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Remove -mfused-madd and add -mfma.

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2011-07-13  H.J. Lu  <hongjiu.lu@intel.com>

	* doc/invoke.texi (x86): Remove -mfused-madd and add -mfma.

From-SVN: r176230
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H.J. Lu 2011-07-13 11:39:40 +00:00 • committed by H.J. Lu
parent 36fc37994d
commit cb77b6cf1f
2 changed files with 10 additions and 11 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
2011-07-13 H.J. Lu <hongjiu.lu@intel.com>
* doc/invoke.texi (x86): Remove -mfused-madd and add -mfma.
2011-07-13 Richard Sandiford <richard.sandiford@linaro.org>
* tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): Tighten

17
gcc/doc/invoke.texi
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@ -600,7 +600,7 @@ Objective-C and Objective-C++ Dialects}.
-mincoming-stack-boundary=@var{num} @gol
-mcld -mcx16 -msahf -mmovbe -mcrc32 -mrecip -mvzeroupper @gol
-mmmx -msse -msse2 -msse3 -mssse3 -msse4.1 -msse4.2 -msse4 -mavx @gol
-maes -mpclmul -mfsgsbase -mrdrnd -mf16c -mfused-madd @gol
-maes -mpclmul -mfsgsbase -mrdrnd -mf16c -mfma @gol
-msse4a -m3dnow -mpopcnt -mabm -mbmi -mtbm -mfma4 -mxop -mlwp @gol
-mthreads -mno-align-stringops -minline-all-stringops @gol
-minline-stringops-dynamically -mstringop-strategy=@var{alg} @gol
@ -12587,6 +12587,8 @@ preferred alignment to @option{-mpreferred-stack-boundary=2}.
@itemx -mno-rdrnd
@itemx -mf16c
@itemx -mno-f16c
@itemx -mfma
@itemx -mno-fma
@itemx -msse4a
@itemx -mno-sse4a
@itemx -mfma4
@ -12612,9 +12614,9 @@ preferred alignment to @option{-mpreferred-stack-boundary=2}.
@opindex mno-sse
@opindex m3dnow
@opindex mno-3dnow
These switches enable or disable the use of instructions in the MMX,
SSE, SSE2, SSE3, SSSE3, SSE4.1, AVX, AES, PCLMUL, FSGSBASE, RDRND,
F16C, SSE4A, FMA4, XOP, LWP, ABM, BMI, or 3DNow!@: extended instruction sets.
These switches enable or disable the use of instructions in the MMX, SSE,
SSE2, SSE3, SSSE3, SSE4.1, AVX, AES, PCLMUL, FSGSBASE, RDRND, F16C, FMA,
SSE4A, FMA4, XOP, LWP, ABM, BMI, or 3DNow!@: extended instruction sets.
These extensions are also available as built-in functions: see
@ref{X86 Built-in Functions}, for details of the functions enabled and
disabled by these switches.
@ -12633,13 +12635,6 @@ supported architecture, using the appropriate flags. In particular,
the file containing the CPU detection code should be compiled without
these options.
@item -mfused-madd
@itemx -mno-fused-madd
@opindex mfused-madd
@opindex mno-fused-madd
Do (don't) generate code that uses the fused multiply/add or multiply/subtract
instructions. The default is to use these instructions.
@item -mcld
@opindex mcld
This option instructs GCC to emit a @code{cld} instruction in the prologue