From 1704a30a7ed5815f8eae62777015fa99b6ed2e47 Mon Sep 17 00:00:00 2001 From: "julia.koval" Date: Wed, 21 Jun 2017 10:20:55 +0300 Subject: [PATCH] remove code for old rounding --- gcc/config/i386/i386.c | 68 +++++++++----------------------------------------- 1 file changed, 12 insertions(+), 56 deletions(-) diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 9f7290a..ff7968ecc 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -36438,21 +36438,11 @@ ix86_expand_args_builtin (const struct builtin_description *d, } /* Transform pattern of following layout: - (parallel [ - set (A B) - (unspec [C] UNSPEC_EMBEDDED_ROUNDING)]) - ]) + (set A + (unspec [B C] UNSPEC_EMBEDDED_ROUNDING)) + ) into: - (set (A B)) - - Or: - (parallel [ A B - ... - (unspec [C] UNSPEC_EMBEDDED_ROUNDING) - ... - ]) - into: - (parallel [ A B ... ]) */ + (set (A B)) */ static rtx ix86_erase_embedded_rounding (rtx pat) @@ -36460,48 +36450,14 @@ ix86_erase_embedded_rounding (rtx pat) if (GET_CODE (pat) == INSN) pat = PATTERN (pat); - if (GET_CODE (pat) == PARALLEL) - { - if (XVECLEN (pat, 0) == 2) - { - rtx p0 = XVECEXP (pat, 0, 0); - rtx p1 = XVECEXP (pat, 0, 1); - gcc_assert (GET_CODE (p0) == SET - && GET_CODE (p1) == UNSPEC - && XINT (p1, 1) == UNSPEC_EMBEDDED_ROUNDING); - return p0; - } - else - { - rtx *res = XALLOCAVEC (rtx, XVECLEN (pat, 0)); - int i = 0; - int j = 0; - - for (; i < XVECLEN (pat, 0); ++i) - { - rtx elem = XVECEXP (pat, 0, i); - if (GET_CODE (elem) != UNSPEC - || XINT (elem, 1) != UNSPEC_EMBEDDED_ROUNDING) - res[j++] = elem; - } - - /* No more than 1 occurence was removed. */ - gcc_assert (j >= XVECLEN (pat, 0) - 1); - - return gen_rtx_PARALLEL (GET_MODE (pat), gen_rtvec_v (j, res)); - } - } - else - { - gcc_assert (GET_CODE (pat) == SET); - rtx src = SET_SRC (pat); - gcc_assert (XVECLEN (src, 0) == 2); - rtx p0 = XVECEXP (src, 0, 0); - gcc_assert (GET_CODE (src) == UNSPEC - && XINT (src, 1) == UNSPEC_EMBEDDED_ROUNDING); - rtx res = gen_rtx_SET (SET_DEST (pat), p0); - return res; - } + gcc_assert (GET_CODE (pat) == SET); + rtx src = SET_SRC (pat); + gcc_assert (XVECLEN (src, 0) == 2); + rtx p0 = XVECEXP (src, 0, 0); + gcc_assert (GET_CODE (src) == UNSPEC + && XINT (src, 1) == UNSPEC_EMBEDDED_ROUNDING); + rtx res = gen_rtx_SET (SET_DEST (pat), p0); + return res; } /* Subroutine of ix86_expand_round_builtin to take care of comi insns -- 2.5.5