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| author | H. Peter Anvin <hpa@zytor.com> | 2007-09-18 16:39:03 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2007-09-18 16:39:03 -0700 |
| commit | 141d7cf68d60f6c77c078fea7ff85526db668c6f (patch) | |
| tree | e5605799603d43038a2a4d095471a2e3f3a35a76 /parser.c | |
| parent | 510a2508e6cb1298fa4640d6083e73c1c7ead06e (diff) | |
| download | nasm-141d7cf68d60f6c77c078fea7ff85526db668c6f.tar.gz | |
Support 16-bit IEEE floating point; used in SSE5
SSE5 supports standard IEEE 16-bit floating point, so we should
support that too.
Diffstat (limited to 'parser.c')
| -rw-r--r-- | parser.c | 24 |
1 files changed, 15 insertions, 9 deletions
@@ -230,30 +230,36 @@ insn *parse_line(int pass, char *buffer, insn * result, if (i == TOKEN_FLOAT) { eop->type = EOT_DB_STRING; result->eops_float = TRUE; - if (result->opcode == I_DD) + switch (result->opcode) { + case I_DW: + eop->stringlen = 2; + break; + case I_DD: eop->stringlen = 4; - else if (result->opcode == I_DQ) + break; + case I_DQ: eop->stringlen = 8; - else if (result->opcode == I_DT) + break; + case I_DT: eop->stringlen = 10; - else if (result->opcode == I_DO) - eop->stringlen = 16; - else { + break; + default: error(ERR_NONFATAL, "floating-point constant" - " encountered in `D%c' instruction", - result->opcode == I_DW ? 'W' : 'B'); + " encountered in `d%c' instruction" + ? (result->opcode == I_DO) ? 'o' : 'b'); /* * fix suggested by Pedro Gimeno... original line * was: * eop->type = EOT_NOTHING; */ eop->stringlen = 0; + break; } eop = nasm_realloc(eop, sizeof(extop) + eop->stringlen); tail = &eop->next; *fixptr = eop; eop->stringval = (char *)eop + sizeof(extop); - if (eop->stringlen < 4 || + if (!eop->stringlen || !float_const(tokval.t_charptr, sign, (uint8_t *)eop->stringval, eop->stringlen, error)) |