JehanneOS/newlib
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

2007-03-13 H.J. Lu <hongjiu.lu@intel.com>

Browse Source 
* i386.h (FloatDR): Removed.
	(i386_optab): Use FloatD and FloatD|FloatR instead of FloatDR.
This commit is contained in:
H.J. Lu 2007-03-14 03:26:06 +00:00
parent bfb968cefd
commit d7e13a06c2
2 changed files with 19 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
include/opcode/ChangeLog
View File

@ -1,3 +1,8 @@
2007-03-13 H.J. Lu <hongjiu.lu@intel.com>
* i386.h (FloatDR): Removed.
(i386_optab): Use FloatD and FloatD|FloatR instead of FloatDR.
2007-03-01 Alan Modra <amodra@bigpond.net.au> 2007-03-01 Alan Modra <amodra@bigpond.net.au>
* spu-insns.h: Add soma double-float insns. * spu-insns.h: Add soma double-float insns.

26
include/opcode/i386.h
View File

@ -31,7 +31,7 @@
This happens with all the non-commutative arithmetic floating point This happens with all the non-commutative arithmetic floating point
operations with two register operands, where the source register is operations with two register operands, where the source register is
%st, and destination register is %st(i). See FloatDR below. %st, and destination register is %st(i).
The affected opcode map is dceX, dcfX, deeX, defX. */ The affected opcode map is dceX, dcfX, deeX, defX. */
@ -72,14 +72,6 @@ static const template i386_optab[] =
#define q_FP (q_Suf|NoRex64) #define q_FP (q_Suf|NoRex64)
#define x_FP (x_Suf|FloatMF) #define x_FP (x_Suf|FloatMF)
#define sl_FP (sl_Suf|FloatMF) #define sl_FP (sl_Suf|FloatMF)
#if SYSV386_COMPAT
/* Someone forgot that the FloatR bit reverses the operation when not
equal to the FloatD bit. ie. Changing only FloatD results in the
destination being swapped *and* the direction being reversed. */
#define FloatDR FloatD
#else
#define FloatDR (FloatD|FloatR)
#endif
/* Move instructions. */ /* Move instructions. */
#define MOV_AX_DISP32 0xa0 #define MOV_AX_DISP32 0xa0
@ -683,11 +675,13 @@ static const template i386_optab[] =
{"faddp", 2, 0xdec0, X, 0, FP|ShortForm|Ugh, { FloatReg, FloatAcc, 0} }, {"faddp", 2, 0xdec0, X, 0, FP|ShortForm|Ugh, { FloatReg, FloatAcc, 0} },
/* subtract */ /* subtract */
{"fsub", 2, 0xd8e0, X, 0, FP|ShortForm|FloatDR, { FloatReg, FloatAcc, 0} },
{"fsub", 1, 0xd8e0, X, 0, FP|ShortForm, { FloatReg, 0, 0} }, {"fsub", 1, 0xd8e0, X, 0, FP|ShortForm, { FloatReg, 0, 0} },
#if SYSV386_COMPAT #if SYSV386_COMPAT
{"fsub", 2, 0xd8e0, X, 0, FP|ShortForm|FloatD, { FloatReg, FloatAcc, 0} },
/* alias for fsubp */ /* alias for fsubp */
{"fsub", 0, 0xdee1, X, 0, FP|Ugh, { 0, 0, 0} }, {"fsub", 0, 0xdee1, X, 0, FP|Ugh, { 0, 0, 0} },
#else
{"fsub", 2, 0xd8e0, X, 0, FP|ShortForm|FloatD|FloatR, { FloatReg, FloatAcc, 0} },
#endif #endif
{"fsub", 1, 0xd8, 4, 0, sl_FP|Modrm, { LongMem|LLongMem, 0, 0} }, {"fsub", 1, 0xd8, 4, 0, sl_FP|Modrm, { LongMem|LLongMem, 0, 0} },
{"fisub", 1, 0xde, 4, 0, sl_FP|Modrm, { ShortMem|LongMem, 0, 0} }, {"fisub", 1, 0xde, 4, 0, sl_FP|Modrm, { ShortMem|LongMem, 0, 0} },
@ -706,11 +700,13 @@ static const template i386_optab[] =
#endif #endif
/* subtract reverse */ /* subtract reverse */
{"fsubr", 2, 0xd8e8, X, 0, FP|ShortForm|FloatDR, { FloatReg, FloatAcc, 0} },
{"fsubr", 1, 0xd8e8, X, 0, FP|ShortForm, { FloatReg, 0, 0} }, {"fsubr", 1, 0xd8e8, X, 0, FP|ShortForm, { FloatReg, 0, 0} },
#if SYSV386_COMPAT #if SYSV386_COMPAT
{"fsubr", 2, 0xd8e8, X, 0, FP|ShortForm|FloatD, { FloatReg, FloatAcc, 0} },
/* alias for fsubrp */ /* alias for fsubrp */
{"fsubr", 0, 0xdee9, X, 0, FP|Ugh, { 0, 0, 0} }, {"fsubr", 0, 0xdee9, X, 0, FP|Ugh, { 0, 0, 0} },
#else
{"fsubr", 2, 0xd8e8, X, 0, FP|ShortForm|FloatD|FloatR, { FloatReg, FloatAcc, 0} },
#endif #endif
{"fsubr", 1, 0xd8, 5, 0, sl_FP|Modrm, { LongMem|LLongMem, 0, 0} }, {"fsubr", 1, 0xd8, 5, 0, sl_FP|Modrm, { LongMem|LLongMem, 0, 0} },
{"fisubr", 1, 0xde, 5, 0, sl_FP|Modrm, { ShortMem|LongMem, 0, 0} }, {"fisubr", 1, 0xde, 5, 0, sl_FP|Modrm, { ShortMem|LongMem, 0, 0} },
@ -744,11 +740,13 @@ static const template i386_optab[] =
{"fmulp", 2, 0xdec8, X, 0, FP|ShortForm|Ugh, { FloatReg, FloatAcc, 0} }, {"fmulp", 2, 0xdec8, X, 0, FP|ShortForm|Ugh, { FloatReg, FloatAcc, 0} },
/* divide */ /* divide */
{"fdiv", 2, 0xd8f0, X, 0, FP|ShortForm|FloatDR, { FloatReg, FloatAcc, 0} },
{"fdiv", 1, 0xd8f0, X, 0, FP|ShortForm, { FloatReg, 0, 0} }, {"fdiv", 1, 0xd8f0, X, 0, FP|ShortForm, { FloatReg, 0, 0} },
#if SYSV386_COMPAT #if SYSV386_COMPAT
{"fdiv", 2, 0xd8f0, X, 0, FP|ShortForm|FloatD, { FloatReg, FloatAcc, 0} },
/* alias for fdivp */ /* alias for fdivp */
{"fdiv", 0, 0xdef1, X, 0, FP|Ugh, { 0, 0, 0} }, {"fdiv", 0, 0xdef1, X, 0, FP|Ugh, { 0, 0, 0} },
#else
{"fdiv", 2, 0xd8f0, X, 0, FP|ShortForm|FloatD|FloatR, { FloatReg, FloatAcc, 0} },
#endif #endif
{"fdiv", 1, 0xd8, 6, 0, sl_FP|Modrm, { LongMem|LLongMem, 0, 0} }, {"fdiv", 1, 0xd8, 6, 0, sl_FP|Modrm, { LongMem|LLongMem, 0, 0} },
{"fidiv", 1, 0xde, 6, 0, sl_FP|Modrm, { ShortMem|LongMem, 0, 0} }, {"fidiv", 1, 0xde, 6, 0, sl_FP|Modrm, { ShortMem|LongMem, 0, 0} },
@ -767,11 +765,13 @@ static const template i386_optab[] =
#endif #endif
/* divide reverse */ /* divide reverse */
{"fdivr", 2, 0xd8f8, X, 0, FP|ShortForm|FloatDR, { FloatReg, FloatAcc, 0} },
{"fdivr", 1, 0xd8f8, X, 0, FP|ShortForm, { FloatReg, 0, 0} }, {"fdivr", 1, 0xd8f8, X, 0, FP|ShortForm, { FloatReg, 0, 0} },
#if SYSV386_COMPAT #if SYSV386_COMPAT
{"fdivr", 2, 0xd8f8, X, 0, FP|ShortForm|FloatD, { FloatReg, FloatAcc, 0} },
/* alias for fdivrp */ /* alias for fdivrp */
{"fdivr", 0, 0xdef9, X, 0, FP|Ugh, { 0, 0, 0} }, {"fdivr", 0, 0xdef9, X, 0, FP|Ugh, { 0, 0, 0} },
#else
{"fdivr", 2, 0xd8f8, X, 0, FP|ShortForm|FloatD|FloatR, { FloatReg, FloatAcc, 0} },
#endif #endif
{"fdivr", 1, 0xd8, 7, 0, sl_FP|Modrm, { LongMem|LLongMem, 0, 0} }, {"fdivr", 1, 0xd8, 7, 0, sl_FP|Modrm, { LongMem|LLongMem, 0, 0} },
{"fidivr", 1, 0xde, 7, 0, sl_FP|Modrm, { ShortMem|LongMem, 0, 0} }, {"fidivr", 1, 0xde, 7, 0, sl_FP|Modrm, { ShortMem|LongMem, 0, 0} },