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Fix for br967 - allow real value for repeat statement loop length.

This commit is contained in:
Martin Whitaker 2014-12-13 19:48:01 +00:00
parent 7d042accfd
commit 82ef3780ec
1 changed files with 23 additions and 2 deletions
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25
tgt-vvp/vvp_process.c
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@ -1,5 +1,5 @@
/* /*
* Copyright (c) 2001-2011 Stephen Williams (steve@icarus.com) * Copyright (c) 2001-2014 Stephen Williams (steve@icarus.com)
* *
* This source code is free software; you can redistribute it * This source code is free software; you can redistribute it
* and/or modify it in source code form under the terms of the GNU * and/or modify it in source code form under the terms of the GNU
@ -1683,7 +1683,28 @@ static int show_stmt_repeat(ivl_statement_t net, ivl_scope_t sscope)
int rc = 0; int rc = 0;
unsigned lab_top = local_count++, lab_out = local_count++; unsigned lab_top = local_count++, lab_out = local_count++;
ivl_expr_t expr = ivl_stmt_cond_expr(net); ivl_expr_t expr = ivl_stmt_cond_expr(net);
struct vector_info cnt = draw_eval_expr(expr, 0); struct vector_info cnt;
if (ivl_expr_value(expr) == IVL_VT_REAL) {
int word = draw_eval_real(expr);
// 64 bit should be enough for any real use case.
cnt.base = allocate_vector(64);
cnt.wid = 64;
if (cnt.base == 0) {
fprintf(stderr, "%s:%u: vvp.tgt error: "
"Unable to allocate %u thread bits for "
"repeat expression.\n", ivl_expr_file(expr),
ivl_expr_lineno(expr), cnt.wid);
vvp_errors += 1;
}
fprintf(vvp_out, " %%cvt/vr %u, %d, %u;\n",
cnt.base, word, cnt.wid);
clr_word(word);
} else {
cnt = draw_eval_expr(expr, 0);
}
const char *sign = ivl_expr_signed(expr) ? "s" : "u"; const char *sign = ivl_expr_signed(expr) ? "s" : "u";
/* Test that 0 < expr */ /* Test that 0 < expr */