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| author | Jiawei <jiawei@iscas.ac.cn> | 2023-03-29 00:55:15 +0800 |
|---|---|---|
| committer | Kito Cheng <kito.cheng@sifive.com> | 2023-03-29 21:48:19 +0800 |
| commit | b2f327b9be81326c9e59fc6da98074c909ac7408 (patch) | |
| tree | f2ea60c6d0a139256427faded2bdb6cf8b1a8ac5 | |
| parent | 8b2766e87dbf0d20808bc92d8e6ee7f876d19ab2 (diff) | |
| download | gcc-b2f327b9be81326c9e59fc6da98074c909ac7408.zip gcc-b2f327b9be81326c9e59fc6da98074c909ac7408.tar.gz gcc-b2f327b9be81326c9e59fc6da98074c909ac7408.tar.bz2 | |
RISC-V: Add Z*inx imcompatible check in gcc
Z*inx is conflict with float extensions, add incompatible check when
z*inx and f extension both enabled.
Since all float extension imply f extension and all z*inx extension
imply zfinx extension, so we just need to check f with zfinx extension
as the base case.
Co-Authored by: Kito Cheng <kito.cheng@gmail.com>
gcc/ChangeLog:
* common/config/riscv/riscv-common.cc (riscv_subset_list::parse):
New check.
gcc/testsuite/ChangeLog:
* gcc.target/riscv/arch-19.c: New test.
| -rw-r--r-- | gcc/common/config/riscv/riscv-common.cc | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/riscv/arch-19.c | 4 |
2 files changed, 9 insertions, 0 deletions
diff --git a/gcc/common/config/riscv/riscv-common.cc b/gcc/common/config/riscv/riscv-common.cc index ef221be..b3c6ec9 100644 --- a/gcc/common/config/riscv/riscv-common.cc +++ b/gcc/common/config/riscv/riscv-common.cc @@ -1153,6 +1153,11 @@ riscv_subset_list::parse (const char *arch, location_t loc) subset_list->handle_combine_ext (); + if (subset_list->lookup("zfinx") && subset_list->lookup("f")) + error_at (loc, + "%<-march=%s%>: z*inx is conflict with float extensions", + arch); + return subset_list; fail: diff --git a/gcc/testsuite/gcc.target/riscv/arch-19.c b/gcc/testsuite/gcc.target/riscv/arch-19.c new file mode 100644 index 0000000..83c6e00 --- /dev/null +++ b/gcc/testsuite/gcc.target/riscv/arch-19.c @@ -0,0 +1,4 @@ +/* { dg-do compile } */ +/* { dg-options "-march=rv64if_zfinx -mabi=lp64" } */ +int foo() {} +/* { dg-error "'-march=rv64if_zfinx': z\\*inx is conflict with float extensions" "" { target *-*-* } 0 } */ |