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* [gcc r11-4601] RISC-V: Check multiletter extension has more than 1 letter
@ 2020-11-02 9:10 Kito Cheng
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From: Kito Cheng @ 2020-11-02 9:10 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:4ad70477801548db4d37e8d540a3fd6ebbbcfd48
commit r11-4601-g4ad70477801548db4d37e8d540a3fd6ebbbcfd48
Author: Kito Cheng <kito.cheng@sifive.com>
Date: Thu Aug 20 17:19:41 2020 +0800
RISC-V: Check multiletter extension has more than 1 letter
gcc/ChangeLog:
* common/config/riscv/riscv-common.c
(riscv_subset_list::parse_multiletter_ext): Checking multiletter
extension has more than 1 letter.
gcc/testsuite/ChangeLog
* gcc.target/riscv/arch-7.c: New.
* gcc.target/riscv/attribute-10.c: Update test arch string.
Diff:
---
gcc/common/config/riscv/riscv-common.c | 8 ++++++++
gcc/testsuite/gcc.target/riscv/arch-7.c | 6 ++++++
gcc/testsuite/gcc.target/riscv/attribute-10.c | 2 +-
3 files changed, 15 insertions(+), 1 deletion(-)
diff --git a/gcc/common/config/riscv/riscv-common.c b/gcc/common/config/riscv/riscv-common.c
index b84503a7742..84695a6ed1b 100644
--- a/gcc/common/config/riscv/riscv-common.c
+++ b/gcc/common/config/riscv/riscv-common.c
@@ -524,6 +524,14 @@ riscv_subset_list::parse_multiletter_ext (const char *p,
*q = '\0';
+ if (strlen (subset) == 1)
+ {
+ error_at (m_loc, "%<-march=%s%>: name of %s must be more than 1 letter",
+ m_arch, ext_type_str);
+ free (subset);
+ return NULL;
+ }
+
add (subset, major_version, minor_version, explicit_version_p);
free (subset);
p += end_of_version - subset;
diff --git a/gcc/testsuite/gcc.target/riscv/arch-7.c b/gcc/testsuite/gcc.target/riscv/arch-7.c
new file mode 100644
index 00000000000..74ab248fa57
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/arch-7.c
@@ -0,0 +1,6 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -march=rv32i -march=rv32im_s -mabi=ilp32" } */
+int foo()
+{
+}
+/* { dg-error ".'-march=rv32im_s': name of supervisor extension must be more than 1 letter" "" { target *-*-* } 0 } */
diff --git a/gcc/testsuite/gcc.target/riscv/attribute-10.c b/gcc/testsuite/gcc.target/riscv/attribute-10.c
index a874a6234dc..26fdd08b26d 100644
--- a/gcc/testsuite/gcc.target/riscv/attribute-10.c
+++ b/gcc/testsuite/gcc.target/riscv/attribute-10.c
@@ -1,5 +1,5 @@
/* { dg-do compile } */
-/* { dg-options "-O2 -march=rv32i -march=rv32im_s_sx_unexpectedstring -mabi=ilp32" } */
+/* { dg-options "-O2 -march=rv32i -march=rv32im_sx_unexpectedstring -mabi=ilp32" } */
int foo()
{
}
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