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GLdispatch: Don't save r12 in the PPC64LE TSD stubs.

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We don't need to save and restore r12 across the call to _glapi_get_current.
It's only used for function linkage, and the dispatch stub overwrites the value
a few instructions later anyway.
This commit is contained in:
Kyle Brenneman 2018-11-01 11:41:35 -07:00
parent 884c5075d8
commit c501991842
1 changed files with 2 additions and 4 deletions
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6
src/GLdispatch/vnd-glapi/entry_ppc64le_tsd.c
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@ -64,7 +64,7 @@ __asm__(".balign " U_STRINGIFY(GLDISPATCH_PAGE_SIZE) "\n"
" bne 1000f\n" \
" mflr 0\n" \
" std 0, 16(1)\n" \
" stdu 1, -144(1)\n" \
" stdu 1, -120(1)\n" \
" std 3, 56(1)\n" \
" std 4, 64(1)\n" \
" std 5, 72(1)\n" \
@ -73,7 +73,6 @@ __asm__(".balign " U_STRINGIFY(GLDISPATCH_PAGE_SIZE) "\n"
" std 8, 96(1)\n" \
" std 9, 104(1)\n" \
" std 10, 112(1)\n" \
" std 12, 128(1)\n" \
" bl _glapi_get_current\n" \
" nop\n" \
" mr 11, 3\n" \
@ -85,8 +84,7 @@ __asm__(".balign " U_STRINGIFY(GLDISPATCH_PAGE_SIZE) "\n"
" ld 8, 96(1)\n" \
" ld 9, 104(1)\n" \
" ld 10, 112(1)\n" \
" ld 12, 128(1)\n" \
" addi 1, 1, 144\n" \
" addi 1, 1, 120\n" \
" ld 0, 16(1)\n" \
" mtlr 0\n" \
"1000:\n" \