From f5e48e94a2f4d4bbd6e5628c7f2afafc6dbcc459 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Thu, 7 Mar 2024 17:28:52 -0500
Subject: build: Build mlibc + add distclean target

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 lib/mlibc/options/internal/x86/fenv.S | 168 ----------------------------------
 1 file changed, 168 deletions(-)
 delete mode 100644 lib/mlibc/options/internal/x86/fenv.S

(limited to 'lib/mlibc/options/internal/x86/fenv.S')

diff --git a/lib/mlibc/options/internal/x86/fenv.S b/lib/mlibc/options/internal/x86/fenv.S
deleted file mode 100644
index a46b5fa..0000000
--- a/lib/mlibc/options/internal/x86/fenv.S
+++ /dev/null
@@ -1,168 +0,0 @@
-# The functions below are taken from musl.
-
-.hidden __hwcap
-
-.global feclearexcept
-.type feclearexcept,@function
-feclearexcept:
-	mov 4(%esp),%ecx
-	and $0x3f,%ecx
-	fnstsw %ax
-		# consider sse fenv as well if the cpu has XMM capability
-	call 1f
-1:	addl $__hwcap-1b,(%esp)
-	pop %edx
-	testl $0x02000000,(%edx)
-	jz 2f
-		# maintain exceptions in the sse mxcsr, clear x87 exceptions
-	test %eax,%ecx
-	jz 1f
-	fnclex
-1:	push %edx
-	stmxcsr (%esp)
-	pop %edx
-	and $0x3f,%eax
-	or %eax,%edx
-	test %edx,%ecx
-	jz 1f
-	not %ecx
-	and %ecx,%edx
-	push %edx
-	ldmxcsr (%esp)
-	pop %edx
-1:	xor %eax,%eax
-	ret
-		# only do the expensive x87 fenv load/store when needed
-2:	test %eax,%ecx
-	jz 1b
-	not %ecx
-	and %ecx,%eax
-	test $0x3f,%eax
-	jz 1f
-	fnclex
-	jmp 1b
-1:	sub $32,%esp
-	fnstenv (%esp)
-	mov %al,4(%esp)
-	fldenv (%esp)
-	add $32,%esp
-	xor %eax,%eax
-	ret
-
-.global feraiseexcept
-.type feraiseexcept,@function
-feraiseexcept:
-	mov 4(%esp),%eax
-	and $0x3f,%eax
-	sub $32,%esp
-	fnstenv (%esp)
-	or %al,4(%esp)
-	fldenv (%esp)
-	add $32,%esp
-	xor %eax,%eax
-	ret
-
-.global __fesetround
-.hidden __fesetround
-.type __fesetround,@function
-__fesetround:
-	mov 4(%esp),%ecx
-	push %eax
-	xor %eax,%eax
-	fnstcw (%esp)
-	andb $0xf3,1(%esp)
-	or %ch,1(%esp)
-	fldcw (%esp)
-		# consider sse fenv as well if the cpu has XMM capability
-	call 1f
-1:	addl $__hwcap-1b,(%esp)
-	pop %edx
-	testl $0x02000000,(%edx)
-	jz 1f
-	stmxcsr (%esp)
-	shl $3,%ch
-	andb $0x9f,1(%esp)
-	or %ch,1(%esp)
-	ldmxcsr (%esp)
-1:	pop %ecx
-	ret
-
-.global fegetround
-.type fegetround,@function
-fegetround:
-	push %eax
-	fnstcw (%esp)
-	pop %eax
-	and $0xc00,%eax
-	ret
-
-.global fegetenv
-.type fegetenv,@function
-fegetenv:
-	mov 4(%esp),%ecx
-	xor %eax,%eax
-	fnstenv (%ecx)
-		# consider sse fenv as well if the cpu has XMM capability
-	call 1f
-1:	addl $__hwcap-1b,(%esp)
-	pop %edx
-	testl $0x02000000,(%edx)
-	jz 1f
-	push %eax
-	stmxcsr (%esp)
-	pop %edx
-	and $0x3f,%edx
-	or %edx,4(%ecx)
-1:	ret
-
-.global fesetenv
-.type fesetenv,@function
-fesetenv:
-	mov 4(%esp),%ecx
-	xor %eax,%eax
-	inc %ecx
-	jz 1f
-	fldenv -1(%ecx)
-	movl -1(%ecx),%ecx
-	jmp 2f
-1:	push %eax
-	push %eax
-	push %eax
-	push %eax
-	pushl $0xffff
-	push %eax
-	pushl $0x37f
-	fldenv (%esp)
-	add $28,%esp
-		# consider sse fenv as well if the cpu has XMM capability
-2:	call 1f
-1:	addl $__hwcap-1b,(%esp)
-	pop %edx
-	testl $0x02000000,(%edx)
-	jz 1f
-		# mxcsr := same rounding mode, cleared exceptions, default mask
-	and $0xc00,%ecx
-	shl $3,%ecx
-	or $0x1f80,%ecx
-	mov %ecx,4(%esp)
-	ldmxcsr 4(%esp)
-1:	ret
-
-.global fetestexcept
-.type fetestexcept,@function
-fetestexcept:
-	mov 4(%esp),%ecx
-	and $0x3f,%ecx
-	fnstsw %ax
-		# consider sse fenv as well if the cpu has XMM capability
-	call 1f
-1:	addl $__hwcap-1b,(%esp)
-	pop %edx
-	testl $0x02000000,(%edx)
-	jz 1f
-	stmxcsr 4(%esp)
-	or 4(%esp),%eax
-1:	and %ecx,%eax
-	ret
-
-.section .note.GNU-stack,"",%progbits
-- 
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