Attachment 42662 Details for Bug 82981 – gcc8-pr82981-arm.patch

[patch] gcc8-pr82981-arm.patch

gcc8-pr82981-arm.patch (text/plain), 2.40 KB, created by Jakub Jelinek on 2017-11-20 15:46:25 UTC

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Creator: Jakub Jelinek

Created: 2017-11-20 15:46:25 UTC

Size: 2.40 KB

patch

obsolete

>2017-11-20  Jakub Jelinek  <jakub@redhat.com>
>
>	PR target/82981
>	* internal-fn.c (expand_mul_overflow): Use OPTAB_WIDEN instead of
>	OPTAB_DIRECT in calls to expand_simple_binop.
>
>--- gcc/internal-fn.c.jj	2017-11-15 09:54:30.000000000 +0100
>+++ gcc/internal-fn.c	2017-11-20 16:38:55.185145957 +0100
>@@ -1760,7 +1760,7 @@ expand_mul_overflow (location_t loc, tre
> 	      tem = convert_modes (mode, hmode, lopart, 1);
> 	      tem = expand_shift (LSHIFT_EXPR, mode, tem, hprec, NULL_RTX, 1);
> 	      tem = expand_simple_binop (mode, MINUS, loxhi, tem, NULL_RTX,
>-					 1, OPTAB_DIRECT);
>+					 1, OPTAB_WIDEN);
> 	      emit_move_insn (loxhi, tem);
> 
> 	      emit_label (after_hipart_neg);
>@@ -1774,7 +1774,7 @@ expand_mul_overflow (location_t loc, tre
> 					 profile_probability::even ());
> 
> 	      tem = expand_simple_binop (mode, MINUS, loxhi, larger, NULL_RTX,
>-					 1, OPTAB_DIRECT);
>+					 1, OPTAB_WIDEN);
> 	      emit_move_insn (loxhi, tem);
> 
> 	      emit_label (after_lopart_neg);
>@@ -1783,7 +1783,7 @@ expand_mul_overflow (location_t loc, tre
> 	  /* loxhi += (uns) lo0xlo1 >> (bitsize / 2);  */
> 	  tem = expand_shift (RSHIFT_EXPR, mode, lo0xlo1, hprec, NULL_RTX, 1);
> 	  tem = expand_simple_binop (mode, PLUS, loxhi, tem, NULL_RTX,
>-				     1, OPTAB_DIRECT);
>+				     1, OPTAB_WIDEN);
> 	  emit_move_insn (loxhi, tem);
> 
> 	  /* if (loxhi >> (bitsize / 2)
>@@ -1810,7 +1810,7 @@ expand_mul_overflow (location_t loc, tre
> 			       convert_modes (hmode, mode, lo0xlo1, 1), 1);
> 
> 	  tem = expand_simple_binop (mode, IOR, loxhishifted, tem, res,
>-				     1, OPTAB_DIRECT);
>+				     1, OPTAB_WIDEN);
> 	  if (tem != res)
> 	    emit_move_insn (res, tem);
> 	  emit_jump (done_label);
>@@ -1835,7 +1835,7 @@ expand_mul_overflow (location_t loc, tre
> 	      if (!op0_medium_p)
> 		{
> 		  tem = expand_simple_binop (hmode, PLUS, hipart0, const1_rtx,
>-					     NULL_RTX, 1, OPTAB_DIRECT);
>+					     NULL_RTX, 1, OPTAB_WIDEN);
> 		  do_compare_rtx_and_jump (tem, const1_rtx, GTU, true, hmode,
> 					   NULL_RTX, NULL, do_error,
> 					   profile_probability::very_unlikely ());
>@@ -1844,7 +1844,7 @@ expand_mul_overflow (location_t loc, tre
> 	      if (!op1_medium_p)
> 		{
> 		  tem = expand_simple_binop (hmode, PLUS, hipart1, const1_rtx,
>-					     NULL_RTX, 1, OPTAB_DIRECT);
>+					     NULL_RTX, 1, OPTAB_WIDEN);
> 		  do_compare_rtx_and_jump (tem, const1_rtx, GTU, true, hmode,
> 					   NULL_RTX, NULL, do_error,
> 					   profile_probability::very_unlikely ());

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Attachments on bug 82981: 42600 | 42602 | 42617 | 42662