git
/
gcc
mirror of git://gcc.gnu.org/git/gcc.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Re: [PATCH] Fix undefined behaviour in arc port 

Re: [PATCH] Fix undefined behaviour in arc port
        * config/arc/arc.c (arc_legitimize_reload_address): Fix stupid
        thinko in last change.
        * config/arc/constraints.md (C2a): Fix typos in last change.

From-SVN: r228219
This commit is contained in:
Jeff Law 2015-09-28 13:27:29 -06:00
parent d95fc58421
commit 4e671509d9
2 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
gcc/config/arc/arc.c
View File

@ -9322,7 +9322,7 @@ arc_legitimize_reload_address (rtx *p, machine_mode mode, int opnum,
shift = scale >> 1; shift = scale >> 1;
offset_base offset_base
= ((offset + (256 << shift)) = ((offset + (256 << shift))
& ((HOST_WIDE_INT)(-512U << shift))); & ((HOST_WIDE_INT)((unsigned HOST_WIDE_INT) -512 << shift)));
/* Sometimes the normal form does not suit DImode. We /* Sometimes the normal form does not suit DImode. We
could avoid that by using smaller ranges, but that could avoid that by using smaller ranges, but that
would give less optimized code when SImode is would give less optimized code when SImode is

2
gcc/config/arc/constraints.md
View File

@ -195,7 +195,7 @@
"@internal "@internal
Unconditional two-address add / sub constant" Unconditional two-address add / sub constant"
(and (match_code "const_int") (and (match_code "const_int")
(match_test "ival == HOST_WIDE_INT (HOST_WIDE_INT_M1U << 31) (match_test "ival == (HOST_WIDE_INT) (HOST_WIDE_INT_M1U << 31)
|| (ival >= -0x4000 && ival <= 0x4000 || (ival >= -0x4000 && ival <= 0x4000
&& ((ival >= 0 ? ival : -ival) && ((ival >= 0 ? ival : -ival)
<= 0x7ff * (ival & -ival)))"))) <= 0x7ff * (ival & -ival)))")))