The new round_32.c and round_64.c tests depend on the optimizers to
recognize the conversions feeding the floor/ceil calls and convert them
into ceilf, floorf and the like.
Those transformations only occur when the target indicates the C library
has the appropriate routines (fnclass == function_c99_misc). While
newlib has these routines, they are not exposed as available to the
compiler and thus the transformation the tests depend on do not happen.
Naturally the scan-tests then fail.
Pushing to the trunk & the coordination branch.
jeff
commit 1e29da0b6508b23a7a6b14a7fb643b917a195003
Author: Jeff Law <j...@ventanamicro.com>
Date: Thu May 2 08:42:32 2024 -0600
[committed] [RISC-V] Don't run new rounding tests on newlib risc-v targets
The new round_32.c and round_64.c tests depend on the optimizers to
recognize
the conversions feeding the floor/ceil calls and convert them into ceilf,
floorf and the like.
Those transformations only occur when the target indicates the C library has
the appropriate routines (fnclass == function_c99_misc). While newlib has
these routines, they are not exposed as available to the compiler and thus
the
transformation the tests depend on do not happen. Naturally the scan-tests
then
fail.
gcc/testsuite
* gcc.target/riscv/round_32.c: Add require-effective-target glibc.
* gcc.target/riscv/round_64.c: Likewise.
diff --git a/gcc/testsuite/gcc.target/riscv/round_32.c
b/gcc/testsuite/gcc.target/riscv/round_32.c
index f9fea70ad55..88ff77aff2e 100644
--- a/gcc/testsuite/gcc.target/riscv/round_32.c
+++ b/gcc/testsuite/gcc.target/riscv/round_32.c
@@ -1,4 +1,5 @@
/* { dg-do compile { target { riscv32*-*-* } } } */
+/* { dg-require-effective-target glibc } */
/* { dg-options "-march=rv32gc -mabi=ilp32d -fno-math-errno
-funsafe-math-optimizations -fno-inline" } */
/* { dg-skip-if "" { *-*-* } { "-O0" "-Og" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/round_64.c
b/gcc/testsuite/gcc.target/riscv/round_64.c
index e79690979a5..5e13bccdcd2 100644
--- a/gcc/testsuite/gcc.target/riscv/round_64.c
+++ b/gcc/testsuite/gcc.target/riscv/round_64.c
@@ -1,4 +1,5 @@
/* { dg-do compile { target { riscv64*-*-* } } } */
+/* { dg-require-effective-target glibc } */
/* { dg-options "-march=rv64gc -mabi=lp64d -fno-math-errno
-funsafe-math-optimizations -fno-inline" } */
/* { dg-skip-if "" { *-*-* } { "-O0" "-Og" } } */
