🚀 go-pugleaf

	Hi,

	I have a pb with gcc-1.40 (and 1.42 too) on a 386 computer. I have ported
gcc on Coherent 4.0.1 but it seems to generate FPU instructions even with
m80387 flag disabled (#define TARGET_DEFAULT 0 in tm.h file). Here is an example :

foo ()
{
    double x = 1.23, y = 23.4, z;

    z = x / y;
}

==> generates :

	.file	"b1.c"
gcc_compiled.:
.text
	.align 4
.LC0:
	.double 1.2299999999999999000000e+00
	.align 4
.LC1:
	.double 2.3399999999999998000000e+01
	.align 4
.globl foo
foo:
	pushl %ebp
	movl %esp,%ebp
	subl $24,%esp
	pushl %ebx
	movl .LC0,%ecx
	movl .LC0+4,%ebx
	movl %ecx,-8(%ebp)
	movl %ebx,-4(%ebp)
	movl .LC1,%ecx
	movl .LC1+4,%ebx
	movl %ecx,-16(%ebp)
	movl %ebx,-12(%ebp)
	pushl -12(%ebp)
	pushl -16(%ebp)
	pushl -4(%ebp)
	pushl -8(%ebp)
	call __divdf3
	addl $16,%esp
	addl $-8,%esp
	fstpl (%esp)		<====== this is a 80387 instruction !!!
	popl %eax
	popl %edx
	movl %eax,-24(%ebp)
	movl %edx,-20(%ebp)
.L1:
	leal -28(%ebp),%esp
	popl %ebx
	leave
	ret


with -m80387 option, it seems to work correctly :

	.file	"b1.c"
gcc_compiled.:
.text
	.align 4
.LC0:
	.double 1.2299999999999999000000e+00
	.align 4
.LC1:
	.double 2.3399999999999998000000e+01
	.align 4
.globl foo
foo:
	pushl %ebp
	movl %esp,%ebp
	subl $24,%esp
	fldl .LC0
	fstpl -8(%ebp)
	fldl .LC1
	fstpl -16(%ebp)
	fldl -8(%ebp)
	fdivl -16(%ebp)
	fstpl -24(%ebp)
.L1:
	leave
	ret


	Any idea ?

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| Pierre FICHEUX                | tel   : +33 56 68 80 00  ||
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