This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "gcc-wwwdocs". The branch, master has been updated via 215f3f4f7d8ad162a9a3f5e48b475d82ee4cfb3d (commit) from 883e5a2bf2e296dc7344795d596362fdebaa04f6 (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- commit 215f3f4f7d8ad162a9a3f5e48b475d82ee4cfb3d Author: Lulu Cheng Date: Tue Apr 23 11:31:58 2024 +0800 wwwdocs: gcc-14/changes.html: Add Loongarch changes. diff --git a/htdocs/gcc-14/changes.html b/htdocs/gcc-14/changes.html index 9509487c..f0f0efe0 100644 --- a/htdocs/gcc-14/changes.html +++ b/htdocs/gcc-14/changes.html @@ -877,6 +877,162 @@ __asm (".global __flmap_lock" "\n\t" +

LoongArch

Support for the following + + -march parameters has been added: +
- la64v1.0
- la64v1.1
- la664
+ It is now recommended to use -march=la64v1.0 as the only + compiler option to describe the target ISA when building binaries for + distribution. For more information on LoongArch ISA versions, see + + Toolchain Conventions of the LoongArch™ Architecture. +
Support for the following + + -mtune parameters has been added: +
- generic
- la664
+
New ISA Extension +
- LSX (Loongson SIMD Extension): Support 128-bit vector instructions + and the intrinsics. +
- LASX (Loongson Advanced SIMD Extension): Support 256-bit vector + instructions and the intrinsics. +
- FRECIPE: Support frecipe.{s/d} and + frsqrte.{s/d} instructions and the intrinsics. +
- DIV32: Support div.w[u] and mod.w[u] + instructions with inputs not sign-extended. +
- LAM_BH: Support am{swap/add}[_db].{b/h} instructions. +
- LAMCAS: Support amcas[_db].{b/h/w/d} instructions. +
+
New Built-in Macros +
- __loongarch_arch: Target ISA preset as specified by + -march=. For example, compiling with + -march=la64v1.0, the value of __loongarch_arch + is "la64v1.0". +
- __loongarch_tune: Processor model as specified by + -mtune or its default value. +
- __loongarch_{simd,sx,asx}: These macros are not defined, + or defined as 1. +
- __loongarch_simd_width: The maximum SIMD bit-width + enabled by the compiler. (128 for lsx, and 256 for lasx). +
- __loongarch_frecipe: It's defined to 1 or undefined. +
- __loongarch_div32: It's defined to 1 or undefined.
- __loongarch_lam_bh: It's defined to 1 or undefined.
- __loongarch_lamcas: It's defined to 1 or undefined.
- __loongarch_ld_seq_sa: It's defined to 1 or undefined. +
- __loongarch_version_major: + The minimally required LoongArch ISA version (major) to run the + compiled program, defined to 1 or undefined (iff no such version is + known to the compiler). +
- __loongarch_version_minor: + The minimally required LoongArch ISA version (minor) to run the + compiled program, defined to 0 1 or undefined (iff + __loongarch_version_major is undefined). +
- __FLOAT128_TYPE: It's defined to 1.
+
New Intrinsics +
- + __builtin_thread_pointer +
- + __lsx_* +
- + __lasx_* +
- + __frecipe_{s/d} and __frsqrte_{s/d} +
+
New Compiler Option +
- + -m[no-]lsx +
- + -m[no-]lasx +
- + -m[no-]frecipe +
- + -m[no-]div32 +
- + -m[no-]lam-bh +
- + -m[no-]lamcas +
- + -m[no-]ld-seq-sa +
- + -mrecip= +
- + -m[no-]recip +
- + -mexplicit-relocs={none,always,auto} +
- + -m[no-]relax +
- + -m[no-]pass-mrelax-to-as +
- + -mtls-dialect={trad,desc} +
+
Support for Ada and D.
Support for libffi.
Enable -free by default at -O2 or higher.
Enable -fsched-pressure by default at -O1 or + higher. +
Support the extreme code model using macro instructions + (under -mno-explicit-relocs).
Support call36.
Optimizing built-in functions for memory-model-aware atomic operations + using hierarchical dbar instructions.
TLS descriptors support. It is not enabled by default, and can be enabled + with + -mtls-dialect=desc. The default behavior can be + configured with --with-tls=[trad|desc].

+ ----------------------------------------------------------------------- Summary of changes: htdocs/gcc-14/changes.html | 156 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 156 insertions(+) hooks/post-receive -- gcc-wwwdocs