gcc: add a patch to generate better code with Os on mips
Also happens to reduce compressed code size a bit Signed-off-by: Felix Fietkau <nbd@nbd.name>
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2 changed files with 25 additions and 0 deletions
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Use the proper rtx cost model for the selected CPU, even when optimizing
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for size. This generates better code.
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--- a/gcc/config/mips/mips.c
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+++ b/gcc/config/mips/mips.c
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@@ -17483,7 +17483,7 @@ mips_option_override (void)
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flag_pcc_struct_return = 0;
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/* Decide which rtx_costs structure to use. */
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- if (optimize_size)
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+ if (0 && optimize_size)
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mips_cost = &mips_rtx_cost_optimize_size;
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else
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mips_cost = &mips_rtx_cost_data[mips_tune];
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--- a/gcc/config/mips/mips.c
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+++ b/gcc/config/mips/mips.c
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@@ -17928,7 +17928,7 @@ mips_option_override (void)
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flag_pcc_struct_return = 0;
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/* Decide which rtx_costs structure to use. */
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- if (optimize_size)
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+ if (0 && optimize_size)
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mips_cost = &mips_rtx_cost_optimize_size;
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else
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mips_cost = &mips_rtx_cost_data[mips_tune];
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