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Fix PR68497 (ICE with -fno-checking)

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gcc/

	PR target/68497
	* config/i386/i386.c (output_387_binary_op): Fix assertion for
	-fno-checking case.

gcc/testsuite/

	PR target/68497
	* gcc.target/i386/pr68497.c: New test.

From-SVN: r230803
This commit is contained in:
Mikhail Maltsev 2015-11-24 12:18:21 +00:00 committed by Mikhail Maltsev
parent 5205ae6e27
commit db92ed3685
4 changed files with 33 additions and 12 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2015-11-24 Mikhail Maltsev <maltsevm@gmail.com>
PR target/68497
* config/i386/i386.c (output_387_binary_op): Fix assertion for
-fno-checking case.
2015-11-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
* tree-ssa-uncprop.c (struct val_ssa_equiv_hash_traits): Remove.

26
gcc/config/i386/i386.c
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@ -17675,18 +17675,20 @@ output_387_binary_op (rtx insn, rtx *operands)
/* Even if we do not want to check the inputs, this documents input
constraints. Which helps in understanding the following code. */
if (flag_checking
&& STACK_REG_P (operands[0])
&& ((REG_P (operands[1])
&& REGNO (operands[0]) == REGNO (operands[1])
&& (STACK_REG_P (operands[2]) || MEM_P (operands[2])))
|| (REG_P (operands[2])
&& REGNO (operands[0]) == REGNO (operands[2])
&& (STACK_REG_P (operands[1]) || MEM_P (operands[1]))))
&& (STACK_TOP_P (operands[1]) || STACK_TOP_P (operands[2])))
; /* ok */
else
gcc_checking_assert (is_sse);
if (flag_checking)
{
if (STACK_REG_P (operands[0])
&& ((REG_P (operands[1])
&& REGNO (operands[0]) == REGNO (operands[1])
&& (STACK_REG_P (operands[2]) || MEM_P (operands[2])))
|| (REG_P (operands[2])
&& REGNO (operands[0]) == REGNO (operands[2])
&& (STACK_REG_P (operands[1]) || MEM_P (operands[1]))))
&& (STACK_TOP_P (operands[1]) || STACK_TOP_P (operands[2])))
; /* ok */
else
gcc_assert (is_sse);
}
switch (GET_CODE (operands[3]))
{

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2015-11-24 Mikhail Maltsev <maltsevm@gmail.com>
PR target/68497
* gcc.target/i386/pr68497.c: New test.
2015-11-24 Bilyan Borisov <bilyan.borisov@arm.com>
* gcc.target/aarch64/advsimd-intrinsics/vmulx_lane_f32_indices_1.c:

8
gcc/testsuite/gcc.target/i386/pr68497.c Normal file
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@ -0,0 +1,8 @@
/* { dg-do compile } */
/* { dg-options "-fno-checking" } */
long double
foo (long double x, long double y)
{
return x + y;
}