#
.sect .text; .sect .rom; .sect .data; .sect .bss

.sect .text
.define .c_ud_i
.c_ud_i:
	/* Input: f0
	 * Output: r2
	 * Only at and f30/f31 may be used.
	 */

	ori at, zero, hi16[.fd_80000000]
	ldc1 f30, lo16[.fd_80000000] (at)
	c.le.d 0, f30, f0
	bc1t toobig
	nop

	trunc.w.d f0, f0
	mfc1 r2, f0
	jr ra
	nop

toobig:
	sub.d f0, f0, f30
	trunc.w.d f0, f0
	mfc1 r2, f0
	addiu r2, r2, 0x8000
	jr ra
	nop

.sect .rom
.define .fd_80000000
.fd_80000000:
	.dataf8 2147483648.0