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| author | mshawcroft <mshawcroft@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-05-24 11:07:57 +0000 |
|---|---|---|
| committer | mshawcroft <mshawcroft@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-05-24 11:07:57 +0000 |
| commit | 71e16a8fb126f4b81b1b04eb6e7f5bfcff79b910 (patch) | |
| tree | d2f0426293ac9bb76b776e8b899cf5ed99edfaf4 /gcc/regs.h | |
| parent | cc3f82be0388732a3dd68e893bbcc0b87ba8c1a3 (diff) | |
| download | gcc-71e16a8fb126f4b81b1b04eb6e7f5bfcff79b910.tar.gz | |
2012-05-24 Jim MacArthur<jim.macarthur@arm.com>
* recog.c (reg_fits_class_p): Check both regno and regno + offset are
hard registers.
* regs.h (in_hard_reg_set_p): Assert that regno is a hard register and
check end_regno - 1 is a hard register.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@187826 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/regs.h')
| -rw-r--r-- | gcc/regs.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/regs.h b/gcc/regs.h index 328b839ffac..d18bf0aa3c1 100644 --- a/gcc/regs.h +++ b/gcc/regs.h @@ -24,6 +24,7 @@ along with GCC; see the file COPYING3. If not see #include "machmode.h" #include "hard-reg-set.h" +#include "rtl.h" #define REG_BYTES(R) mode_size[(int) GET_MODE (R)] @@ -367,10 +368,16 @@ in_hard_reg_set_p (const HARD_REG_SET regs, enum machine_mode mode, { unsigned int end_regno; + gcc_assert (HARD_REGISTER_NUM_P (regno)); + if (!TEST_HARD_REG_BIT (regs, regno)) return false; end_regno = end_hard_regno (mode, regno); + + if (!HARD_REGISTER_NUM_P (end_regno - 1)) + return false; + while (++regno < end_regno) if (!TEST_HARD_REG_BIT (regs, regno)) return false; |