diff options
Diffstat (limited to 'toolchain/gcc/patches/5.4.0/931-fix-MIPS-softfloat-build-issue.patch')
| -rw-r--r-- | toolchain/gcc/patches/5.4.0/931-fix-MIPS-softfloat-build-issue.patch | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/toolchain/gcc/patches/5.4.0/931-fix-MIPS-softfloat-build-issue.patch b/toolchain/gcc/patches/5.4.0/931-fix-MIPS-softfloat-build-issue.patch new file mode 100644 index 0000000..c8461a9 --- /dev/null +++ b/toolchain/gcc/patches/5.4.0/931-fix-MIPS-softfloat-build-issue.patch @@ -0,0 +1,174 @@ +From 2b46f9187b6f994fc450628a7cd97fc703dd23e0 Mon Sep 17 00:00:00 2001 +From: BangLang Huang <banglang.huang@foxmail.com> +Date: Wed, 9 Nov 2016 10:36:49 +0800 +Subject: [PATCH] fix MIPS softfloat build issue + + This patch is backport from github/libffi #272 + +Signed-off-by: BangLang Huang <banglang.huang@foxmail.com> +--- + libffi/src/mips/n32.S | 17 +++++++++++++++++ + libffi/src/mips/o32.S | 17 +++++++++++++++++ + 2 files changed, 34 insertions(+) + +diff --git a/libffi/src/mips/n32.S b/libffi/src/mips/n32.S +index c6985d3..8f25994 100644 +--- a/libffi/src/mips/n32.S ++++ b/libffi/src/mips/n32.S +@@ -107,6 +107,16 @@ loadregs: + + REG_L t6, 3*FFI_SIZEOF_ARG($fp) # load the flags word into t6. + ++#ifdef __mips_soft_float ++ REG_L a0, 0*FFI_SIZEOF_ARG(t9) ++ REG_L a1, 1*FFI_SIZEOF_ARG(t9) ++ REG_L a2, 2*FFI_SIZEOF_ARG(t9) ++ REG_L a3, 3*FFI_SIZEOF_ARG(t9) ++ REG_L a4, 4*FFI_SIZEOF_ARG(t9) ++ REG_L a5, 5*FFI_SIZEOF_ARG(t9) ++ REG_L a6, 6*FFI_SIZEOF_ARG(t9) ++ REG_L a7, 7*FFI_SIZEOF_ARG(t9) ++#else + and t4, t6, ((1<<FFI_FLAG_BITS)-1) + REG_L a0, 0*FFI_SIZEOF_ARG(t9) + beqz t4, arg1_next +@@ -193,6 +203,7 @@ arg7_next: + arg8_doublep: + l.d $f19, 7*FFI_SIZEOF_ARG(t9) + arg8_next: ++#endif + + callit: + # Load the function pointer +@@ -214,6 +225,7 @@ retint: + b epilogue + + retfloat: ++#ifndef __mips_soft_float + bne t6, FFI_TYPE_FLOAT, retdouble + jal t9 + REG_L t4, 4*FFI_SIZEOF_ARG($fp) +@@ -272,6 +284,7 @@ retstruct_f_d: + s.s $f0, 0(t4) + s.d $f2, 8(t4) + b epilogue ++#endif + + retstruct_d_soft: + bne t6, FFI_TYPE_STRUCT_D_SOFT, retstruct_f_soft +@@ -429,6 +442,7 @@ ffi_closure_N32: + REG_S a6, A6_OFF2($sp) + REG_S a7, A7_OFF2($sp) + ++#ifndef __mips_soft_float + # Store all possible float/double registers. + s.d $f12, F12_OFF2($sp) + s.d $f13, F13_OFF2($sp) +@@ -438,6 +452,7 @@ ffi_closure_N32: + s.d $f17, F17_OFF2($sp) + s.d $f18, F18_OFF2($sp) + s.d $f19, F19_OFF2($sp) ++#endif + + # Call ffi_closure_mips_inner_N32 to do the real work. + LA t9, ffi_closure_mips_inner_N32 +@@ -458,6 +473,7 @@ cls_retint: + b cls_epilogue + + cls_retfloat: ++#ifndef __mips_soft_float + bne v0, FFI_TYPE_FLOAT, cls_retdouble + l.s $f0, V0_OFF2($sp) + b cls_epilogue +@@ -500,6 +516,7 @@ cls_retstruct_f_d: + l.s $f0, V0_OFF2($sp) + l.d $f2, V1_OFF2($sp) + b cls_epilogue ++#endif + + cls_retstruct_small2: + REG_L v0, V0_OFF2($sp) +diff --git a/libffi/src/mips/o32.S b/libffi/src/mips/o32.S +index eb27981..1aff4b1 100644 +--- a/libffi/src/mips/o32.S ++++ b/libffi/src/mips/o32.S +@@ -82,13 +82,16 @@ sixteen: + + ADDU $sp, 4 * FFI_SIZEOF_ARG # adjust $sp to new args + ++#ifndef __mips_soft_float + bnez t0, pass_d # make it quick for int ++#endif + REG_L a0, 0*FFI_SIZEOF_ARG($sp) # just go ahead and load the + REG_L a1, 1*FFI_SIZEOF_ARG($sp) # four regs. + REG_L a2, 2*FFI_SIZEOF_ARG($sp) + REG_L a3, 3*FFI_SIZEOF_ARG($sp) + b call_it + ++#ifndef __mips_soft_float + pass_d: + bne t0, FFI_ARGS_D, pass_f + l.d $f12, 0*FFI_SIZEOF_ARG($sp) # load $fp regs from args +@@ -130,6 +133,7 @@ pass_f_d: + # bne t0, FFI_ARGS_F_D, call_it + l.s $f12, 0*FFI_SIZEOF_ARG($sp) # load $fp regs from args + l.d $f14, 2*FFI_SIZEOF_ARG($sp) # passing double and float ++#endif + + call_it: + # Load the function pointer +@@ -158,14 +162,23 @@ retfloat: + bne t2, FFI_TYPE_FLOAT, retdouble + jalr t9 + REG_L t0, SIZEOF_FRAME + 4*FFI_SIZEOF_ARG($fp) ++#ifndef __mips_soft_float + s.s $f0, 0(t0) ++#else ++ REG_S v0, 0(t0) ++#endif + b epilogue + + retdouble: + bne t2, FFI_TYPE_DOUBLE, noretval + jalr t9 + REG_L t0, SIZEOF_FRAME + 4*FFI_SIZEOF_ARG($fp) ++#ifndef __mips_soft_float + s.d $f0, 0(t0) ++#else ++ REG_S v1, 4(t0) ++ REG_S v0, 0(t0) ++#endif + b epilogue + + noretval: +@@ -261,9 +274,11 @@ $LCFI7: + li $13, 1 # FFI_O32 + bne $16, $13, 1f # Skip fp save if FFI_O32_SOFT_FLOAT + ++#ifndef __mips_soft_float + # Store all possible float/double registers. + s.d $f12, FA_0_0_OFF2($fp) + s.d $f14, FA_1_0_OFF2($fp) ++#endif + 1: + # Call ffi_closure_mips_inner_O32 to do the work. + la t9, ffi_closure_mips_inner_O32 +@@ -281,6 +296,7 @@ $LCFI7: + li $13, 1 # FFI_O32 + bne $16, $13, 1f # Skip fp restore if FFI_O32_SOFT_FLOAT + ++#ifndef __mips_soft_float + li $9, FFI_TYPE_FLOAT + l.s $f0, V0_OFF2($fp) + beq $8, $9, closure_done +@@ -288,6 +304,7 @@ $LCFI7: + li $9, FFI_TYPE_DOUBLE + l.d $f0, V0_OFF2($fp) + beq $8, $9, closure_done ++#endif + 1: + REG_L $3, V1_OFF2($fp) + REG_L $2, V0_OFF2($fp) +-- +2.7.4 + |