Could you add some document for doc/invoke.texi, I just added a list for listing all supported extensions before[1].
[1] https://github.com/gcc-mirror/gcc/commit/19260a04ba6f75b1fae52afab50dcb43d44eb259 On Thu, Feb 1, 2024 at 4:29 PM Monk Chiang <monk.chi...@sifive.com> wrote: > > The RISC-V Profiles specification here: > https://github.com/riscv/riscv-profiles/blob/main/profiles.adoc#7-new-isa-extensions > > These extensions don't add any new features but > describe existing features. So this patch only adds parsing. > > Za64rs: Reservation set size of 64 bytes > Za128rs: Reservation set size of 128 bytes > Ziccif: Main memory supports instruction fetch with atomicity requirement > Ziccrse: Main memory supports forward progress on LR/SC sequences > Ziccamoa: Main memory supports all atomics in A > Zicclsm: Main memory supports misaligned loads/stores > Zic64b: Cache block size isf 64 bytes > > gcc/ChangeLog: > > * config/riscv/riscv-common.cc: Add Za64rs, Za128rs, > Ziccif, Ziccrse, Ziccamoa, Zicclsm, Zic64b items. > * config/riscv/riscv.opt: New macro for 7 new unprivileged > extensions. > > gcc/testsuite/ChangeLog: > > * gcc.target/riscv/za-ext.c: New test. > * gcc.target/riscv/zi-ext.c: New test. > --- > gcc/common/config/riscv/riscv-common.cc | 14 ++++++++++++ > gcc/config/riscv/riscv.opt | 14 ++++++++++++ > gcc/testsuite/gcc.target/riscv/za-ext.c | 17 +++++++++++++++ > gcc/testsuite/gcc.target/riscv/zi-ext.c | 29 +++++++++++++++++++++++++ > 4 files changed, 74 insertions(+) > create mode 100644 gcc/testsuite/gcc.target/riscv/za-ext.c > create mode 100644 gcc/testsuite/gcc.target/riscv/zi-ext.c > > diff --git a/gcc/common/config/riscv/riscv-common.cc > b/gcc/common/config/riscv/riscv-common.cc > index 6ac0422ac13..631ce8309a0 100644 > --- a/gcc/common/config/riscv/riscv-common.cc > +++ b/gcc/common/config/riscv/riscv-common.cc > @@ -247,6 +247,8 @@ static const struct riscv_ext_version > riscv_ext_version_table[] = > > {"zicond", ISA_SPEC_CLASS_NONE, 1, 0}, > > + {"za64rs", ISA_SPEC_CLASS_NONE, 1, 0}, > + {"za128rs", ISA_SPEC_CLASS_NONE, 1, 0}, > {"zawrs", ISA_SPEC_CLASS_NONE, 1, 0}, > > {"zba", ISA_SPEC_CLASS_NONE, 1, 0}, > @@ -276,6 +278,11 @@ static const struct riscv_ext_version > riscv_ext_version_table[] = > {"zicboz",ISA_SPEC_CLASS_NONE, 1, 0}, > {"zicbom",ISA_SPEC_CLASS_NONE, 1, 0}, > {"zicbop",ISA_SPEC_CLASS_NONE, 1, 0}, > + {"zic64b", ISA_SPEC_CLASS_NONE, 1, 0}, > + {"ziccamoa", ISA_SPEC_CLASS_NONE, 1, 0}, > + {"ziccif", ISA_SPEC_CLASS_NONE, 1, 0}, > + {"zicclsm", ISA_SPEC_CLASS_NONE, 1, 0}, > + {"ziccrse", ISA_SPEC_CLASS_NONE, 1, 0}, > > {"zicntr", ISA_SPEC_CLASS_NONE, 2, 0}, > {"zihpm", ISA_SPEC_CLASS_NONE, 2, 0}, > @@ -1494,6 +1501,8 @@ static const riscv_ext_flag_table_t > riscv_ext_flag_table[] = > {"zifencei", &gcc_options::x_riscv_zi_subext, MASK_ZIFENCEI}, > {"zicond", &gcc_options::x_riscv_zi_subext, MASK_ZICOND}, > > + {"za64rs", &gcc_options::x_riscv_za_subext, MASK_ZA64RS}, > + {"za128rs", &gcc_options::x_riscv_za_subext, MASK_ZA128RS}, > {"zawrs", &gcc_options::x_riscv_za_subext, MASK_ZAWRS}, > > {"zba", &gcc_options::x_riscv_zb_subext, MASK_ZBA}, > @@ -1523,6 +1532,11 @@ static const riscv_ext_flag_table_t > riscv_ext_flag_table[] = > {"zicboz", &gcc_options::x_riscv_zicmo_subext, MASK_ZICBOZ}, > {"zicbom", &gcc_options::x_riscv_zicmo_subext, MASK_ZICBOM}, > {"zicbop", &gcc_options::x_riscv_zicmo_subext, MASK_ZICBOP}, > + {"zic64b", &gcc_options::x_riscv_zicmo_subext, MASK_ZIC64B}, > + {"ziccamoa", &gcc_options::x_riscv_zicmo_subext, MASK_ZICCAMOA}, > + {"ziccif", &gcc_options::x_riscv_zicmo_subext, MASK_ZICCIF}, > + {"zicclsm", &gcc_options::x_riscv_zicmo_subext, MASK_ZICCLSM}, > + {"ziccrse", &gcc_options::x_riscv_zicmo_subext, MASK_ZICCRSE}, > > {"zve32x", &gcc_options::x_target_flags, MASK_VECTOR}, > {"zve32f", &gcc_options::x_target_flags, MASK_VECTOR}, > diff --git a/gcc/config/riscv/riscv.opt b/gcc/config/riscv/riscv.opt > index b6d8e9a3f74..f6ff70b2b30 100644 > --- a/gcc/config/riscv/riscv.opt > +++ b/gcc/config/riscv/riscv.opt > @@ -225,11 +225,25 @@ Mask(ZIHINTPAUSE) Var(riscv_zi_subext) > > Mask(ZICOND) Var(riscv_zi_subext) > > +Mask(ZIC64B) Var(riscv_zi_subext) > + > +Mask(ZICCAMOA) Var(riscv_zi_subext) > + > +Mask(ZICCIF) Var(riscv_zi_subext) > + > +Mask(ZICCLSM) Var(riscv_zi_subext) > + > +Mask(ZICCRSE) Var(riscv_zi_subext) > + > TargetVariable > int riscv_za_subext > > Mask(ZAWRS) Var(riscv_za_subext) > > +Mask(ZA64RS) Var(riscv_za_subext) > + > +Mask(ZA128RS) Var(riscv_za_subext) > + > TargetVariable > int riscv_zb_subext > > diff --git a/gcc/testsuite/gcc.target/riscv/za-ext.c > b/gcc/testsuite/gcc.target/riscv/za-ext.c > new file mode 100644 > index 00000000000..126da2fcadd > --- /dev/null > +++ b/gcc/testsuite/gcc.target/riscv/za-ext.c > @@ -0,0 +1,17 @@ > +/* { dg-do compile } */ > +/* { dg-options "-march=rv64gc_za64rs_za128rs" { target { rv64 } } } */ > +/* { dg-options "-march=rv32gc_za64rs_za128rs" { target { rv32 } } } */ > + > +#ifndef __riscv_za64rs > +#error "Feature macro for 'za64rs' not defined" > +#endif > + > +#ifndef __riscv_za128rs > +#error "Feature macro for 'za128rs' not defined" > +#endif > + > +int > +foo (int a) > +{ > + return a; > +} > diff --git a/gcc/testsuite/gcc.target/riscv/zi-ext.c > b/gcc/testsuite/gcc.target/riscv/zi-ext.c > new file mode 100644 > index 00000000000..65a7acb32af > --- /dev/null > +++ b/gcc/testsuite/gcc.target/riscv/zi-ext.c > @@ -0,0 +1,29 @@ > +/* { dg-do compile } */ > +/* { dg-options "-march=rv64gc_zic64b_ziccamoa_ziccif_zicclsm_ziccrse" { > target { rv64 } } } */ > +/* { dg-options "-march=rv32gc_zic64b_ziccamoa_ziccif_zicclsm_ziccrse" { > target { rv32 } } } */ > + > +#ifndef __riscv_zic64b > +#error "Feature macro for 'zic64b' not defined" > +#endif > + > +#ifndef __riscv_ziccamoa > +#error "Feature macro for 'ziccamoa' not defined" > +#endif > + > +#ifndef __riscv_ziccif > +#error "Feature macro for 'ziccif' not defined" > +#endif > + > +#ifndef __riscv_zicclsm > +#error "Feature macro for 'zicclsm' not defined" > +#endif > + > +#ifndef __riscv_ziccrse > +#error "Feature macro for 'ziccrse' not defined" > +#endif > + > +int > +foo (int a) > +{ > + return a; > +} > -- > 2.40.1 >
