combine.c (simplify_comparison): Add canonical FALLTHROUGH comments.
* combine.c (simplify_comparison): Add canonical FALLTHROUGH comments. * config/i386/i386.c (ix86_dep_by_shift_count_body): Add FALLTHROUGH comments. Remove break after return. (ix86_fp_compare_code_to_integer, has_dispatch, ix86_simd_clone_usable): Remove break after return. From-SVN: r240523
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@ -1,3 +1,11 @@
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2016-09-27 Jakub Jelinek <jakub@redhat.com>
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* combine.c (simplify_comparison): Add canonical FALLTHROUGH comments.
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* config/i386/i386.c (ix86_dep_by_shift_count_body): Add FALLTHROUGH
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comments. Remove break after return.
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(ix86_fp_compare_code_to_integer, has_dispatch,
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ix86_simd_clone_usable): Remove break after return.
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2016-09-27 Bernd Edlinger <bernd.edlinger@hotmail.de>
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PR rlt-optimization/77714
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@ -11923,11 +11923,11 @@ simplify_comparison (enum rtx_code code, rtx *pop0, rtx *pop1)
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we can treat the SUBREG as if it were a ZERO_EXTEND. */
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if (subreg_lowpart_p (op0)
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&& GET_MODE_PRECISION (GET_MODE (SUBREG_REG (op0))) < mode_width)
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/* Fall through */ ;
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;
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else
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break;
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/* ... fall through ... */
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/* FALLTHROUGH */
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case ZERO_EXTEND:
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mode = GET_MODE (XEXP (op0, 0));
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@ -12339,7 +12339,7 @@ simplify_comparison (enum rtx_code code, rtx *pop0, rtx *pop1)
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continue;
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}
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/* ... fall through ... */
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/* FALLTHROUGH */
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case LSHIFTRT:
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/* If we have (compare (xshiftrt FOO N) (const_int C)) and
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the low order N bits of FOO are known to be zero, we can do this
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@ -21238,9 +21238,9 @@ ix86_dep_by_shift_count_body (const_rtx set_body, const_rtx use_body)
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if (ix86_dep_by_shift_count_body (XVECEXP (set_body, 0, i),
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use_body))
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return true;
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/* FALLTHROUGH */
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default:
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return false;
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break;
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}
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/* Retrieve shift count of USE_BODY. */
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@ -21254,9 +21254,9 @@ ix86_dep_by_shift_count_body (const_rtx set_body, const_rtx use_body)
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if (ix86_dep_by_shift_count_body (set_body,
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XVECEXP (use_body, 0, i)))
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return true;
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/* FALLTHROUGH */
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default:
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return false;
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break;
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}
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if (shift_rtx
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@ -22370,19 +22370,14 @@ ix86_fp_compare_code_to_integer (enum rtx_code code)
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case ORDERED:
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case UNORDERED:
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return code;
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break;
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case UNEQ:
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return EQ;
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break;
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case UNLT:
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return LTU;
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break;
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case UNLE:
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return LEU;
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break;
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case LTGT:
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return NE;
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break;
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default:
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return UNKNOWN;
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}
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@ -49501,7 +49496,6 @@ has_dispatch (rtx_insn *insn, int action)
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case IS_DISPATCH_ON:
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return true;
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break;
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case IS_CMP:
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return is_cmp (insn);
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@ -49959,7 +49953,6 @@ ix86_simd_clone_usable (struct cgraph_node *node)
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if (!TARGET_AVX)
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return -1;
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return TARGET_AVX2 ? 1 : 0;
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break;
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case 'd':
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if (!TARGET_AVX2)
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return -1;
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