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tccasm: Accept .balign

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This commit is contained in:
Michael Matz 2016-06-29 17:22:05 +02:00
parent 8e4da42384
commit 63e3ff7cca
3 changed files with 4 additions and 1 deletions
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3
tccasm.c
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@ -368,6 +368,7 @@ static void asm_parse_directive(TCCState *s1)
sec = cur_text_section;
switch(tok) {
case TOK_ASMDIR_align:
case TOK_ASMDIR_balign:
case TOK_ASMDIR_p2align:
case TOK_ASMDIR_skip:
case TOK_ASMDIR_space:
@ -381,7 +382,7 @@ static void asm_parse_directive(TCCState *s1)
n = 1 << n;
tok1 = TOK_ASMDIR_align;
}
if (tok1 == TOK_ASMDIR_align) {
if (tok1 == TOK_ASMDIR_align || tok1 == TOK_ASMDIR_balign) {
if (n < 0 || (n & (n-1)) != 0)
tcc_error("alignment must be a positive power of two");
offset = (ind + n - 1) & -n;

1
tcctok.h
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@ -305,6 +305,7 @@
DEF_ASMDIR(byte) /* must be first directive */
DEF_ASMDIR(word)
DEF_ASMDIR(align)
DEF_ASMDIR(balign)
DEF_ASMDIR(p2align)
DEF_ASMDIR(skip)
DEF_ASMDIR(space)

1
tests/asmtest.S
View File

@ -11,6 +11,7 @@
.align 8
.byte 1
/* .align 16, 0x90 gas is too clever for us with 0x90 fill */
.balign 4, 0x92
.align 16, 0x91 /* 0x91 tests the non-clever behaviour */
.skip 3
.skip 15, 0x90