From 14d52b90934e332f57abab4a38b7d6088601b4e4 Mon Sep 17 00:00:00 2001 From: David Edelsohn Date: Fri, 1 Feb 2013 14:14:05 +0000 Subject: [PATCH] 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 --- gcc/ChangeLog | 5 +++++ gcc/config/rs6000/xcoff.h | 22 ++++++++++++++++++++-- 2 files changed, 25 insertions(+), 2 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 60394c74e49..8c37f919bb2 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2013-02-01 David Edelsohn + + * config/rs6000/xcoff.h (ASM_OUTPUT_ALIGNED_COMMON): Use floor_log2. + (ASM_OUTPUT_ALIGNED_LOCAL): New. + 2013-02-01 Richard Biener PR tree-optimization/56113 diff --git a/gcc/config/rs6000/xcoff.h b/gcc/config/rs6000/xcoff.h index bde208f4c79..512bcb5472e 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)); \ -- 2.30.2