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| author | Tejas Joshi <tejasjoshi9673@gmail.com> | 2019-08-26 12:41:59 +0000 |
|---|---|---|
| committer | Martin Jambor <jamborm@gcc.gnu.org> | 2019-08-26 14:41:59 +0200 |
| commit | d3b92f35d84f44a8599028086286699213b73e7c (patch) | |
| tree | 68dd8aabf68a9b3ef68b677082dbe5c480fe7ae5 /gcc/reg-stack.c | |
| parent | 7d7b99f95bf2517caab5f9300090b471135b4fc0 (diff) | |
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i386: Roundeven expansion for SSE4.1+
gcc/ChangeLog:
2019-08-26 Tejas Joshi <tejasjoshi9673@gmail.com>
Uros Bizjak <ubizjak@gmail.com>
* builtins.c (mathfn_built_in_2): Change CASE_MATHFN to
CASE_MATHFN_FLOATN for roundeven.
* config/i386/i386.c (ix86_i387_mode_needed): Add case
I387_ROUNDEVEN.
(ix86_mode_needed): Likewise.
(ix86_mode_after): Likewise.
(ix86_mode_entry): Likewise.
(ix86_mode_exit): Likewise.
(ix86_emit_mode_set): Likewise.
(emit_i387_cw_initialization): Add case I387_CW_ROUNDEVEN.
* config/i386/i386.h (ix86_stack_slot): Add SLOT_CW_ROUNDEVEN.
(ix86_entry): Add I387_ROUNDEVEN.
(avx_u128_state): Add I387_CW_ANY.
* config/i386/i386.md: Define UNSPEC_FRNDINT_ROUNDEVEN.
(define_int_iterator): Likewise.
(define_int_attr): Likewise for rounding_insn, rounding and ROUNDING.
(define_constant): Define ROUND_ROUNDEVEN mode.
(define_attr): Add roundeven mode for i387_cw.
(<rouding_insn><mode>2): Add condition for ROUND_ROUNDEVEN.
* internal-fn.def (ROUNDEVEN): New builtin function.
* optabs.def (roundeven_optab): New optab.
gcc/testsuite/ChangeLog:
2019-08-26 Tejas Joshi <tejasjoshi9673@gmail.com>
* gcc.target/i386/sse4_1-round-roundeven-1.c: New test.
* gcc.target/i386/sse4_1-round-roundeven-2.c: New test.
Co-Authored-By: Uros Bizjak <ubizjak@gmail.com>
From-SVN: r274928
Diffstat (limited to 'gcc/reg-stack.c')
| -rw-r--r-- | gcc/reg-stack.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/reg-stack.c b/gcc/reg-stack.c index 710f14a..0f0089a 100644 --- a/gcc/reg-stack.c +++ b/gcc/reg-stack.c @@ -1817,6 +1817,7 @@ subst_stack_regs_pat (rtx_insn *insn, stack_ptr regstack, rtx pat) case UNSPEC_FRNDINT: case UNSPEC_F2XM1: + case UNSPEC_FRNDINT_ROUNDEVEN: case UNSPEC_FRNDINT_FLOOR: case UNSPEC_FRNDINT_CEIL: case UNSPEC_FRNDINT_TRUNC: |