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| author | Uros Bizjak <ubizjak@gmail.com> | 2020-05-22 18:02:49 +0200 |
|---|---|---|
| committer | Uros Bizjak <ubizjak@gmail.com> | 2020-05-22 18:02:49 +0200 |
| commit | 1a030003858d853f564ed354f1cb579c03db17ef (patch) | |
| tree | 540d4b93c0ccec72518d932d3fbe3a6b3ef3cf77 /gcc | |
| parent | bcb63eb2cbd3caf212b9cf42d8c218c09dc6ff8b (diff) | |
| download | gcc-1a030003858d853f564ed354f1cb579c03db17ef.zip gcc-1a030003858d853f564ed354f1cb579c03db17ef.tar.gz gcc-1a030003858d853f564ed354f1cb579c03db17ef.tar.bz2 | |
i386: Fix <rounding_insn><mode>2 expander [PR95255]
2020-05-22 Uroš Bizjak <ubizjak@gmail.com>
gcc/ChangeLog:
PR target/95255
* config/i386/i386.md (<rounding_insn><mode>2): Do not try to
expand non-sse4 ROUND_ROUNDEVEN rounding via SSE support routines.
gcc/testsuite/ChangeLog:
PR target/95255
* gcc.target/i386/pr95255.c: New test.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/i386/i386.md | 12 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr95255.c | 8 |
4 files changed, 26 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index cef15b0..8f80df5 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2020-05-22 Uroš Bizjak <ubizjak@gmail.com> + + PR target/95255 + * config/i386/i386.md (<rounding_insn><mode>2): Do not try to + expand non-sse4 ROUND_ROUNDEVEN rounding via SSE support routines. + 2020-05-22 Jan Hubicka <hubicka@ucw.cz> * lto-streamer-out.c (lto_output_tree): Do not stream final ref if diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index e81c737..459cf62 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -17115,16 +17115,18 @@ && (flag_fp_int_builtin_inexact || !flag_trapping_math)) || (SSE_FLOAT_MODE_P (<MODE>mode) && TARGET_SSE_MATH && (TARGET_SSE4_1 - || (ROUND_<ROUNDING> != ROUND_ROUNDEVEN - && (flag_fp_int_builtin_inexact || !flag_trapping_math))))" + || (ROUND_<ROUNDING> != ROUND_ROUNDEVEN + && (flag_fp_int_builtin_inexact || !flag_trapping_math))))" { if (SSE_FLOAT_MODE_P (<MODE>mode) && TARGET_SSE_MATH - && (TARGET_SSE4_1 || flag_fp_int_builtin_inexact || !flag_trapping_math)) + && (TARGET_SSE4_1 + || (ROUND_<ROUNDING> != ROUND_ROUNDEVEN + && (flag_fp_int_builtin_inexact || !flag_trapping_math)))) { if (TARGET_SSE4_1) emit_insn (gen_sse4_1_round<mode>2 - (operands[0], operands[1], GEN_INT (ROUND_<ROUNDING> - | ROUND_NO_EXC))); + (operands[0], operands[1], + GEN_INT (ROUND_<ROUNDING> | ROUND_NO_EXC))); else if (TARGET_64BIT || (<MODE>mode != DFmode)) { if (ROUND_<ROUNDING> == ROUND_FLOOR) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 7812e3f0..1dbdc38 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2020-05-22 Uroš Bizjak <ubizjak@gmail.com> + + PR target/95255 + * gcc.target/i386/pr95255.c: New test. + 2020-05-22 Hongtao.liu <hongtao.liu@intel.com> * gcc.target/i386/pr92658-avx512f.c: New test. diff --git a/gcc/testsuite/gcc.target/i386/pr95255.c b/gcc/testsuite/gcc.target/i386/pr95255.c new file mode 100644 index 0000000..5b73194 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr95255.c @@ -0,0 +1,8 @@ +/* PR target/95255 */ +/* { dg-do compile } */ +/* { dg-options "-O2 -msse2 -mno-sse4.1 -mfpmath=both" } */ + +double foo (double x) +{ + return __builtin_roundeven (x); +} |