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delete superfluous assembly libc floor implementations
This commit is contained in:
David Senoner
parent
3124f700c7
commit
b78751051f
7 changed files with 1 additions and 136 deletions
51
lib/libc/mingw/math/x86/floorf.S
vendored
51
lib/libc/mingw/math/x86/floorf.S
vendored
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@ -1,51 +0,0 @@
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/**
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* This file has no copyright assigned and is placed in the Public Domain.
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* This file is part of the mingw-w64 runtime package.
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* No warranty is given; refer to the file DISCLAIMER.PD within this package.
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*/
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#include <_mingw_mac.h>
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.file "floorf.S"
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.text
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.p2align 4,,15
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.globl __MINGW_USYMBOL(floorf)
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.def __MINGW_USYMBOL(floorf); .scl 2; .type 32; .endef
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#ifdef __x86_64__
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.seh_proc __MINGW_USYMBOL(floorf)
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#endif
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__MINGW_USYMBOL(floorf):
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#if defined(_AMD64_) || defined(__x86_64__)
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subq $40, %rsp
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.seh_stackalloc 40
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.seh_endprologue
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unpcklps %xmm0, %xmm0
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cvtps2pd %xmm0, %xmm0
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call floor
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unpcklpd %xmm0, %xmm0
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cvtpd2ps %xmm0, %xmm0
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addq $40, %rsp
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ret
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.seh_endproc
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.def __MINGW_USYMBOL(floor); .scl 2; .type 32; .endef
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#elif defined(_X86_) || defined(__i386__)
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flds 4(%esp)
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subl $8,%esp
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fstcw 4(%esp) /* store fpu control word */
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/* We use here %edx although only the low 1 bits are defined.
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But none of the operations should care and they are faster
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than the 16 bit operations. */
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movl $0x400,%edx /* round towards -oo */
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orl 4(%esp),%edx
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andl $0xf7ff,%edx
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movl %edx,(%esp)
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fldcw (%esp) /* load modified control word */
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frndint /* round */
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fldcw 4(%esp) /* restore original control word */
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addl $8,%esp
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ret
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#endif
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63
lib/libc/mingw/math/x86/floorl.S
vendored
63
lib/libc/mingw/math/x86/floorl.S
vendored
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@ -1,63 +0,0 @@
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/**
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* This file has no copyright assigned and is placed in the Public Domain.
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* This file is part of the mingw-w64 runtime package.
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* No warranty is given; refer to the file DISCLAIMER.PD within this package.
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*/
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#include <_mingw_mac.h>
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.file "floorl.S"
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.text
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#ifdef __x86_64__
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.align 8
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#else
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.align 4
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#endif
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.globl __MINGW_USYMBOL(floorl)
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.def __MINGW_USYMBOL(floorl); .scl 2; .type 32; .endef
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__MINGW_USYMBOL(floorl):
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#if defined(_AMD64_) || defined(__x86_64__)
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fldt (%rdx)
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subq $24,%rsp
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fstcw 8(%rsp) /* store fpu control word */
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/* We use here %edx although only the low 1 bits are defined.
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But none of the operations should care and they are faster
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than the 16 bit operations. */
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movl $0x400,%edx /* round towards -oo */
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orl 8(%rsp),%edx
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andl $0xf7ff,%edx
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movl %edx,(%rsp)
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fldcw (%rsp) /* load modified control word */
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frndint /* round */
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fldcw 8(%rsp) /* restore original control word */
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addq $24,%rsp
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movq %rcx,%rax
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movq $0,8(%rcx)
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fstpt (%rcx)
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ret
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#elif defined(_X86_) || defined(__i386__)
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fldt 4(%esp)
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subl $8,%esp
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fstcw 4(%esp) /* store fpu control word */
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/* We use here %edx although only the low 1 bits are defined.
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But none of the operations should care and they are faster
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than the 16 bit operations. */
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movl $0x400,%edx /* round towards -oo */
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orl 4(%esp),%edx
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andl $0xf7ff,%edx
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movl %edx,(%esp)
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fldcw (%esp) /* load modified control word */
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frndint /* round */
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fldcw 4(%esp) /* restore original control word */
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addl $8,%esp
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ret
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#endif
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17
lib/libc/musl/src/math/i386/floor.s
vendored
17
lib/libc/musl/src/math/i386/floor.s
vendored
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@ -1,20 +1,5 @@
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.global floorf
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.type floorf,@function
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floorf:
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flds 4(%esp)
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jmp 1f
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/* zig patch: removed `floorl` and `floorf` in favor of using zig compiler_rt's implementations */
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.global floorl
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.type floorl,@function
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floorl:
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fldt 4(%esp)
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jmp 1f
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.global floor
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.type floor,@function
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floor:
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fldl 4(%esp)
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1: mov $0x7,%al
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1: fstcw 4(%esp)
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mov 5(%esp),%ah
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mov %al,5(%esp)
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1
lib/libc/musl/src/math/i386/floorf.s
vendored
1
lib/libc/musl/src/math/i386/floorf.s
vendored
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@ -1 +0,0 @@
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# see floor.s
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1
lib/libc/musl/src/math/i386/floorl.s
vendored
1
lib/libc/musl/src/math/i386/floorl.s
vendored
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@ -1 +0,0 @@
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# see floor.s
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@ -931,7 +931,6 @@ const mingw32_x86_src = [_][]const u8{
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"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "exp2l.S",
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"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "expl.c",
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"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "expm1l.c",
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"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "floorl.S",
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"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "fmodl.c",
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"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "fucom.c",
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"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "ilogbl.S",
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@ -975,7 +974,6 @@ const mingw32_x86_32_src = [_][]const u8{
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"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "atan2f.c",
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"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "atanf.c",
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"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "ceilf.S",
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"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "floorf.S",
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"math" ++ path.sep_str ++ "x86" ++ path.sep_str ++ "fmodf.c",
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};
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@ -953,8 +953,6 @@ const src_files = [_][]const u8{
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"musl/src/math/i386/exp_ld.s",
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"musl/src/math/i386/expl.s",
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"musl/src/math/i386/expm1l.s",
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"musl/src/math/i386/floorf.s",
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"musl/src/math/i386/floorl.s",
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"musl/src/math/i386/floor.s",
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"musl/src/math/i386/fmod.c",
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"musl/src/math/i386/fmodf.c",
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