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[AArch64] Define TARGET_FLAGS_REGNUM

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Ramana noted:

This defines TARGET_FLAGS_REGNUM for AArch64 to be CC_REGNUM. Noticed
this turns on the cmpelim pass after reload and in a few examples and
a couple of benchmarks I noticed a number of comparisons getting
deleted.

From-SVN: r209643
This commit is contained in:
Ramana Radhakrishnan 2014-04-22 16:08:33 +00:00 • committed by Marcus Shawcroft
parent bcd48995ef
commit 5cb74e90b3
2 changed files with 7 additions and 0 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
2014-04-22 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
* config/aarch64/aarch64.c (TARGET_FLAGS_REGNUM): Define.
2014-04-22 Alex Velenko <Alex.Velenko@arm.com>
* config/aarch64/aarch64-builtins.c (TYPES_REINTERP): Removed.

3
gcc/config/aarch64/aarch64.c
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@ -8512,6 +8512,9 @@ aarch64_cannot_change_mode_class (enum machine_mode from,
#undef TARGET_FIXED_CONDITION_CODE_REGS
#define TARGET_FIXED_CONDITION_CODE_REGS aarch64_fixed_condition_code_regs
#undef TARGET_FLAGS_REGNUM
#define TARGET_FLAGS_REGNUM CC_REGNUM
struct gcc_target targetm = TARGET_INITIALIZER;
#include "gt-aarch64.h"