diff options
Diffstat (limited to 'gcc/doc')
-rw-r--r-- | gcc/doc/extend.texi | 1 | ||||
-rw-r--r-- | gcc/doc/install.texi | 17 | ||||
-rw-r--r-- | gcc/doc/invoke.texi | 26 | ||||
-rw-r--r-- | gcc/doc/riscv-ext.texi | 32 | ||||
-rw-r--r-- | gcc/doc/standards.texi | 4 |
5 files changed, 66 insertions, 14 deletions
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi index fe22d34..e4f3cc2 100644 --- a/gcc/doc/extend.texi +++ b/gcc/doc/extend.texi @@ -3879,6 +3879,7 @@ behavior and permissible arguments are the same as for the command-line option @cindex @code{outline-atomics} function attribute, AArch64 @item outline-atomics +@itemx no-outline-atomics Enable or disable calls to out-of-line helpers to implement atomic operations. This corresponds to the behavior of the command-line options @option{-moutline-atomics} and @option{-mno-outline-atomics}. diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi index ff08336..34e35a2 100644 --- a/gcc/doc/install.texi +++ b/gcc/doc/install.texi @@ -1342,9 +1342,13 @@ default set of libraries is selected based on the value of @item amdgcn*-*-* @var{list} is a comma separated list of ISA names (allowed values: -@code{gfx900}, @code{gfx906}, @code{gfx908}, @code{gfx90a}, @code{gfx90c}, -@code{gfx1030}, @code{gfx1036}, @code{gfx1100}, @code{gfx1103}). -It ought not include the name of the default +@code{gfx900}, @code{gfx902}, @code{gfx904}, @code{gfx906}, @code{gfx908}, +@code{gfx909}, @code{gfx90a}, @code{gfx90c}, @code{gfx942}, @code{gfx950}, +@code{gfx9-generic}, @code{gfx9-4-generic}, @code{gfx1030}, @code{gfx1031}, +@code{gfx1032}, @code{gfx1033}, @code{gfx1034}, @code{gfx1035}, @code{gfx1036}, +@code{gfx10-3-generic}, @code{gfx1100}, @code{gfx1101}, @code{gfx1102}, +@code{gfx1103}, @code{gfx1150}, @code{gfx1151}, @code{gfx1152}, @code{gfx1153}, +@code{gfx11-generic}). It ought not include the name of the default ISA, specified via @option{--with-arch}. If @var{list} is empty, then there will be no multilibs and only the default run-time library will be built. If @var{list} is @code{default} or @option{--with-multilib-list=} is not @@ -4060,9 +4064,10 @@ By default, multilib support is built for @code{gfx900}, @code{gfx906}, requires LLVM 15 or newer. LLVM 13.0.1 or LLVM 14 can be used by specifying a @code{--with-multilib-list=} that does not list any GFX 11 device nor @code{gfx1036}. At least LLVM 16 is required for @code{gfx1150} and -@code{gfx1151}, LLVM 19 for the generic @code{gfx9-generic}, -@code{gfx10-3-generic}, and @code{gfx11-generic} targets and for -@code{gfx1152}, while LLVM 20 is required for @code{gfx1153}. +@code{gfx1151}, LLVM 18 for @code{gfx942}, LLVM 19 for the generic +@code{gfx9-generic}, @code{gfx9-4-generic}, @code{gfx10-3-generic}, and +@code{gfx11-generic} targets and for @code{gfx1152}, while LLVM 20 is required +for @code{gfx950} and @code{gfx1153}. The supported ISA architectures are listed in the GCC manual. The generic ISA targets @code{gfx9-generic}, @code{gfx10-3-generic}, and diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 8de0085..382cc9f 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -2440,8 +2440,8 @@ ISO C99. This standard is substantially completely supported, modulo bugs and floating-point issues (mainly but not entirely relating to optional C99 features from Annexes F and G). See -@w{@uref{https://gcc.gnu.org/c99status.html}} for more information. The -names @samp{c9x} and @samp{iso9899:199x} are deprecated. +@w{@uref{https://gcc.gnu.org/projects/c-status.html}} for more information. +The names @samp{c9x} and @samp{iso9899:199x} are deprecated. @item c11 @itemx c1x @@ -7060,14 +7060,14 @@ which is enabled by optimizations in most targets. The precision of the warnings depends on the optimization options used. @opindex Wno-musttail-local-addr -@opindex -Wmusttail-local-addr +@opindex Wmusttail-local-addr @item -Wno-musttail-local-addr Do not warn about passing a pointer (or in C++, a reference) to a local variable or label to argument of a @code{musttail} call. Those variables go out of scope before the tail call instruction. @opindex Wmaybe-musttail-local-addr -@opindex -Wno-maybe-musttail-local-addr +@opindex Wno-maybe-musttail-local-addr @item -Wmaybe-musttail-local-addr Warn when address of a local variable can escape to a @code{musttail} call, unless it goes out of scope already before the @code{musttail} @@ -17325,6 +17325,10 @@ this parameter. The default value of this parameter is 50. @item vect-induction-float Enable loop vectorization of floating point inductions. +@item vect-scalar-cost-multiplier +Apply the given multiplier % to scalar loop costing during vectorization. +Increasing the cost multiplier will make vector loops more profitable. + @item vrp-block-limit Maximum number of basic blocks before VRP switches to a lower memory algorithm. @@ -22669,10 +22673,20 @@ Compile for CDNA2 Instinct MI200 series devices (gfx90a). @item gfx90c Compile for GCN5 Vega 7 devices (gfx90c). +@item gfx942 +Compile for CDNA3 Instinct MI300 series devices (gfx942). (Experimental) + +@item gfx950 +Compile for the CDNA3 gfx950 devices. (Experimental) + @item gfx9-generic Compile generic code for Vega devices, executable on the following subset of GFX9 devices: gfx900, gfx902, gfx904, gfx906, gfx909 and gfx90c. (Experimental) +@item gfx9-4-generic +Compile generic code for CDNA3 devices, executable on the following subset of +GFX9 devices: gfx942 and gfx950. (Experimental) + @item gfx1030 Compile for RDNA2 gfx1030 devices (GFX10 series). @@ -31200,8 +31214,8 @@ Permissible values for this option are: @samp{mips-p8700}, @samp{sifive-e20}, @samp{sifive-e76}, @samp{sifive-s21}, @samp{sifive-s51}, @samp{sifive-s54}, @samp{sifive-s76}, @samp{sifive-u54}, @samp{sifive-u74}, @samp{sifive-x280}, @samp{sifive-xp450}, @samp{sifive-x670}, @samp{thead-c906}, @samp{tt-ascalon-d8}, -@samp{xiangshan-nanhu}, @samp{xt-c908}, @samp{xt-c908v}, @samp{xt-c910}, @samp{xt-c910v2}, -@samp{xt-c920}, @samp{xt-c920v2}. +@samp{xiangshan-nanhu}, @samp{xiangshan-kunminghu}, @samp{xt-c908}, @samp{xt-c908v}, +@samp{xt-c910}, @samp{xt-c910v2}, @samp{xt-c920}, @samp{xt-c920v2}. Note that @option{-mcpu} does not override @option{-march} or @option{-mtune}. diff --git a/gcc/doc/riscv-ext.texi b/gcc/doc/riscv-ext.texi index 3e6541a..c3ed1bf 100644 --- a/gcc/doc/riscv-ext.texi +++ b/gcc/doc/riscv-ext.texi @@ -502,6 +502,10 @@ @tab 1.0 @tab Cycle and instret privilege mode filtering +@item smcsrind +@tab 1.0 +@tab Machine-Level Indirect CSR Access + @item smepmp @tab 1.0 @tab PMP Enhancements for memory access and execution prevention on Machine mode @@ -514,6 +518,10 @@ @tab 1.0 @tab smnpm extension +@item smrnmi +@tab 1.0 +@tab Resumable non-maskable interrupts + @item smstateen @tab 1.0 @tab State enable extension @@ -526,10 +534,22 @@ @tab 1.0 @tab Advanced interrupt architecture extension for supervisor-mode +@item ssccptr +@tab 1.0 +@tab Main memory supports page table reads + @item sscofpmf @tab 1.0 @tab Count overflow & filtering extension +@item sscounterenw +@tab 1.0 +@tab Support writeable enables for any supported counter + +@item sscsrind +@tab 1.0 +@tab Supervisor-Level Indirect CSR Access + @item ssnpm @tab 1.0 @tab ssnpm extension @@ -546,6 +566,14 @@ @tab 1.0 @tab Supervisor-mode timer interrupts extension +@item sstvala +@tab 1.0 +@tab Stval provides all needed values + +@item sstvecd +@tab 1.0 +@tab Stvec supports Direct mode + @item ssstrict @tab 1.0 @tab ssstrict extension @@ -554,6 +582,10 @@ @tab 1.0 @tab Double Trap Extensions +@item ssu64xl +@tab 1.0 +@tab UXLEN=64 must be supported + @item supm @tab 1.0 @tab supm extension diff --git a/gcc/doc/standards.texi b/gcc/doc/standards.texi index 011f7e2..0d765b1 100644 --- a/gcc/doc/standards.texi +++ b/gcc/doc/standards.texi @@ -96,8 +96,8 @@ A new edition of the ISO C standard was published in 1999 as ISO/IEC development, drafts of this standard version were referred to as @dfn{C9X}.) GCC has substantially complete support for this standard version; see -@uref{https://gcc.gnu.org/c99status.html} for details. To select this -standard, use @option{-std=c99} or @option{-std=iso9899:1999}. +@uref{https://gcc.gnu.org/projects/c-status.html} for details. To select +this standard, use @option{-std=c99} or @option{-std=iso9899:1999}. Errors in the 1999 ISO C standard were corrected in three Technical Corrigenda published in 2001, 2004 and 2007. GCC does not support the |