i386-features.c (general_scalar_chain::convert_insn): Revert 2019-08-14 change.
* config/i386/i386-features.c (general_scalar_chain::convert_insn) <case COMPARE>: Revert 2019-08-14 change. (convertible_comparison_p): Revert 2019-08-14 change. Return false for (TARGET_64BIT || mode != DImode). From-SVN: r274526
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@ -1,3 +1,10 @@
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2019-08-15 Uroš Bizjak <ubizjak@gmail.com>
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* config/i386/i386-features.c (general_scalar_chain::convert_insn)
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<case COMPARE>: Revert 2019-08-14 change.
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(convertible_comparison_p): Revert 2019-08-14 change. Return false
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for (TARGET_64BIT || mode != DImode).
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2019-08-15 Aldy Hernandez <aldyh@redhat.com>
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* tree-vrp.c (value_range_base::set): Merge in code from
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@ -272,7 +279,7 @@
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* config/i386/i386-expand.c (ix86_expand_vector_init_one_nonzero)
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<case E_V8QImode>: Use vector_set path for
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TARGET_MMX_WITH_SSE && TARGET_SSE4_1.
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(ix86_expand_vector_init_one_nonzero) <case E_V8QImode>:
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(ix86_expand_vector_init_one_var) <case E_V8QImode>:
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Do not widen for TARGET_MMX_WITH_SSE && TARGET_SSE4_1.
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2019-08-14 Bernd Edlinger <bernd.edlinger@hotmail.de>
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@ -1030,11 +1030,11 @@ general_scalar_chain::convert_insn (rtx_insn *insn)
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case COMPARE:
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src = SUBREG_REG (XEXP (XEXP (src, 0), 0));
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gcc_assert ((REG_P (src) && GET_MODE (src) == GET_MODE_INNER (vmode))
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|| (SUBREG_P (src) && GET_MODE (src) == vmode));
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gcc_assert ((REG_P (src) && GET_MODE (src) == DImode)
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|| (SUBREG_P (src) && GET_MODE (src) == V2DImode));
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if (REG_P (src))
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subreg = gen_rtx_SUBREG (vmode, src, 0);
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subreg = gen_rtx_SUBREG (V2DImode, src, 0);
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else
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subreg = copy_rtx_if_shared (src);
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emit_insn_before (gen_vec_interleave_lowv2di (copy_rtx_if_shared (subreg),
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@ -1273,8 +1273,12 @@ has_non_address_hard_reg (rtx_insn *insn)
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(const_int 0 [0]))) */
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static bool
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convertible_comparison_p (rtx_insn *insn, enum machine_mode mode)
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convertible_comparison_p (rtx_insn *insn, machine_mode mode)
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{
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/* ??? Currently convertible for double-word DImode chain only. */
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if (TARGET_64BIT || mode != DImode)
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return false;
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if (!TARGET_SSE4_1)
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return false;
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@ -1306,12 +1310,12 @@ convertible_comparison_p (rtx_insn *insn, enum machine_mode mode)
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if (!SUBREG_P (op1)
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|| !SUBREG_P (op2)
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|| GET_MODE (op1) != mode
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|| GET_MODE (op2) != mode
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|| GET_MODE (op1) != SImode
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|| GET_MODE (op2) != SImode
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|| ((SUBREG_BYTE (op1) != 0
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|| SUBREG_BYTE (op2) != GET_MODE_SIZE (mode))
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|| SUBREG_BYTE (op2) != GET_MODE_SIZE (SImode))
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&& (SUBREG_BYTE (op2) != 0
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|| SUBREG_BYTE (op1) != GET_MODE_SIZE (mode))))
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|| SUBREG_BYTE (op1) != GET_MODE_SIZE (SImode))))
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return false;
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op1 = SUBREG_REG (op1);
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@ -1319,13 +1323,13 @@ convertible_comparison_p (rtx_insn *insn, enum machine_mode mode)
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if (op1 != op2
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|| !REG_P (op1)
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|| GET_MODE (op1) != GET_MODE_WIDER_MODE (mode).else_blk ())
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|| GET_MODE (op1) != DImode)
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return false;
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return true;
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}
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/* The DImode version of scalar_to_vector_candidate_p. */
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/* The general version of scalar_to_vector_candidate_p. */
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static bool
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general_scalar_to_vector_candidate_p (rtx_insn *insn, enum machine_mode mode)
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@ -1344,7 +1348,7 @@ general_scalar_to_vector_candidate_p (rtx_insn *insn, enum machine_mode mode)
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if (GET_CODE (src) == COMPARE)
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return convertible_comparison_p (insn, mode);
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/* We are interested in DImode promotion only. */
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/* We are interested in "mode" only. */
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if ((GET_MODE (src) != mode
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&& !CONST_INT_P (src))
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|| GET_MODE (dst) != mode)
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