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2014-03-21 Sabrini Ni <sabrinanitw@gmail.com>

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* nds32/crt0.S: Use pseudo-instruction "bal frame" to replace
        "la + jral".
        * nds32/crt1.S: Ditto.
This commit is contained in:
Jeff Johnston
2014-03-21 20:27:41 +00:00
parent d35d103f08
commit 488d885bf3
3 changed files with 11 additions and 8 deletions
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6
libgloss/ChangeLog
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@@ -1,3 +1,9 @@
2014-03-21 Sabrini Ni <sabrinanitw@gmail.com>
* nds32/crt0.S: Use pseudo-instruction "bal frame" to replace
"la + jral".
* nds32/crt1.S: Ditto.
2014-03-21 Sabrini Ni <sabrinanitw@gmail.com> 2014-03-21 Sabrini Ni <sabrinanitw@gmail.com>
* nds32/crt0.S: Eliminate initialization for $fp. * nds32/crt0.S: Eliminate initialization for $fp.

6
libgloss/nds32/crt0.S
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@@ -94,8 +94,7 @@ _start:
movi $r0, 0 movi $r0, 0
movi $r1, 0 movi $r1, 0
/* Call 'main'. */ /* Call 'main'. */
la $r15, main bal main
jral $r15
.L_terminate_program: .L_terminate_program:
/* There are two ways to terminate program: /* There are two ways to terminate program:
@@ -106,8 +105,7 @@ _start:
Currently, we use option 2 as a solution to follow C99 5.1.2.2.3, Currently, we use option 2 as a solution to follow C99 5.1.2.2.3,
but aware that general exit() will do some cleanup procedures but aware that general exit() will do some cleanup procedures
which may result in large-memory-footprints. */ which may result in large-memory-footprints. */
la $r15, exit bal exit
jral $r15
.L_forever_loop: .L_forever_loop:
/* Should never return here. */ /* Should never return here. */

7
libgloss/nds32/crt1.S
View File

@@ -100,8 +100,7 @@ _start:
movi $r1, 0 movi $r1, 0
movi $r2, 0 movi $r2, 0
/* Call 'main'. */ /* Call 'main'. */
la $r15, main bal main
jral $r15
.L_terminate_program: .L_terminate_program:
/* There are two ways to terminate program: /* There are two ways to terminate program:
@@ -112,8 +111,8 @@ _start:
Currently, we use option 2 as a solution to follow C99 5.1.2.2.3, Currently, we use option 2 as a solution to follow C99 5.1.2.2.3,
but aware that general exit() will do some cleanup procedures but aware that general exit() will do some cleanup procedures
which may result in large-memory-footprints. */ which may result in large-memory-footprints. */
la $r15, exit
jral $r15 bal exit
.L_forever_loop: .L_forever_loop:
/* Should never return here. */ /* Should never return here. */