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| author | Andrew Hsieh <andrewhsieh@google.com> | 2013-06-21 22:11:56 -0700 |
|---|---|---|
| committer | Andrew Hsieh <andrewhsieh@google.com> | 2013-06-21 22:11:56 -0700 |
| commit | d7fefe966940f5735d9becfb8718db793acb0fec (patch) | |
| tree | f11acb3c3b694a10113ea6580301f8ad21f98fe8 /gcc-4.6/gcc/config/arm | |
| parent | 8716d1d7b8498baa4c48fdc04d8ebabf4baa4352 (diff) | |
| download | toolchain_gcc-d7fefe966940f5735d9becfb8718db793acb0fec.tar.gz toolchain_gcc-d7fefe966940f5735d9becfb8718db793acb0fec.tar.bz2 toolchain_gcc-d7fefe966940f5735d9becfb8718db793acb0fec.zip | |
Fix GCC 4.6 ARM broken -Os on boost 1.52.0
See b.andriod.com/42891
Back port r190971
2012-09-05 Bin Cheng <bin.cheng@arm.com>
Backport from 2012-09-04 mainline r190919
PR target/45070
* config/arm/arm.c (thumb1_extra_regs_pushed): Handle return value of
size less than 4 bytes by using macro ARM_NUM_INTS.
(thumb1_unexpanded_epilogue): Use macro ARM_NUM_INTS.
Change-Id: Ib43bc77abae8d487e82802c8c1f1cce87d5a7e5e
Diffstat (limited to 'gcc-4.6/gcc/config/arm')
| -rw-r--r-- | gcc-4.6/gcc/config/arm/arm.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/gcc-4.6/gcc/config/arm/arm.c b/gcc-4.6/gcc/config/arm/arm.c index 2f97e5843..1456b30a6 100644 --- a/gcc-4.6/gcc/config/arm/arm.c +++ b/gcc-4.6/gcc/config/arm/arm.c @@ -20451,7 +20451,7 @@ thumb1_extra_regs_pushed (arm_stack_offsets *offsets, bool for_prologue) unsigned long l_mask = live_regs_mask & (for_prologue ? 0x40ff : 0xff); /* Then count how many other high registers will need to be pushed. */ unsigned long high_regs_pushed = bit_count (live_regs_mask & 0x0f00); - int n_free, reg_base; + int n_free, reg_base, size; if (!for_prologue && frame_pointer_needed) amount = offsets->locals_base - offsets->saved_regs; @@ -20490,7 +20490,8 @@ thumb1_extra_regs_pushed (arm_stack_offsets *offsets, bool for_prologue) n_free = 0; if (!for_prologue) { - reg_base = arm_size_return_regs () / UNITS_PER_WORD; + size = arm_size_return_regs (); + reg_base = ARM_NUM_INTS (size); live_regs_mask >>= reg_base; } @@ -20544,8 +20545,7 @@ thumb_unexpanded_epilogue (void) if (extra_pop > 0) { unsigned long extra_mask = (1 << extra_pop) - 1; - live_regs_mask |= extra_mask << ((size + UNITS_PER_WORD - 1) - / UNITS_PER_WORD); + live_regs_mask |= extra_mask << ARM_NUM_INTS (size); } /* The prolog may have pushed some high registers to use as |