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| author | Haochen Gui <guihaoc@gcc.gnu.org> | 2024-08-15 13:41:25 +0800 |
|---|---|---|
| committer | Haochen Gui <guihaoc@gcc.gnu.org> | 2024-08-15 13:41:25 +0800 |
| commit | 44eb45c2ef7192eb6a811fd46fcb2c7fbeb6f865 (patch) | |
| tree | ff14a8cbd513c89a599e16aebf2c2599abca6260 | |
| parent | 53945be1efb502f235d84ff67ceafe4a764b6e1c (diff) | |
| download | gcc-44eb45c2ef7192eb6a811fd46fcb2c7fbeb6f865.zip gcc-44eb45c2ef7192eb6a811fd46fcb2c7fbeb6f865.tar.gz gcc-44eb45c2ef7192eb6a811fd46fcb2c7fbeb6f865.tar.bz2 | |
rs6000: Implement optab_isfinite for SFDF and IEEE128
gcc/
PR target/97786
* config/rs6000/vsx.md (isfinite<mode>2): New expand.
gcc/testsuite/
PR target/97786
* gcc.target/powerpc/pr97786-4.c: New test.
* gcc.target/powerpc/pr97786-5.c: New test.
| -rw-r--r-- | gcc/config/rs6000/vsx.md | 15 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/powerpc/pr97786-4.c | 17 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/powerpc/pr97786-5.c | 12 |
3 files changed, 44 insertions, 0 deletions
diff --git a/gcc/config/rs6000/vsx.md b/gcc/config/rs6000/vsx.md index 3a6afd1..0f18fd5 100644 --- a/gcc/config/rs6000/vsx.md +++ b/gcc/config/rs6000/vsx.md @@ -5370,6 +5370,21 @@ DONE; }) +(define_expand "isfinite<mode>2" + [(use (match_operand:SI 0 "gpc_reg_operand")) + (use (match_operand:IEEE_FP 1 "<fp_register_op>"))] + "TARGET_P9_VECTOR + && (!FLOAT128_IEEE_P (<MODE>mode) || TARGET_FLOAT128_HW)" +{ + rtx tmp = gen_reg_rtx (SImode); + /* It is neither infinite nor NAN. */ + int mask = VSX_TEST_DATA_CLASS_POS_INF | VSX_TEST_DATA_CLASS_NEG_INF + | VSX_TEST_DATA_CLASS_NAN; + emit_insn (gen_xststdc_<mode> (tmp, operands[1], GEN_INT (mask))); + emit_insn (gen_xorsi3 (operands[0], tmp, const1_rtx)); + DONE; +}) + ;; The VSX Scalar Test Negative Quad-Precision (define_expand "xststdcnegqp_<mode>" [(set (match_dup 2) diff --git a/gcc/testsuite/gcc.target/powerpc/pr97786-4.c b/gcc/testsuite/gcc.target/powerpc/pr97786-4.c new file mode 100644 index 0000000..9cdde78 --- /dev/null +++ b/gcc/testsuite/gcc.target/powerpc/pr97786-4.c @@ -0,0 +1,17 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -mdejagnu-cpu=power9" } */ +/* { dg-require-effective-target powerpc_vsx } */ + +int test1 (double x) +{ + return __builtin_isfinite (x); +} + +int test2 (float x) +{ + return __builtin_isfinite (x); +} + +/* { dg-final { scan-assembler-not {\mfcmp} } } */ +/* { dg-final { scan-assembler-times {\mxststdcsp\M} 1 } } */ +/* { dg-final { scan-assembler-times {\mxststdcdp\M} 1 } } */ diff --git a/gcc/testsuite/gcc.target/powerpc/pr97786-5.c b/gcc/testsuite/gcc.target/powerpc/pr97786-5.c new file mode 100644 index 0000000..0ef8b86f --- /dev/null +++ b/gcc/testsuite/gcc.target/powerpc/pr97786-5.c @@ -0,0 +1,12 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target ppc_float128_hw } */ +/* { dg-options "-O2 -mdejagnu-cpu=power9 -mabi=ieeelongdouble -Wno-psabi" } */ +/* { dg-require-effective-target powerpc_vsx } */ + +int test1 (long double x) +{ + return __builtin_isfinite (x); +} + +/* { dg-final { scan-assembler-not {\mxscmpuqp\M} } } */ +/* { dg-final { scan-assembler {\mxststdcqp\M} } } */ |