This patch support svrsw60t59b extension[1]. To enable GCC to recognize and process svrsw60t59b extension correctly at compile time.
[1] https://github.com/riscv/Svrsw60t59b gcc/ChangeLog: * common/config/riscv/riscv-common.cc: (riscv_ext_version_table) New extension. (riscv_ext_flag_table) Ditto. * config/riscv/riscv-opts.h: New mask. gcc/testsuite/ChangeLog: * gcc.target/riscv/arch-45.c: New test. gcc/doc: * doc/invoke.texi(RISC-V Options): New extension Signed-off-by: Mingzhu Yan <yanming...@iscas.ac.cn> --- gcc/common/config/riscv/riscv-common.cc | 16 +++++++++------- gcc/config/riscv/riscv.opt | 2 ++ gcc/doc/invoke.texi | 4 ++++ gcc/testsuite/gcc.target/riscv/arch-45.c | 5 +++++ 4 files changed, 20 insertions(+), 7 deletions(-) create mode 100644 gcc/testsuite/gcc.target/riscv/arch-45.c diff --git a/gcc/common/config/riscv/riscv-common.cc b/gcc/common/config/riscv/riscv-common.cc index b34409adf..c104cc335 100644 --- a/gcc/common/config/riscv/riscv-common.cc +++ b/gcc/common/config/riscv/riscv-common.cc @@ -409,10 +409,11 @@ static const struct riscv_ext_version riscv_ext_version_table[] = {"ssstateen", ISA_SPEC_CLASS_NONE, 1, 0}, {"sstc", ISA_SPEC_CLASS_NONE, 1, 0}, - {"svinval", ISA_SPEC_CLASS_NONE, 1, 0}, - {"svnapot", ISA_SPEC_CLASS_NONE, 1, 0}, - {"svpbmt", ISA_SPEC_CLASS_NONE, 1, 0}, - {"svvptc", ISA_SPEC_CLASS_NONE, 1, 0}, + {"svinval", ISA_SPEC_CLASS_NONE, 1, 0}, + {"svnapot", ISA_SPEC_CLASS_NONE, 1, 0}, + {"svpbmt", ISA_SPEC_CLASS_NONE, 1, 0}, + {"svvptc", ISA_SPEC_CLASS_NONE, 1, 0}, + {"svrsw60t59b", ISA_SPEC_CLASS_NONE, 1, 0}, {"xcvmac", ISA_SPEC_CLASS_NONE, 1, 0}, {"xcvalu", ISA_SPEC_CLASS_NONE, 1, 0}, @@ -1732,9 +1733,10 @@ static const riscv_ext_flag_table_t riscv_ext_flag_table[] = RISCV_EXT_FLAG_ENTRY ("zcmp", x_riscv_zc_subext, MASK_ZCMP), RISCV_EXT_FLAG_ENTRY ("zcmt", x_riscv_zc_subext, MASK_ZCMT), - RISCV_EXT_FLAG_ENTRY ("svinval", x_riscv_sv_subext, MASK_SVINVAL), - RISCV_EXT_FLAG_ENTRY ("svnapot", x_riscv_sv_subext, MASK_SVNAPOT), - RISCV_EXT_FLAG_ENTRY ("svvptc", x_riscv_sv_subext, MASK_SVVPTC), + RISCV_EXT_FLAG_ENTRY ("svinval", x_riscv_sv_subext, MASK_SVINVAL), + RISCV_EXT_FLAG_ENTRY ("svnapot", x_riscv_sv_subext, MASK_SVNAPOT), + RISCV_EXT_FLAG_ENTRY ("svvptc", x_riscv_sv_subext, MASK_SVVPTC), + RISCV_EXT_FLAG_ENTRY ("svrsw60t59b", x_riscv_sv_subext, MASK_SVRSW60T59B), RISCV_EXT_FLAG_ENTRY ("ztso", x_riscv_ztso_subext, MASK_ZTSO), diff --git a/gcc/config/riscv/riscv.opt b/gcc/config/riscv/riscv.opt index 7515c8ea1..4c6387ab7 100644 --- a/gcc/config/riscv/riscv.opt +++ b/gcc/config/riscv/riscv.opt @@ -472,6 +472,8 @@ Mask(SVNAPOT) Var(riscv_sv_subext) Mask(SVVPTC) Var(riscv_sv_subext) +Mask(SVRSW60T59B) Var(riscv_sv_subext) + TargetVariable int riscv_ztso_subext diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 1819bcdcd..7e61106c5 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -31234,6 +31234,10 @@ to @samp{zvks} and @samp{zvkg}. @tab 1.0 @tab Page-based memory types extension. +@item svrsw60t59b +@tab 1.0 +@tab PTE Reserved-for-Software Bits 60-59 extension. + @item xcvmac @tab 1.0 @tab Core-V multiply-accumulate extension. diff --git a/gcc/testsuite/gcc.target/riscv/arch-45.c b/gcc/testsuite/gcc.target/riscv/arch-45.c new file mode 100644 index 000000000..fe3ee441d --- /dev/null +++ b/gcc/testsuite/gcc.target/riscv/arch-45.c @@ -0,0 +1,5 @@ +/* { dg-do compile } */ +/* { dg-options "-march=rv64gc_svrsw60t59b -mabi=lp64" } */ +int foo() +{ +} -- 2.43.0
