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[arm] PR 80389 - if architecture and cpu mismatch, don't print an architecture name as a CPU name

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In this PR we incorrectly print the architecture name in a .cpu
directive in the assembly file when the -mcpu and -march options
conflict (don't target the same base architecture).  In this case the
.arch overrides the .cpu directive and we should emit a .arch option.

PR target/80389
* config/arm/arm.c (arm_configure_build_target): When -mcpu and -arch conflict,
set target->arch_name instead of target->cpu_name.

From-SVN: r246843
This commit is contained in:
Richard Earnshaw 2017-04-11 14:57:41 +00:00 committed by Richard Earnshaw
parent f29876bba0
commit 9b523c934a
2 changed files with 8 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2017-04-11 Richard Earnshaw <rearnsha@arm.com>
PR target/80389
* config/arm/arm.c (arm_configure_build_target): When -mcpu and -arch
conflict, set target->arch_name instead of target->cpu_name.
2017-04-11 Richard Biener <rguenther@suse.de>
PR tree-optimization/80374

4
gcc/config/arm/arm.c
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@ -3098,15 +3098,15 @@ arm_configure_build_target (struct arm_build_target *target,
arm_selected_tune = arm_selected_cpu;
arm_selected_cpu = arm_selected_arch;
target->arch_name = arm_selected_arch->name;
}
else
{
/* Architecture and CPU are essentially the same.
Prefer the CPU setting. */
arm_selected_arch = NULL;
target->core_name = arm_selected_cpu->name;
}
target->core_name = arm_selected_cpu->name;
}
else
{