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RISC-V: Add deprecation warning to LP64E abi

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gcc/ChangeLog:

	PR target/116152
	* config/riscv/riscv.cc (riscv_option_override): Add deprecation
	warning.

gcc/testsuite/ChangeLog:

	* gcc.target/riscv/predef-9.c: Add check for warning.

Signed-off-by: Patrick O'Neill <patrick@rivosinc.com>
This commit is contained in:
Patrick O'Neill 2024-07-30 17:32:09 -07:00
parent 8651229227
commit 51db1f307b
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2 changed files with 9 additions and 0 deletions
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7
gcc/config/riscv/riscv.cc
View File

@ -9823,6 +9823,13 @@ riscv_option_override (void)
error ("ILP32E ABI does not support the %qc extension",
UNITS_PER_FP_REG > 8 ? 'Q' : 'D');
if (riscv_abi == ABI_LP64E)
{
if (warning (OPT_Wdeprecated, "LP64E ABI is marked for deprecation in GCC"))
inform (UNKNOWN_LOCATION, "If you need LP64E please notify the GCC "
"project via https://gcc.gnu.org/PR116152");
}
/* Zfinx require abi ilp32, ilp32e, lp64 or lp64e. */
if (TARGET_ZFINX
&& riscv_abi != ABI_ILP32 && riscv_abi != ABI_LP64

2
gcc/testsuite/gcc.target/riscv/predef-9.c
View File

@ -1,5 +1,7 @@
/* { dg-do compile } */
/* { dg-options "-march=rv64em -mabi=lp64e -mno-div -mcmodel=medlow" } */
/* { dg-warning "LP64E ABI is marked for deprecation in GCC" "" { target *-*-* } 0 } */
/* { dg-note "If you need LP64E please notify the GCC project via https://gcc.gnu.org/PR116152" "" { target *-*-* } 0 } */
int main () {
#if !defined(__riscv)