[gcc(refs/vendors/redhat/heads/gcc-8-branch)] Update links to Arm docs

[Jakub Jelinek <jakub@gcc.gnu.org>]

https://gcc.gnu.org/g:17ad85243f3c8a98cb0647eb00c35bac639617f3

commit 17ad85243f3c8a98cb0647eb00c35bac639617f3
Author: Richard Sandiford <richard.sandiford@arm.com>
Date:   Fri Aug 21 19:07:06 2020 +0100

    Update links to Arm docs
    
    gcc/
            * doc/extend.texi: Update links to Arm docs.
            * doc/invoke.texi: Likewise.
    
    (cherry picked from commit 09698e44c766c4a05ee463d2e36bc1fdac21dce4)
    (cherry picked from commit 0fc33daacbdf993ab0d5830b0af3468b0df7c187)

Diff:
---
 gcc/doc/extend.texi | 6 +++---
 gcc/doc/invoke.texi | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi
index 5cd33772104..08cc1fdddfc 100644
--- a/gcc/doc/extend.texi
+++ b/gcc/doc/extend.texi
@@ -13585,12 +13585,12 @@ long long __builtin_arm_wzero ()
 
 GCC implements extensions for C as described in the ARM C Language
 Extensions (ACLE) specification, which can be found at
-@uref{http://infocenter.arm.com/help/topic/com.arm.doc.ihi0053c/IHI0053C_acle_2_0.pdf}.
+@uref{https://developer.arm.com/documentation/ihi0053/latest/}.
 
 As a part of ACLE, GCC implements extensions for Advanced SIMD as described in
 the ARM C Language Extensions Specification.  The complete list of Advanced SIMD
 intrinsics can be found at
-@uref{http://infocenter.arm.com/help/topic/com.arm.doc.ihi0073a/IHI0073A_arm_neon_intrinsics_ref.pdf}.
+@uref{https://developer.arm.com/documentation/ihi0073/latest/}.
 The built-in intrinsics for the Advanced SIMD extension are available when
 NEON is enabled.
 
@@ -13621,7 +13621,7 @@ void __builtin_arm_set_fpscr (unsigned int)
 GCC implements the ARMv8-M Security Extensions as described in the ARMv8-M
 Security Extensions: Requirements on Development Tools Engineering
 Specification, which can be found at
-@uref{http://infocenter.arm.com/help/topic/com.arm.doc.ecm0359818/ECM0359818_armv8m_security_extensions_reqs_on_dev_tools_1_0.pdf}.
+@uref{https://developer.arm.com/documentation/ecm0359818/latest/}.
 
 As part of the Security Extensions GCC implements two new function attributes:
 @code{cmse_nonsecure_entry} and @code{cmse_nonsecure_call}.
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index e48ccce1c6e..47126319e72 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -16745,7 +16745,7 @@ MOVT instruction.
 @opindex mcmse
 Generate secure code as per the "ARMv8-M Security Extensions: Requirements on
 Development Tools Engineering Specification", which can be found on
-@url{http://infocenter.arm.com/help/topic/com.arm.doc.ecm0359818/ECM0359818_armv8m_security_extensions_reqs_on_dev_tools_1_0.pdf}.
+@url{https://developer.arm.com/documentation/ecm0359818/latest/}.
 @end table
 
 @node AVR Options