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i386: Enable UINTR and HRESET for -march that supports it

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gcc/ChangeLog:

	PR target/99463
	* config/i386/i386-options.c (ix86_option_override_internal):
	Enable UINTR and HRESET for -march that supports it.

gcc/testsuite/ChangeLog:

	PR target/99463
	* gcc.target/i386/pr99463-2.c: New test.
	* gcc.target/i386/pr99463.c: New test.
This commit is contained in:
Martin Liska 2021-03-08 12:08:37 +01:00
parent 3cb8aab390
commit e95554dac8
3 changed files with 17 additions and 0 deletions
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7
gcc/config/i386/i386-options.c
View File

@ -2354,6 +2354,13 @@ ix86_option_override_internal (bool main_args_p,
if (((processor_alias_table[i].flags & PTA_PKU) != 0)
&& !(opts->x_ix86_isa_flags_explicit & OPTION_MASK_ISA_PKU))
opts->x_ix86_isa_flags |= OPTION_MASK_ISA_PKU;
if (((processor_alias_table[i].flags & PTA_UINTR) != 0)
&& !(opts->x_ix86_isa_flags2_explicit & OPTION_MASK_ISA2_UINTR))
opts->x_ix86_isa_flags2 |= OPTION_MASK_ISA2_UINTR;
if (((processor_alias_table[i].flags & PTA_HRESET) != 0)
&& !(opts->x_ix86_isa_flags2_explicit & OPTION_MASK_ISA2_HRESET))
opts->x_ix86_isa_flags2 |= OPTION_MASK_ISA2_HRESET;
/* Don't enable x87 instructions if only general registers are
allowed by target("general-regs-only") function attribute or

5
gcc/testsuite/gcc.target/i386/pr99463-2.c Normal file
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@ -0,0 +1,5 @@
/* PR target/99463 */
/* { dg-do compile { target { ! ia32 } } } */
/* { dg-options "-O2 -march=sapphirerapids" } */
#include "uintr-1.c"

5
gcc/testsuite/gcc.target/i386/pr99463.c Normal file
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@ -0,0 +1,5 @@
/* PR target/99463 */
/* { dg-do compile } */
/* { dg-options "-O2 -march=alderlake" } */
#include "hreset-1.c"