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* compiler/mips/cpuinfo.pas: removed "FPU_" prefixes from FPU names, not necessary because compiler inserts one itself.

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* rtl/embedded/system.pp: removed (commented out) FPU initialization from initialization of system unit, was dead code anyway because FPC_HAS_FEATURE_FPU is never defined and "feature FPU" does not exist.
* rtl/mips/*.inc: don't compile FPU instructions if compiling RTL with -CfNONE or -CfSOFT (however, handling these switches for MIPS targets in compiler needs further fixing).

git-svn-id: trunk@28670 -
This commit is contained in:
sergei 2014-09-15 18:24:23 +00:00
parent e5c104ca96
commit f85a8159ef
5 changed files with 14 additions and 6 deletions
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2
compiler/mips/cpuinfo.pas
View File

@ -87,7 +87,7 @@ Const
fputypestr : array[tfputype] of string[9] = ('',
'SOFT',
'FPU_MIPS2','FPU_MIPS3'
'MIPS2','MIPS3'
);
{ abi strings as accepted by

7
rtl/embedded/system.pp
View File

@ -211,13 +211,12 @@ var
{$endif FPC_HAS_FEATURE_STACKCHECK}
begin
{$ifdef FPC_HAS_FEATURE_FPU}
{ Beware: The same code is executed from fpc_cpuinit, which is included
per-cpu unconditionally }
{ FPU (hard or soft) is initialized from fpc_cpuinit, which is included
per-cpu unconditionally.
SysResetFPU;
if not(IsLibrary) then
SysInitFPU;
{$endif FPC_HAS_FEATURE_FPU}
}
{$ifdef FPC_HAS_FEATURE_CONSOLEIO}
IsConsole := TRUE;

4
rtl/mips/mips.inc
View File

@ -55,6 +55,7 @@ const
fpu_all_bits = fpu_enable_mask or fpu_flags_mask or fpu_cause_mask or fpu_rounding_mask;
{$if defined(FPUMIPS2) or defined(FPUMIPS3)}
{$define FPC_SYSTEM_HAS_SYSINITFPU}
procedure SysInitFPU;
begin
@ -66,13 +67,16 @@ procedure SysInitFPU;
procedure SysResetFPU;
begin
end;
{$endif FPUMIPS2 or FPUMIPS3}
procedure fpc_cpuinit;
begin
{$ifndef FPUNONE}
SysResetFPU;
if (not IsLibrary) then
SysInitFPU;
{$endif FPUNONE}
end;

5
rtl/mips/setjump.inc
View File

@ -27,6 +27,7 @@ procedure fpc_longjmp(var s : jmp_buf;value:longint);assembler;nostackframe;[Pub
lw $s7,jmp_buf.s7($a0)
lw $fp,jmp_buf.fp($a0)
lw $gp,jmp_buf.gp($a0)
{$if defined(FPUMIPS2) or defined(FPUMIPS3)}
lw $v0,jmp_buf._fcsr($a0)
ctc1 $v0,$31
lwc1 $f20,jmp_buf.f20($a0)
@ -41,7 +42,7 @@ procedure fpc_longjmp(var s : jmp_buf;value:longint);assembler;nostackframe;[Pub
lwc1 $f29,jmp_buf.f29($a0)
lwc1 $f30,jmp_buf.f30($a0)
lwc1 $f31,jmp_buf.f31($a0)
{$endif FPUMIPS2 or FPUMIPS3}
// Put value into register $2 as in setjmp
move $v0,$a1
bne $a1,$zero,.L1
@ -65,6 +66,7 @@ function fpc_setjmp(var S:jmp_buf):longint;assembler;nostackframe;[Public,alias:
sw $s7,jmp_buf.s7($a0)
sw $fp,jmp_buf.fp($a0)
sw $gp,jmp_buf.gp($a0)
{$if defined(FPUMIPS2) or defined(FPUMIPS3)}
cfc1 $v0,$31
sw $v0,jmp_buf._fcsr($a0)
swc1 $f20,jmp_buf.f20($a0)
@ -79,5 +81,6 @@ function fpc_setjmp(var S:jmp_buf):longint;assembler;nostackframe;[Public,alias:
swc1 $f29,jmp_buf.f29($a0)
swc1 $f30,jmp_buf.f30($a0)
swc1 $f31,jmp_buf.f31($a0)
{$endif FPUMIPS2 or FPUMIPS3}
move $v0,$zero
end;

2
rtl/mips/setjumph.inc
View File

@ -17,7 +17,9 @@
type
jmp_buf=packed record
ra,sp,s0,s1,s2,s3,s4,s5,s6,s7,fp,gp: longint;
{$if defined(FPUMIPS2) or defined(FPUMIPS3)}
_fcsr,f20,f21,f22,f23,f24,f25,f26,f27,f28,f29,f30,f31: longint;
{$endif FPUMIPS2 or FPUMIPS3}
end;
Pjmp_buf=^jmp_buf;