6_GOTTPOFF reloc... " >&6; }
+if ${gcc_cv_as_x86_64_code_6_gottpoff+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ gcc_cv_as_x86_64_code_6_gottpoff=no
+ if test x$gcc_cv_as != x; then
+ $as_echo "$conftest_s" > conftest.s
+ if { ac_try='$gcc_cv_as $gcc_cv_as_flags -o conftest.o conftest.s >&5'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }
+ then
+ if test x$gcc_cv_ld != x && test x$gcc_cv_objdump != x \
+ && test x$gcc_cv_readelf != x \
+ && $gcc_cv_readelf --relocs --wide conftest.o 2>&1 \
+ | grep R_X86_64_CODE_6_GOTTPOFF > /dev/null 2>&1 \
+ && $gcc_cv_ld $ld_ix86_gld_64_opt -o conftest conftest.o >
/dev/null 2>&1; then
+ if $gcc_cv_objdump -dw conftest 2>&1 \
+ | grep "add \+\$0xf\+8,%r23,%r15" > /dev/null 2>&1; then
+ gcc_cv_as_x86_64_code_6_gottpoff=yes
+ else
+ gcc_cv_as_x86_64_code_6_gottpoff=no
+ fi
+ fi
+ rm -f conftest
+ else
+ echo "configure: failed program was" >&5
+ cat conftest.s >&5
+ fi
+ rm -f conftest.o conftest.s
+ fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result:
$gcc_cv_as_x86_64_code_6_gottpoff" >&5
+$as_echo "$gcc_cv_as_x86_64_code_6_gottpoff" >&6; }
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_AS_R_X86_64_CODE_6_GOTTPOFF `if test
x"$gcc_cv_as_x86_64_code_6_gottpoff" = xyes; then echo 1; else echo 0; fi`
+_ACEOF
+
+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for GOTOFF in
data" >&5
$as_echo_n "checking assembler for GOTOFF in data... " >&6; }
if ${gcc_cv_as_ix86_gotoff_in_data+:} false; then :
diff --git a/gcc/configure.ac b/gcc/configure.ac
index 72012d61e67..0ae6a4c66f1 100644
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -5057,6 +5057,43 @@ _start:
[`if test x"$gcc_cv_as_ix86_got32x" = xyes; then echo 1; else echo 0;
fi`],
[Define 0/1 if your assembler and linker support @GOT.])
+ if echo "$ld_ver" | grep GNU > /dev/null; then
+ if $gcc_cv_ld -V 2>/dev/null | grep elf_x86_64_sol2 > /dev/null; then
+ ld_ix86_gld_64_opt="-melf_x86_64_sol2"
+ else
+ ld_ix86_gld_64_opt="-melf_x86_64"
+ fi
+ fi
+ conftest_s='
+ .text
+ .globl _start
+ .type _start, @function
+_start:
+ addq %r23,foo@GOTTPOFF(%rip), %r15
+ .section .tdata,"awT",@progbits
+ .type foo, @object
+foo:
+ .quad 0'
+ gcc_GAS_CHECK_FEATURE([R_X86_64_CODE_6_GOTTPOFF reloc],
+ gcc_cv_as_x86_64_code_6_gottpoff,,
+ [$conftest_s],
+ [if test x$gcc_cv_ld != x && test x$gcc_cv_objdump != x \
+ && test x$gcc_cv_readelf != x \
+ && $gcc_cv_readelf --relocs --wide conftest.o 2>&1 \
+ | grep R_X86_64_CODE_6_GOTTPOFF > /dev/null 2>&1 \
+ && $gcc_cv_ld $ld_ix86_gld_64_opt -o conftest conftest.o >
/dev/null 2>&1; then
+ if $gcc_cv_objdump -dw conftest 2>&1 \
+ | grep "add \+\$0xf\+8,%r23,%r15" > /dev/null 2>&1; then
+ gcc_cv_as_x86_64_code_6_gottpoff=yes
+ else
+ gcc_cv_as_x86_64_code_6_gottpoff=no
+ fi
+ fi
+ rm -f conftest])
+ AC_DEFINE_UNQUOTED(HAVE_AS_R_X86_64_CODE_6_GOTTPOFF,
+ [`if test x"$gcc_cv_as_x86_64_code_6_gottpoff" = xyes; then echo 1; else
echo 0; fi`],
+ [Define 0/1 if your assembler and linker support
R_X86_64_CODE_6_GOTTPOFF.])
+
gcc_GAS_CHECK_FEATURE([GOTOFF in data],
gcc_cv_as_ix86_gotoff_in_data,
[$as_ix86_gas_32_opt],
diff --git a/gcc/testsuite/gcc.target/i386/apx-ndd-tls-1b.c
b/gcc/testsuite/gcc.target/i386/apx-ndd-tls-1b.c
new file mode 100644
index 00000000000..a3eb8106508
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/apx-ndd-tls-1b.c
@@ -0,0 +1,9 @@
+/* PR target/113733 */
+/* { dg-do assemble { target { apxf && { ! ia32 } } } } */
+/* { dg-require-effective-target tls } */
+/* { dg-require-effective-target code_6_gottpoff_reloc } */
+/* { dg-options "-save-temps -mapxf -O3 -w" } */
+
+#include "apx-ndd-tls-1a.c"
+
+/* { dg-final { scan-assembler-times "addq\[ \t]+%r\[a-z0-9\]+,
a@gottpoff\\(%rip\\), %r\[a-z0-9\]+" 1 { target lp64 } } } */
diff --git a/gcc/testsuite/lib/target-supports.exp
b/gcc/testsuite/lib/target-supports.exp
index 6f4e25f280c..8b3b39411b0 100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -12241,6 +12241,54 @@ proc check_effective_target_pie_copyreloc { } {
}]
}
+# Return 1 if the x86-64 target supports R_X86_64_CODE_6_GOTTPOFF
+# relocation, 0 otherwise. Cache the result.
+
+proc check_effective_target_code_6_gottpoff_reloc { } {
+ global tool
+ global GCC_UNDER_TEST
+
+ if { !([istarget i?86-*-*] || [istarget x86_64-*-*]) } {
+ return 0
+ }
+
+ # Need auto-host.h to check linker support.
+ if { ![file exists ../../auto-host.h ] } {
+ return 0
+ }
+
+ return [check_cached_effective_target code_6_gottpoff_reloc {
+ # Include the current process ID in the file names to prevent
+ # conflicts with invocations for multiple testsuites.
+
+ set src code_6_gottpoff[pid].c
+ set obj code_6_gottpoff[pid].o
+
+ set f [open $src "w"]
+ puts $f "#include \"../../auto-host.h\""
+ puts $f "#if HAVE_AS_R_X86_64_CODE_6_GOTTPOFF == 0"
+ puts $f "# error Assembler does not support R_X86_64_CODE_6_GOTTPOFF."
+ puts $f "#endif"
+ close $f
+
+ verbose "check_effective_target_code_6_gottpoff_reloc compiling
testfile $src" 2
+ set lines [${tool}_target_compile $src $obj object ""]
+
+ file delete $src
+ file delete $obj
+
+ if [string match "" $lines] then {
+ verbose "check_effective_target_code_6_gottpoff_reloc testfile
compilation passed" 2
+ return 1
+ } else {
+ verbose "check_effective_target_code_6_gottpoff_reloc testfile
compilation failed" 2
+ return 0
+ }
+ }]
+
+ return $code_6_gottpoff_reloc_available_saved
+}
+
# Return 1 if the x86 target supports R_386_GOT32X relocation, 0
# otherwise. Cache the result.
--
2.43.2
