This patch support ssnpm, smnpm, smmpm, sspm and supm extensions[1].
To enable GCC to recognize and process ssnpm, smnpm, smmpm, sspm and 
supm extensions correctly at compile time.

[1]https://github.com/riscv/riscv-j-extension/blob/master/zjpm/instructions.adoc

Changes for v5:
- Fix the testsuite error in arch-50.c.
Changes for v4:
- Fix the code based on the commit id 9b13bea07706a7cae0185f8a860d67209308c050.
Changes for v3:
- Fix the error messages in gcc/testsuite/gcc.target/riscv/arch-46.c
Changes for v2:
- Add the sspm and supm extensions.
- Add the check_conflict_ext function to check the compatibility of ssnpm, 
smnpm, smmpm, sspm and supm extensions.
- Add the test cases for ssnpm, smnpm, smmpm, sspm and supm extensions.

gcc/ChangeLog:

      * common/config/riscv/riscv-common.cc
(riscv_subset_list::check_conflict_ext): New extension.
      * config/riscv/riscv.opt: Ditto.

gcc/testsuite/ChangeLog:

      * gcc.target/riscv/arch-49.c: New test.
      * gcc.target/riscv/arch-50.c: New test.

---
 gcc/common/config/riscv/riscv-common.cc  | 36 ++++++++++++++++++++++++
 gcc/config/riscv/riscv.opt               | 19 +++++++++++++
 gcc/testsuite/gcc.target/riscv/arch-49.c |  5 ++++
 gcc/testsuite/gcc.target/riscv/arch-50.c | 10 +++++++
 4 files changed, 70 insertions(+)
 create mode 100644 gcc/testsuite/gcc.target/riscv/arch-49.c
 create mode 100644 gcc/testsuite/gcc.target/riscv/arch-50.c

diff --git a/gcc/common/config/riscv/riscv-common.cc 
b/gcc/common/config/riscv/riscv-common.cc
index ca14eb96b253..0039833ad3e4 100644
--- a/gcc/common/config/riscv/riscv-common.cc
+++ b/gcc/common/config/riscv/riscv-common.cc
@@ -259,6 +259,10 @@ static const riscv_implied_info_t riscv_implied_info[] =
   {"ssstateen", "zicsr"},
   {"sstc", "zicsr"},

+  {"ssnpm", "zicsr"},
+  {"smnpm", "zicsr"},
+  {"smmpm", "zicsr"},
+
   {"xsfvcp", "zve32x"},

   {NULL, NULL}
@@ -445,6 +449,12 @@ static const struct riscv_ext_version 
riscv_ext_version_table[] =
   {"sstc",      ISA_SPEC_CLASS_NONE, 1, 0},
   {"ssstrict",  ISA_SPEC_CLASS_NONE, 1, 0},

+  {"ssnpm",     ISA_SPEC_CLASS_NONE, 1, 0},
+  {"smnpm",     ISA_SPEC_CLASS_NONE, 1, 0},
+  {"smmpm",     ISA_SPEC_CLASS_NONE, 1, 0},
+  {"sspm",      ISA_SPEC_CLASS_NONE, 1, 0},
+  {"supm",      ISA_SPEC_CLASS_NONE, 1, 0},
+
   {"svade",   ISA_SPEC_CLASS_NONE, 1, 0},
   {"svadu",   ISA_SPEC_CLASS_NONE, 1, 0},
   {"svinval", ISA_SPEC_CLASS_NONE, 1, 0},
@@ -1347,6 +1357,26 @@ riscv_subset_list::check_conflict_ext ()
     error_at (m_loc, "%<-march=%s%>: zcf extension supports in rv32 only",
              m_arch);

+  if (lookup ("ssnpm") && m_xlen == 32)
+    error_at (m_loc, "%<-march=%s%>: ssnpm extension supports in rv64 only",
+             m_arch);
+
+  if (lookup ("smnpm") && m_xlen == 32)
+    error_at (m_loc, "%<-march=%s%>: smnpm extension supports in rv64 only",
+             m_arch);
+
+  if (lookup ("smmpm") && m_xlen == 32)
+    error_at (m_loc, "%<-march=%s%>: smmpm extension supports in rv64 only",
+             m_arch);
+
+  if (lookup ("sspm") && m_xlen == 32)
+    error_at (m_loc, "%<-march=%s%>: sspm extension supports in rv64 only",
+             m_arch);
+
+  if (lookup ("supm") && m_xlen == 32)
+    error_at (m_loc, "%<-march=%s%>: supm extension supports in rv64 only",
+             m_arch);
+
   if (lookup ("zfinx") && lookup ("f"))
     error_at (m_loc,
              "%<-march=%s%>: z*inx conflicts with floating-point "
@@ -1777,6 +1807,12 @@ static const riscv_ext_flag_table_t 
riscv_ext_flag_table[] =
   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 ("ssnpm", x_riscv_ss_subext, MASK_SSNPM),
+  RISCV_EXT_FLAG_ENTRY ("smnpm", x_riscv_sm_subext, MASK_SMNPM),
+  RISCV_EXT_FLAG_ENTRY ("smmpm", x_riscv_sm_subext, MASK_SMMPM),
+  RISCV_EXT_FLAG_ENTRY ("sspm", x_riscv_ss_subext, MASK_SSPM),
+  RISCV_EXT_FLAG_ENTRY ("supm", x_riscv_su_subext, MASK_SUPM),
+
   RISCV_EXT_FLAG_ENTRY ("ztso", x_riscv_ztso_subext, MASK_ZTSO),

   RISCV_EXT_FLAG_ENTRY ("xcvmac",  x_riscv_xcv_subext, MASK_XCVMAC),
diff --git a/gcc/config/riscv/riscv.opt b/gcc/config/riscv/riscv.opt
index 80593ee139c1..3db9408c2387 100644
--- a/gcc/config/riscv/riscv.opt
+++ b/gcc/config/riscv/riscv.opt
@@ -478,6 +478,25 @@ Mask(SVNAPOT) Var(riscv_sv_subext)

 Mask(SVVPTC) Var(riscv_sv_subext)

+TargetVariable
+int riscv_ss_subext
+
+Mask(SSNPM) Var(riscv_ss_subext)
+
+Mask(SSPM) Var(riscv_ss_subext)
+
+TargetVariable
+int riscv_sm_subext
+
+Mask(SMNPM) Var(riscv_sm_subext)
+
+Mask(SMMPM) Var(riscv_sm_subext)
+
+TargetVariable
+int riscv_su_subext
+
+Mask(SUPM) Var(riscv_su_subext)
+
 TargetVariable
 int riscv_ztso_subext

diff --git a/gcc/testsuite/gcc.target/riscv/arch-49.c 
b/gcc/testsuite/gcc.target/riscv/arch-49.c
new file mode 100644
index 000000000000..8f95737b248f
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/arch-49.c
@@ -0,0 +1,5 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gc_ssnpm_smnpm_smmpm_sspm_supm -mabi=lp64" } */
+int foo()
+{
+}
diff --git a/gcc/testsuite/gcc.target/riscv/arch-50.c 
b/gcc/testsuite/gcc.target/riscv/arch-50.c
new file mode 100644
index 000000000000..37027c1b3241
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/arch-50.c
@@ -0,0 +1,15 @@ 
+/* { dg-do compile } */
+/* { dg-options "-march=rv32gc_ssnpm_smnpm_smmpm_sspm_supm -mabi=ilp32d" } */
+int foo()
+{
+}
+/* { dg-error "'-march=rv32gc_ssnpm_smnpm_smmpm_sspm_supm': ssnpm extension 
supports in rv64 only" "" { target *-*-* } 0 } */
+/* { dg-error "'-march=rv32gc_ssnpm_smnpm_smmpm_sspm_supm': smnpm extension 
supports in rv64 only" "" { target *-*-* } 0 } */
+/* { dg-error "'-march=rv32gc_ssnpm_smnpm_smmpm_sspm_supm': smmpm extension 
supports in rv64 only" "" { target *-*-* } 0 } */
+/* { dg-error "'-march=rv32gc_ssnpm_smnpm_smmpm_sspm_supm': sspm extension 
supports in rv64 only" "" { target *-*-* } 0 } */
+/* { dg-error "'-march=rv32gc_ssnpm_smnpm_smmpm_sspm_supm': supm extension 
supports in rv64 only" "" { target *-*-* } 0 } */
+/* { dg-error 
"'-march=rv32imafdc_zicsr_zifencei_zmmul_zaamo_zalrsc_zca_zcd_zcf_smmpm_smnpm_ssnpm_sspm_supm':
 ssnpm extension supports in rv64 only" "" { target *-*-* } 0 } */
+/* { dg-error 
"'-march=rv32imafdc_zicsr_zifencei_zmmul_zaamo_zalrsc_zca_zcd_zcf_smmpm_smnpm_ssnpm_sspm_supm':
 smnpm extension supports in rv64 only" "" { target *-*-* } 0 } */
+/* { dg-error 
"'-march=rv32imafdc_zicsr_zifencei_zmmul_zaamo_zalrsc_zca_zcd_zcf_smmpm_smnpm_ssnpm_sspm_supm':
 smmpm extension supports in rv64 only" "" { target *-*-* } 0 } */
+/* { dg-error 
"'-march=rv32imafdc_zicsr_zifencei_zmmul_zaamo_zalrsc_zca_zcd_zcf_smmpm_smnpm_ssnpm_sspm_supm':
 sspm extension supports in rv64 only" "" { target *-*-* } 0 } */
+/* { dg-error 
"'-march=rv32imafdc_zicsr_zifencei_zmmul_zaamo_zalrsc_zca_zcd_zcf_smmpm_smnpm_ssnpm_sspm_supm':
 supm extension supports in rv64 only" "" { target *-*-* } 0 } */
-- 
2.43.0 

Reply via email to