re PR rtl-optimization/71984 (wrong code with -O -mavx512cd)
2016-07-26 Richard Biener <rguenther@suse.de> PR rtl-optimization/71984 * simplify-rtx.c (simplify_subreg): Use GET_MODE_SIZE and prepare for VOIDmode. * gcc.dg/torture/pr71984.c: New testcase. From-SVN: r238757
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@ -1,3 +1,9 @@
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2016-07-26 Richard Biener <rguenther@suse.de>
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PR rtl-optimization/71984
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* simplify-rtx.c (simplify_subreg): Use GET_MODE_SIZE and prepare
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for VOIDmode.
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2016-07-26 Richard Biener <rguenther@suse.de>
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PR middle-end/72517
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@ -6116,7 +6116,10 @@ simplify_subreg (machine_mode outermode, rtx op,
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unsigned int part_size, final_offset;
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rtx part, res;
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part_size = GET_MODE_UNIT_SIZE (GET_MODE (XEXP (op, 0)));
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enum machine_mode part_mode = GET_MODE (XEXP (op, 0));
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if (part_mode == VOIDmode)
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part_mode = GET_MODE_INNER (GET_MODE (op));
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part_size = GET_MODE_SIZE (part_mode);
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if (byte < part_size)
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{
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part = XEXP (op, 0);
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@ -6131,7 +6134,7 @@ simplify_subreg (machine_mode outermode, rtx op,
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if (final_offset + GET_MODE_SIZE (outermode) > part_size)
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return NULL_RTX;
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enum machine_mode part_mode = GET_MODE (part);
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part_mode = GET_MODE (part);
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if (part_mode == VOIDmode)
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part_mode = GET_MODE_INNER (GET_MODE (op));
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res = simplify_subreg (outermode, part, part_mode, final_offset);
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@ -1,3 +1,8 @@
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2016-07-26 Richard Biener <rguenther@suse.de>
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PR rtl-optimization/71984
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* gcc.dg/torture/pr71984.c: New testcase.
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2016-07-26 Robert Suchanek <robert.suchanek@imgtec.com>
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* g++.dg/vect/vect.exp: Add and set new global EFFECTIVE_TARGETS. Call
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@ -0,0 +1,21 @@
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/* { dg-do run { target lp64 } } */
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/* { dg-additional-options "-w -Wno-psabi" } */
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typedef unsigned char v64u8 __attribute__((vector_size(64)));
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typedef unsigned long v64u64 __attribute__((vector_size(64)));
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typedef unsigned char u8;
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static u8 __attribute__ ((noinline, noclone))
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foo (v64u64 v64u64_0)
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{
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return ((v64u8)(v64u64){0, v64u64_0[0]})[13];
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}
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int
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main ()
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{
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u8 x = foo((v64u64){0x0706050403020100UL});
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if (x != 5)
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__builtin_abort ();
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return 0;
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}
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