83 lines
2.1 KiB
Diff
83 lines
2.1 KiB
Diff
Taken from the Optware fork Optware-ng:
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alllexx88 libffi: mips: fix build for soft-float
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https://raw.githubusercontent.com/Optware/Optware-ng/master/sources/libffi/mips.softfloat.patch
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--- src/mips/o32.S.orig 2014-11-08 14:47:24.000000000 +0200
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+++ src/mips/o32.S 2015-04-16 12:03:11.302116104 +0300
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@@ -82,13 +82,16 @@
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ADDU $sp, 4 * FFI_SIZEOF_ARG # adjust $sp to new args
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+#ifndef __mips_soft_float
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bnez t0, pass_d # make it quick for int
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+#endif
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REG_L a0, 0*FFI_SIZEOF_ARG($sp) # just go ahead and load the
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REG_L a1, 1*FFI_SIZEOF_ARG($sp) # four regs.
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REG_L a2, 2*FFI_SIZEOF_ARG($sp)
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REG_L a3, 3*FFI_SIZEOF_ARG($sp)
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b call_it
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+#ifndef __mips_soft_float
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pass_d:
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bne t0, FFI_ARGS_D, pass_f
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l.d $f12, 0*FFI_SIZEOF_ARG($sp) # load $fp regs from args
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@@ -130,6 +133,7 @@
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# bne t0, FFI_ARGS_F_D, call_it
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l.s $f12, 0*FFI_SIZEOF_ARG($sp) # load $fp regs from args
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l.d $f14, 2*FFI_SIZEOF_ARG($sp) # passing double and float
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+#endif
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call_it:
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# Load the function pointer
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@@ -158,14 +162,23 @@
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bne t2, FFI_TYPE_FLOAT, retdouble
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jalr t9
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REG_L t0, SIZEOF_FRAME + 4*FFI_SIZEOF_ARG($fp)
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+#ifndef __mips_soft_float
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s.s $f0, 0(t0)
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+#else
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+ REG_S v0, 0(t0)
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+#endif
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b epilogue
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retdouble:
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bne t2, FFI_TYPE_DOUBLE, noretval
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jalr t9
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REG_L t0, SIZEOF_FRAME + 4*FFI_SIZEOF_ARG($fp)
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+#ifndef __mips_soft_float
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s.d $f0, 0(t0)
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+#else
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+ REG_S v1, 4(t0)
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+ REG_S v0, 0(t0)
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+#endif
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b epilogue
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noretval:
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@@ -261,9 +274,11 @@
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li $13, 1 # FFI_O32
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bne $16, $13, 1f # Skip fp save if FFI_O32_SOFT_FLOAT
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+#ifndef __mips_soft_float
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# Store all possible float/double registers.
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s.d $f12, FA_0_0_OFF2($fp)
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s.d $f14, FA_1_0_OFF2($fp)
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+#endif
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1:
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# Call ffi_closure_mips_inner_O32 to do the work.
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la t9, ffi_closure_mips_inner_O32
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@@ -281,6 +296,7 @@
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li $13, 1 # FFI_O32
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bne $16, $13, 1f # Skip fp restore if FFI_O32_SOFT_FLOAT
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+#ifndef __mips_soft_float
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li $9, FFI_TYPE_FLOAT
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l.s $f0, V0_OFF2($fp)
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beq $8, $9, closure_done
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@@ -288,6 +304,7 @@
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li $9, FFI_TYPE_DOUBLE
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l.d $f0, V0_OFF2($fp)
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beq $8, $9, closure_done
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+#endif
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1:
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REG_L $3, V1_OFF2($fp)
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REG_L $2, V0_OFF2($fp)
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