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PR 12610

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* config/tc-alpha.c (s_alpha_align): Don't auto-align a previous
label; zap alpha_insn_label.
This commit is contained in:
Richard Henderson 2011-03-29 18:16:16 +00:00
parent 66ee273116
commit af3ecb4a35
6 changed files with 51 additions and 1 deletions
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6
gas/ChangeLog
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@ -1,3 +1,9 @@
2011-03-29 Richard Henderson <rth@redhat.com>
PR 12610
* config/tc-alpha.c (s_alpha_align): Don't auto-align a previous
label; zap alpha_insn_label.
2011-03-29 H.J. Lu <hongjiu.lu@intel.com>
* config/tc-i386.c (handle_quad): Properly handle multiple

3
gas/config/tc-alpha.c
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@ -5081,12 +5081,13 @@ s_alpha_align (int ignore ATTRIBUTE_UNUSED)
if (align != 0)
{
alpha_auto_align_on = 1;
alpha_align (align, pfill, alpha_insn_label, 1);
alpha_align (align, pfill, NULL, 1);
}
else
{
alpha_auto_align_on = 0;
}
alpha_insn_label = NULL;
demand_empty_rest_of_line ();
}

17
gas/config/tc-avr.c
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@ -24,6 +24,8 @@
#include "as.h"
#include "safe-ctype.h"
#include "subsegs.h"
#include "dw2gencfi.h"
struct avr_opcodes_s
{
@ -1543,3 +1545,18 @@ avr_cons_fix_new (fragS *frag,
exp_mod_pm = 0;
}
}
void
tc_cfi_frame_initial_instructions (void)
{
/* AVR6 pushes 3 bytes for calls. */
int return_size = (avr_mcu->mach == bfd_mach_avr6 ? 3 : 2);
/* The CFA is the caller's stack location before the call insn. */
/* Note that the stack pointer is dwarf register number 32. */
cfi_add_CFA_def_cfa (32, return_size);
/* Note that AVR consistently uses post-decrement, which means that things
do not line up the same way as for targers that use pre-decrement. */
cfi_add_CFA_offset (DWARF2_DEFAULT_RETURN_COLUMN, 1-return_size);
}

13
gas/config/tc-avr.h
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@ -153,3 +153,16 @@ extern long md_pcrel_from_section (struct fix *, segT);
/* 32 bits pseudo-addresses are used on AVR. */
#define DWARF2_ADDR_SIZE(bfd) 4
/* Enable cfi directives. */
#define TARGET_USE_CFIPOP 1
/* The stack grows down, and is only byte aligned. */
#define DWARF2_CIE_DATA_ALIGNMENT -1
/* Define the column that represents the PC. */
#define DWARF2_DEFAULT_RETURN_COLUMN 36
/* Define a hook to setup initial CFI state. */
extern void tc_cfi_frame_initial_instructions (void);
#define tc_cfi_frame_initial_instructions tc_cfi_frame_initial_instructions

6
gas/testsuite/gas/alpha/auto-align-1.d Normal file
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@ -0,0 +1,6 @@
#objdump: -s -j .data
#name: alpha auto-align-1
.*: file format *
Contents of section .data:
0000 04000000 .*

7
gas/testsuite/gas/alpha/auto-align-1.s Normal file
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@ -0,0 +1,7 @@
.text
.align 4
$B: unop
$E: .align 4
fnop
.data
.long $E - $B