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backport: re PR target/53448 ([avr] ignoring __attribute__((aligned(2)))) 

Backport from 2012-05-23 mainline r187803
	PR target/53448
	* config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
	* config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
	ASM_OUTPUT_ALIGN.

From-SVN: r187804
This commit is contained in:
Georg-Johann Lay 2012-05-23 15:28:05 +00:00 committed by Georg-Johann Lay
parent 4fc14ef79b
commit 37bcae54f5
3 changed files with 14 additions and 5 deletions
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9
gcc/ChangeLog
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@ -1,3 +1,12 @@
2012-05-23 Georg-Johann Lay <avr@gjlay.de>
Backport from 2012-05-23 mainline r187803
PR target/53448
* config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
* config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
ASM_OUTPUT_ALIGN.
2012-05-23 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com>
Backport from 2012-05-03 mainline r187075

8
gcc/config/avr/avr.h
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@ -549,10 +549,10 @@ typedef struct avr_args {
#define ASM_OUTPUT_ADDR_VEC_ELT(STREAM, VALUE) \
avr_output_addr_vec_elt(STREAM, VALUE)
#define ASM_OUTPUT_ALIGN(STREAM, POWER) \
do { \
if ((POWER) > 1) \
fprintf (STREAM, "\t.p2align\t%d\n", POWER); \
#define ASM_OUTPUT_ALIGN(STREAM, POWER) \
do { \
if ((POWER) > 0) \
fprintf (STREAM, "\t.p2align\t%d\n", POWER); \
} while (0)
#define CASE_VECTOR_MODE HImode

2
gcc/config/avr/elf.h
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@ -35,7 +35,7 @@
/* Output alignment 2**1 for jump tables. */
#undef ASM_OUTPUT_BEFORE_CASE_LABEL
#define ASM_OUTPUT_BEFORE_CASE_LABEL(FILE, PREFIX, NUM, TABLE) \
fprintf (FILE, "\t.p2align\t1\n");
ASM_OUTPUT_ALIGN (FILE, 1);
/* Be conservative in crtstuff.c. */
#undef INIT_SECTION_ASM_OP