mirror/gcc
2
0
Fork 0
mirror of git://gcc.gnu.org/git/gcc.git synced 2025-01-09 08:54:31 +08:00
Code Issues Packages Projects Releases Wiki Activity

xtensa.h (MASK_SERIALIZE_VOLATILE, [...]): Delete.

Browse Source 
* config/xtensa/xtensa.h (MASK_SERIALIZE_VOLATILE,
        TARGET_SERIALIZE_VOLATILE): Delete.
        (MASK_CONST16, MASK_ABS, MASK_ADDX): Renumber flag bits.
        (TARGET_DEFAULT): Remove MASK_SERIALIZE_VOLATILE.
        (TARGET_SWITCHES): Remove "-mserialize-volatile" and
        "-mno-serialize-volatile".
        * config/xtensa/xtensa.c (print_operand): Remove checks of
        TARGET_SERIALIZE_VOLATILE.
        * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
        * doc/invoke.texi (Option Summary, Xtensa Options): Remove
        "-mserialize-volatile" and "-mno-serialize-volatile" options.

From-SVN: r67067
This commit is contained in:
Bob Wilson 2003-05-21 21:23:03 +00:00 committed by Bob Wilson
parent 862fced8b5
commit 7a29f483cf
5 changed files with 21 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
gcc/ChangeLog
View File

@ -1,3 +1,17 @@
2003-05-21 Bob Wilson <bob.wilson@acm.org>
* config/xtensa/xtensa.h (MASK_SERIALIZE_VOLATILE,
TARGET_SERIALIZE_VOLATILE): Delete.
(MASK_CONST16, MASK_ABS, MASK_ADDX): Renumber flag bits.
(TARGET_DEFAULT): Remove MASK_SERIALIZE_VOLATILE.
(TARGET_SWITCHES): Remove "-mserialize-volatile" and
"-mno-serialize-volatile".
* config/xtensa/xtensa.c (print_operand): Remove checks of
TARGET_SERIALIZE_VOLATILE.
* config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
* doc/invoke.texi (Option Summary, Xtensa Options): Remove
"-mserialize-volatile" and "-mno-serialize-volatile" options.
2003-05-21 Nathan Sidwell <nathan@codesourcery.com>
* c-parse.in (fndef): Set DECL_SOURCE_LINE and FILE earlier.

2
gcc/config/xtensa/xtensa.c
View File

@ -1938,7 +1938,7 @@ print_operand (file, x, letter)
{
/* For a volatile memory reference, emit a MEMW before the
load or store. */
if (MEM_VOLATILE_P (x) && TARGET_SERIALIZE_VOLATILE)
if (MEM_VOLATILE_P (x))
fprintf (file, "memw\n\t");
}
else

15
gcc/config/xtensa/xtensa.h
View File

@ -60,10 +60,9 @@ extern unsigned xtensa_current_frame_size;
#define MASK_HARD_FLOAT_SQRT 0x00002000 /* floating-point sqrt */
#define MASK_HARD_FLOAT_RSQRT 0x00004000 /* floating-point recip sqrt */
#define MASK_NO_FUSED_MADD 0x00008000 /* avoid f-p mul/add */
#define MASK_SERIALIZE_VOLATILE 0x00010000 /* serialize volatile refs */
#define MASK_CONST16 0x00020000 /* use CONST16 instruction */
#define MASK_ABS 0x00040000 /* use ABS instruction */
#define MASK_ADDX 0x00080000 /* use ADDX* and SUBX* */
#define MASK_CONST16 0x00010000 /* use CONST16 instruction */
#define MASK_ABS 0x00020000 /* use ABS instruction */
#define MASK_ADDX 0x00040000 /* use ADDX* and SUBX* */
/* Macros used in the machine description to test the flags. */
@ -83,7 +82,6 @@ extern unsigned xtensa_current_frame_size;
#define TARGET_HARD_FLOAT_SQRT (target_flags & MASK_HARD_FLOAT_SQRT)
#define TARGET_HARD_FLOAT_RSQRT (target_flags & MASK_HARD_FLOAT_RSQRT)
#define TARGET_NO_FUSED_MADD (target_flags & MASK_NO_FUSED_MADD)
#define TARGET_SERIALIZE_VOLATILE (target_flags & MASK_SERIALIZE_VOLATILE)
#define TARGET_CONST16 (target_flags & MASK_CONST16)
#define TARGET_ABS (target_flags & MASK_ABS)
#define TARGET_ADDX (target_flags & MASK_ADDX)
@ -108,8 +106,7 @@ extern unsigned xtensa_current_frame_size;
(XCHAL_HAVE_FP_DIV ? MASK_HARD_FLOAT_DIV : 0) | \
(XCHAL_HAVE_FP_RECIP ? MASK_HARD_FLOAT_RECIP : 0) | \
(XCHAL_HAVE_FP_SQRT ? MASK_HARD_FLOAT_SQRT : 0) | \
(XCHAL_HAVE_FP_RSQRT ? MASK_HARD_FLOAT_RSQRT : 0) | \
MASK_SERIALIZE_VOLATILE)
(XCHAL_HAVE_FP_RSQRT ? MASK_HARD_FLOAT_RSQRT : 0))
/* Macro to define tables used to set the flags. */
@ -191,10 +188,6 @@ extern unsigned xtensa_current_frame_size;
N_("Disable fused multiply/add and multiply/subtract FP instructions")}, \
{"fused-madd", -MASK_NO_FUSED_MADD, \
N_("Enable fused multiply/add and multiply/subtract FP instructions")}, \
{"serialize-volatile", MASK_SERIALIZE_VOLATILE, \
N_("Serialize volatile memory references with MEMW instructions")}, \
{"no-serialize-volatile", -MASK_SERIALIZE_VOLATILE, \
N_("Do not serialize volatile memory references with MEMW instructions")},\
{"text-section-literals", 0, \
N_("Intersperse literal pools with code in the text section")}, \
{"no-text-section-literals", 0, \

4
gcc/config/xtensa/xtensa.md
View File

@ -1154,7 +1154,7 @@
"TARGET_HARD_FLOAT"
"*
{
if (TARGET_SERIALIZE_VOLATILE && volatile_refs_p (PATTERN (insn)))
if (volatile_refs_p (PATTERN (insn)))
output_asm_insn (\"memw\", operands);
return \"lsiu\\t%0, %1, %2\";
}"
@ -1171,7 +1171,7 @@
"TARGET_HARD_FLOAT"
"*
{
if (TARGET_SERIALIZE_VOLATILE && volatile_refs_p (PATTERN (insn)))
if (volatile_refs_p (PATTERN (insn)))
output_asm_insn (\"memw\", operands);
return \"ssiu\\t%2, %0, %1\";
}"

10
gcc/doc/invoke.texi
View File

@ -646,7 +646,6 @@ in the following sections.
-mbooleans -mno-booleans @gol
-mhard-float -msoft-float @gol
-mfused-madd -mno-fused-madd @gol
-mserialize-volatile -mno-serialize-volatile @gol
-mtext-section-literals -mno-text-section-literals @gol
-mtarget-align -mno-target-align @gol
-mlongcalls -mno-longcalls}
@ -10775,15 +10774,6 @@ add/subtract instructions also ensures that the program output is not
sensitive to the compiler's ability to combine multiply and add/subtract
operations.
@item -mserialize-volatile
@itemx -mno-serialize-volatile
@opindex mserialize-volatile
@opindex mno-serialize-volatile
When this option is enabled, GCC inserts @code{MEMW} instructions before
@code{volatile} memory references to guarantee sequential consistency.
The default is @option{-mserialize-volatile}. Use
@option{-mno-serialize-volatile} to omit the @code{MEMW} instructions.
@item -mtext-section-literals
@itemx -mno-text-section-literals
@opindex mtext-section-literals