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gcc: fix build on riscv64

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Signed-off-by: Arne Fitzenreiter <arne_f@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
This commit is contained in:
Arne Fitzenreiter
2023-08-09 19:58:04 +02:00
committed by Michael Tremer
parent 763301c000
commit a04ae8c43b
2 changed files with 17 additions and 0 deletions
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2
lfs/gcc
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@@ -212,6 +212,8 @@ $(subst %,%_BLAKE2,$(objects)) :
$(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
@$(PREBUILD)
@rm -rf $(DIR_APP) $(DIR_SRC)/gcc-build && cd $(DIR_SRC) && tar axf $(DIR_DL)/$(DL_FILE)
cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/gcc/gcc-13.1.0-riscv_use_log2_from_cheader_without_namespace.patch
@mkdir $(DIR_SRC)/gcc-build
cd $(DIR_APP) && sed -i 's/install_to_$$(INSTALL_DEST) //' libiberty/Makefile.in

15
src/patches/gcc/gcc-13.1.0-riscv_use_log2_from_cheader_without_namespace.patch Normal file
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@@ -0,0 +1,15 @@
diff -Naur gcc-13.1.0.org/gcc/config/riscv/genrvv-type-indexer.cc gcc-13.1.0/gcc/config/riscv/genrvv-type-indexer.cc
--- gcc-13.1.0.org/gcc/config/riscv/genrvv-type-indexer.cc 2023-04-26 09:09:39.000000000 +0200
+++ gcc-13.1.0/gcc/config/riscv/genrvv-type-indexer.cc 2023-08-02 11:28:53.615913583 +0200
@@ -115,9 +115,9 @@
if (sew == eew)
elmul_log2 = lmul_log2;
else if (sew > eew)
- elmul_log2 = lmul_log2 - std::log2 (sew / eew);
+ elmul_log2 = lmul_log2 - log2 (sew / eew);
else /* sew < eew */
- elmul_log2 = lmul_log2 + std::log2 (eew / sew);
+ elmul_log2 = lmul_log2 + log2 (eew / sew);
if (float_p)
return floattype (eew, elmul_log2);