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dwarf2out.c (DWARF_LINE_MIN_INSTR_LENGTH): Removed.

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* dwarf2out.c (DWARF_LINE_MIN_INSTR_LENGTH): Removed.
	(output_line_info): Use constant `1', with a long explanatory
	comment.
	* system.h (DWARF_LINE_MIN_INSTR_LENGTH): Poison.

From-SVN: r49944
This commit is contained in:
Tom Tromey 2002-02-21 23:03:14 +00:00 committed by Tom Tromey
parent 31fbaad438
commit c1a046e50e
3 changed files with 18 additions and 12 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2002-02-21 Tom Tromey <tromey@redhat.com>
* dwarf2out.c (DWARF_LINE_MIN_INSTR_LENGTH): Removed.
(output_line_info): Use constant `1', with a long explanatory
comment.
* system.h (DWARF_LINE_MIN_INSTR_LENGTH): Poison.
Thu Feb 21 22:43:44 2002 J"orn Rennecke <joern.rennecke@superh.com>
* jump.c (redirect_jump): If old label has no UID, don't try to

21
gcc/dwarf2out.c
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@ -3265,16 +3265,6 @@ extern int flag_traditional;
#endif
#endif
/* Define the architecture-dependent minimum instruction length (in bytes).
In this implementation of DWARF, this field is used for information
purposes only. Since GCC generates assembly language, we have
no a priori knowledge of how many instruction bytes are generated
for each source line, and therefore can use only the DW_LNE_set_address
and DW_LNS_fixed_advance_pc line information commands.
Accordingly, we define this as `1', which is "correct enough" for
all architectures, and don't let the target override. */
#define DWARF_LINE_MIN_INSTR_LENGTH 1
/* Minimum line offset in a special line info. opcode.
This value was chosen to give a reasonable range of values. */
#define DWARF_LINE_BASE -10
@ -7031,8 +7021,17 @@ output_line_info ()
dw2_asm_output_delta (DWARF_OFFSET_SIZE, p2, p1, "Prolog Length");
ASM_OUTPUT_LABEL (asm_out_file, p1);
dw2_asm_output_data (1, DWARF_LINE_MIN_INSTR_LENGTH,
/* Define the architecture-dependent minimum instruction length (in
bytes). In this implementation of DWARF, this field is used for
information purposes only. Since GCC generates assembly language,
we have no a priori knowledge of how many instruction bytes are
generated for each source line, and therefore can use only the
DW_LNE_set_address and DW_LNS_fixed_advance_pc line information
commands. Accordingly, we fix this as `1', which is "correct
enough" for all architectures, and don't let the target override. */
dw2_asm_output_data (1, 1,
"Minimum Instruction Length");
dw2_asm_output_data (1, DWARF_LINE_DEFAULT_IS_STMT_START,
"Default is_stmt_start flag");
dw2_asm_output_data (1, DWARF_LINE_BASE,

2
gcc/system.h
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@ -605,7 +605,7 @@ typedef char _Bool;
OMIT_EH_TABLE EASY_DIV_EXPR IMPLICIT_FIX_EXPR \
LONGJMP_RESTORE_FROM_STACK MAX_INT_TYPE_SIZE ASM_IDENTIFY_GCC \
STDC_VALUE TRAMPOLINE_ALIGN ASM_IDENTIFY_GCC_AFTER_SOURCE \
SLOW_ZERO_EXTEND SUBREG_REGNO_OFFSET
SLOW_ZERO_EXTEND SUBREG_REGNO_OFFSET DWARF_LINE_MIN_INSTR_LENGTH
#endif /* IN_GCC */