aboutsummaryrefslogtreecommitdiff
path: root/gcc/config
diff options
context:
space:
mode:
authorDavid Edelsohn <dje.gcc@gmail.com>2013-02-01 14:14:05 +0000
committerDavid Edelsohn <dje@gcc.gnu.org>2013-02-01 09:14:05 -0500
commit14d52b90934e332f57abab4a38b7d6088601b4e4 (patch)
treecc6fa27ab5925ee493d7a2b9764d1cc9ef7c937d /gcc/config
parentbed8d8a6922900f3b92652f5b21ba01b583b2b1d (diff)
downloadgcc-14d52b90934e332f57abab4a38b7d6088601b4e4.zip
gcc-14d52b90934e332f57abab4a38b7d6088601b4e4.tar.gz
gcc-14d52b90934e332f57abab4a38b7d6088601b4e4.tar.bz2
xcoff.h (ASM_OUTPUT_ALIGNED_COMMON): Use floor_log2.
* config/rs6000/xcoff.h (ASM_OUTPUT_ALIGNED_COMMON): Use floor_log2. (ASM_OUTPUT_ALIGNED_LOCAL): New. From-SVN: r195660
Diffstat (limited to 'gcc/config')
-rw-r--r--gcc/config/rs6000/xcoff.h22
1 files changed, 20 insertions, 2 deletions
diff --git a/gcc/config/rs6000/xcoff.h b/gcc/config/rs6000/xcoff.h
index bde208f..512bcb5 100644
--- a/gcc/config/rs6000/xcoff.h
+++ b/gcc/config/rs6000/xcoff.h
@@ -283,7 +283,7 @@
RS6000_OUTPUT_BASENAME ((FILE), (NAME)); \
if ((ALIGN) > 32) \
fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", (SIZE), \
- exact_log2 ((ALIGN) / BITS_PER_UNIT)); \
+ floor_log2 ((ALIGN) / BITS_PER_UNIT)); \
else if ((SIZE) > 4) \
fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",3\n", (SIZE)); \
else \
@@ -292,12 +292,30 @@
/* This says how to output an assembler line
to define a local common symbol.
- Alignment cannot be specified, but we can try to maintain
+ The assembler in AIX 6.1 and later supports an alignment argument.
+ For earlier releases of AIX, we try to maintain
alignment after preceding TOC section if it was aligned
for 64-bit mode. */
#define LOCAL_COMMON_ASM_OP "\t.lcomm "
+#if TARGET_AIX_VERSION >= 61
+#define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \
+ do { fputs (LOCAL_COMMON_ASM_OP, (FILE)); \
+ RS6000_OUTPUT_BASENAME ((FILE), (NAME)); \
+ if ((ALIGN) > 32) \
+ fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%s,%u\n", \
+ (SIZE), xcoff_bss_section_name, \
+ floor_log2 ((ALIGN) / BITS_PER_UNIT)); \
+ else if ((SIZE) > 4) \
+ fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%s,3\n", \
+ (SIZE), xcoff_bss_section_name); \
+ else \
+ fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%s\n", \
+ (SIZE), xcoff_bss_section_name); \
+ } while (0)
+#endif
+
#define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \
do { fputs (LOCAL_COMMON_ASM_OP, (FILE)); \
RS6000_OUTPUT_BASENAME ((FILE), (NAME)); \